/*  Prototype JavaScript framework, version 1.7
 *  (c) 2005-2010 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {

  Version: '1.7',

  Browser: (function(){
    var ua = navigator.userAgent;
    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
    return {
      IE:             !!window.attachEvent && !isOpera,
      Opera:          isOpera,
      WebKit:         ua.indexOf('AppleWebKit/') > -1,
      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
      MobileSafari:   /Apple.*Mobile/.test(ua)
    }
  })(),

  BrowserFeatures: {
    XPath: !!document.evaluate,

    SelectorsAPI: !!document.querySelector,

    ElementExtensions: (function() {
      var constructor = window.Element || window.HTMLElement;
      return !!(constructor && constructor.prototype);
    })(),
    SpecificElementExtensions: (function() {
      if (typeof window.HTMLDivElement !== 'undefined')
        return true;

      var div = document.createElement('div'),
          form = document.createElement('form'),
          isSupported = false;

      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
        isSupported = true;
      }

      div = form = null;

      return isSupported;
    })()
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },

  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


var Abstract = { };


var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

/* Based on Alex Arnell's inheritance implementation. */

var Class = (function() {

  var IS_DONTENUM_BUGGY = (function(){
    for (var p in { toString: 1 }) {
      if (p === 'toString') return false;
    }
    return true;
  })();

  function subclass() {};
  function create() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0, length = properties.length; i < length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;
    return klass;
  }

  function addMethods(source) {
    var ancestor   = this.superclass && this.superclass.prototype,
        properties = Object.keys(source);

    if (IS_DONTENUM_BUGGY) {
      if (source.toString != Object.prototype.toString)
        properties.push("toString");
      if (source.valueOf != Object.prototype.valueOf)
        properties.push("valueOf");
    }

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames()[0] == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments); };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }

  return {
    create: create,
    Methods: {
      addMethods: addMethods
    }
  };
})();
(function() {

  var _toString = Object.prototype.toString,
      NULL_TYPE = 'Null',
      UNDEFINED_TYPE = 'Undefined',
      BOOLEAN_TYPE = 'Boolean',
      NUMBER_TYPE = 'Number',
      STRING_TYPE = 'String',
      OBJECT_TYPE = 'Object',
      FUNCTION_CLASS = '[object Function]',
      BOOLEAN_CLASS = '[object Boolean]',
      NUMBER_CLASS = '[object Number]',
      STRING_CLASS = '[object String]',
      ARRAY_CLASS = '[object Array]',
      DATE_CLASS = '[object Date]',
      NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
        typeof JSON.stringify === 'function' &&
        JSON.stringify(0) === '0' &&
        typeof JSON.stringify(Prototype.K) === 'undefined';

  function Type(o) {
    switch(o) {
      case null: return NULL_TYPE;
      case (void 0): return UNDEFINED_TYPE;
    }
    var type = typeof o;
    switch(type) {
      case 'boolean': return BOOLEAN_TYPE;
      case 'number':  return NUMBER_TYPE;
      case 'string':  return STRING_TYPE;
    }
    return OBJECT_TYPE;
  }

  function extend(destination, source) {
    for (var property in source)
      destination[property] = source[property];
    return destination;
  }

  function inspect(object) {
    try {
      if (isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  }

  function toJSON(value) {
    return Str('', { '': value }, []);
  }

  function Str(key, holder, stack) {
    var value = holder[key],
        type = typeof value;

    if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
      value = value.toJSON(key);
    }

    var _class = _toString.call(value);

    switch (_class) {
      case NUMBER_CLASS:
      case BOOLEAN_CLASS:
      case STRING_CLASS:
        value = value.valueOf();
    }

    switch (value) {
      case null: return 'null';
      case true: return 'true';
      case false: return 'false';
    }

    type = typeof value;
    switch (type) {
      case 'string':
        return value.inspect(true);
      case 'number':
        return isFinite(value) ? String(value) : 'null';
      case 'object':

        for (var i = 0, length = stack.length; i < length; i++) {
          if (stack[i] === value) { throw new TypeError(); }
        }
        stack.push(value);

        var partial = [];
        if (_class === ARRAY_CLASS) {
          for (var i = 0, length = value.length; i < length; i++) {
            var str = Str(i, value, stack);
            partial.push(typeof str === 'undefined' ? 'null' : str);
          }
          partial = '[' + partial.join(',') + ']';
        } else {
          var keys = Object.keys(value);
          for (var i = 0, length = keys.length; i < length; i++) {
            var key = keys[i], str = Str(key, value, stack);
            if (typeof str !== "undefined") {
               partial.push(key.inspect(true)+ ':' + str);
             }
          }
          partial = '{' + partial.join(',') + '}';
        }
        stack.pop();
        return partial;
    }
  }

  function stringify(object) {
    return JSON.stringify(object);
  }

  function toQueryString(object) {
    return $H(object).toQueryString();
  }

  function toHTML(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  }

  function keys(object) {
    if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
    var results = [];
    for (var property in object) {
      if (object.hasOwnProperty(property)) {
        results.push(property);
      }
    }
    return results;
  }

  function values(object) {
    var results = [];
    for (var property in object)
      results.push(object[property]);
    return results;
  }

  function clone(object) {
    return extend({ }, object);
  }

  function isElement(object) {
    return !!(object && object.nodeType == 1);
  }

  function isArray(object) {
    return _toString.call(object) === ARRAY_CLASS;
  }

  var hasNativeIsArray = (typeof Array.isArray == 'function')
    && Array.isArray([]) && !Array.isArray({});

  if (hasNativeIsArray) {
    isArray = Array.isArray;
  }

  function isHash(object) {
    return object instanceof Hash;
  }

  function isFunction(object) {
    return _toString.call(object) === FUNCTION_CLASS;
  }

  function isString(object) {
    return _toString.call(object) === STRING_CLASS;
  }

  function isNumber(object) {
    return _toString.call(object) === NUMBER_CLASS;
  }

  function isDate(object) {
    return _toString.call(object) === DATE_CLASS;
  }

  function isUndefined(object) {
    return typeof object === "undefined";
  }

  extend(Object, {
    extend:        extend,
    inspect:       inspect,
    toJSON:        NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
    toQueryString: toQueryString,
    toHTML:        toHTML,
    keys:          Object.keys || keys,
    values:        values,
    clone:         clone,
    isElement:     isElement,
    isArray:       isArray,
    isHash:        isHash,
    isFunction:    isFunction,
    isString:      isString,
    isNumber:      isNumber,
    isDate:        isDate,
    isUndefined:   isUndefined
  });
})();
Object.extend(Function.prototype, (function() {
  var slice = Array.prototype.slice;

  function update(array, args) {
    var arrayLength = array.length, length = args.length;
    while (length--) array[arrayLength + length] = args[length];
    return array;
  }

  function merge(array, args) {
    array = slice.call(array, 0);
    return update(array, args);
  }

  function argumentNames() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  }

  function bind(context) {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = slice.call(arguments, 1);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(context, a);
    }
  }

  function bindAsEventListener(context) {
    var __method = this, args = slice.call(arguments, 1);
    return function(event) {
      var a = update([event || window.event], args);
      return __method.apply(context, a);
    }
  }

  function curry() {
    if (!arguments.length) return this;
    var __method = this, args = slice.call(arguments, 0);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(this, a);
    }
  }

  function delay(timeout) {
    var __method = this, args = slice.call(arguments, 1);
    timeout = timeout * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  }

  function defer() {
    var args = update([0.01], arguments);
    return this.delay.apply(this, args);
  }

  function wrap(wrapper) {
    var __method = this;
    return function() {
      var a = update([__method.bind(this)], arguments);
      return wrapper.apply(this, a);
    }
  }

  function methodize() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      var a = update([this], arguments);
      return __method.apply(null, a);
    };
  }

  return {
    argumentNames:       argumentNames,
    bind:                bind,
    bindAsEventListener: bindAsEventListener,
    curry:               curry,
    delay:               delay,
    defer:               defer,
    wrap:                wrap,
    methodize:           methodize
  }
})());



(function(proto) {


  function toISOString() {
    return this.getUTCFullYear() + '-' +
      (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
      this.getUTCDate().toPaddedString(2) + 'T' +
      this.getUTCHours().toPaddedString(2) + ':' +
      this.getUTCMinutes().toPaddedString(2) + ':' +
      this.getUTCSeconds().toPaddedString(2) + 'Z';
  }


  function toJSON() {
    return this.toISOString();
  }

  if (!proto.toISOString) proto.toISOString = toISOString;
  if (!proto.toJSON) proto.toJSON = toJSON;

})(Date.prototype);


RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
        this.currentlyExecuting = false;
      } catch(e) {
        this.currentlyExecuting = false;
        throw e;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, (function() {
  var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
    typeof JSON.parse === 'function' &&
    JSON.parse('{"test": true}').test;

  function prepareReplacement(replacement) {
    if (Object.isFunction(replacement)) return replacement;
    var template = new Template(replacement);
    return function(match) { return template.evaluate(match) };
  }

  function gsub(pattern, replacement) {
    var result = '', source = this, match;
    replacement = prepareReplacement(replacement);

    if (Object.isString(pattern))
      pattern = RegExp.escape(pattern);

    if (!(pattern.length || pattern.source)) {
      replacement = replacement('');
      return replacement + source.split('').join(replacement) + replacement;
    }

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  }

  function sub(pattern, replacement, count) {
    replacement = prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  }

  function scan(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  }

  function truncate(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  }

  function strip() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  }

  function stripTags() {
    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
  }

  function stripScripts() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  }

  function extractScripts() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
        matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  }

  function evalScripts() {
    return this.extractScripts().map(function(script) { return eval(script) });
  }

  function escapeHTML() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  }

  function unescapeHTML() {
    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
  }


  function toQueryParams(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift()),
            value = pair.length > 1 ? pair.join('=') : pair[0];

        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  }

  function toArray() {
    return this.split('');
  }

  function succ() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  }

  function times(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  }

  function camelize() {
    return this.replace(/-+(.)?/g, function(match, chr) {
      return chr ? chr.toUpperCase() : '';
    });
  }

  function capitalize() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  }

  function underscore() {
    return this.replace(/::/g, '/')
               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
               .replace(/-/g, '_')
               .toLowerCase();
  }

  function dasherize() {
    return this.replace(/_/g, '-');
  }

  function inspect(useDoubleQuotes) {
    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
      if (character in String.specialChar) {
        return String.specialChar[character];
      }
      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  }

  function unfilterJSON(filter) {
    return this.replace(filter || Prototype.JSONFilter, '$1');
  }

  function isJSON() {
    var str = this;
    if (str.blank()) return false;
    str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
    str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
    str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
    return (/^[\],:{}\s]*$/).test(str);
  }

  function evalJSON(sanitize) {
    var json = this.unfilterJSON(),
        cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
    if (cx.test(json)) {
      json = json.replace(cx, function (a) {
        return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
      });
    }
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  }

  function parseJSON() {
    var json = this.unfilterJSON();
    return JSON.parse(json);
  }

  function include(pattern) {
    return this.indexOf(pattern) > -1;
  }

  function startsWith(pattern) {
    return this.lastIndexOf(pattern, 0) === 0;
  }

  function endsWith(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.indexOf(pattern, d) === d;
  }

  function empty() {
    return this == '';
  }

  function blank() {
    return /^\s*$/.test(this);
  }

  function interpolate(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }

  return {
    gsub:           gsub,
    sub:            sub,
    scan:           scan,
    truncate:       truncate,
    strip:          String.prototype.trim || strip,
    stripTags:      stripTags,
    stripScripts:   stripScripts,
    extractScripts: extractScripts,
    evalScripts:    evalScripts,
    escapeHTML:     escapeHTML,
    unescapeHTML:   unescapeHTML,
    toQueryParams:  toQueryParams,
    parseQuery:     toQueryParams,
    toArray:        toArray,
    succ:           succ,
    times:          times,
    camelize:       camelize,
    capitalize:     capitalize,
    underscore:     underscore,
    dasherize:      dasherize,
    inspect:        inspect,
    unfilterJSON:   unfilterJSON,
    isJSON:         isJSON,
    evalJSON:       NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
    include:        include,
    startsWith:     startsWith,
    endsWith:       endsWith,
    empty:          empty,
    blank:          blank,
    interpolate:    interpolate
  };
})());

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (object && Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return (match[1] + '');

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3],
          pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;

      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = (function() {
  function each(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  }

  function eachSlice(number, iterator, context) {
    var index = -number, slices = [], array = this.toArray();
    if (number < 1) return array;
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  }

  function all(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);
      if (!result) throw $break;
    });
    return result;
  }

  function any(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator.call(context, value, index))
        throw $break;
    });
    return result;
  }

  function collect(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function detect(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  }

  function findAll(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function grep(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(RegExp.escape(filter));

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function include(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  }

  function inGroupsOf(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  }

  function inject(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  }

  function invoke(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  }

  function max(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  }

  function min(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  }

  function partition(iterator, context) {
    iterator = iterator || Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator.call(context, value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  }

  function pluck(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  }

  function reject(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function sortBy(iterator, context) {
    return this.map(function(value, index) {
      return {
        value: value,
        criteria: iterator.call(context, value, index)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  }

  function toArray() {
    return this.map();
  }

  function zip() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  }

  function size() {
    return this.toArray().length;
  }

  function inspect() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }









  return {
    each:       each,
    eachSlice:  eachSlice,
    all:        all,
    every:      all,
    any:        any,
    some:       any,
    collect:    collect,
    map:        collect,
    detect:     detect,
    findAll:    findAll,
    select:     findAll,
    filter:     findAll,
    grep:       grep,
    include:    include,
    member:     include,
    inGroupsOf: inGroupsOf,
    inject:     inject,
    invoke:     invoke,
    max:        max,
    min:        min,
    partition:  partition,
    pluck:      pluck,
    reject:     reject,
    sortBy:     sortBy,
    toArray:    toArray,
    entries:    toArray,
    zip:        zip,
    size:       size,
    inspect:    inspect,
    find:       detect
  };
})();

function $A(iterable) {
  if (!iterable) return [];
  if ('toArray' in Object(iterable)) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}


function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

Array.from = $A;


(function() {
  var arrayProto = Array.prototype,
      slice = arrayProto.slice,
      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available

  function each(iterator, context) {
    for (var i = 0, length = this.length >>> 0; i < length; i++) {
      if (i in this) iterator.call(context, this[i], i, this);
    }
  }
  if (!_each) _each = each;

  function clear() {
    this.length = 0;
    return this;
  }

  function first() {
    return this[0];
  }

  function last() {
    return this[this.length - 1];
  }

  function compact() {
    return this.select(function(value) {
      return value != null;
    });
  }

  function flatten() {
    return this.inject([], function(array, value) {
      if (Object.isArray(value))
        return array.concat(value.flatten());
      array.push(value);
      return array;
    });
  }

  function without() {
    var values = slice.call(arguments, 0);
    return this.select(function(value) {
      return !values.include(value);
    });
  }

  function reverse(inline) {
    return (inline === false ? this.toArray() : this)._reverse();
  }

  function uniq(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  }

  function intersect(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  }


  function clone() {
    return slice.call(this, 0);
  }

  function size() {
    return this.length;
  }

  function inspect() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  }

  function indexOf(item, i) {
    i || (i = 0);
    var length = this.length;
    if (i < 0) i = length + i;
    for (; i < length; i++)
      if (this[i] === item) return i;
    return -1;
  }

  function lastIndexOf(item, i) {
    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
    var n = this.slice(0, i).reverse().indexOf(item);
    return (n < 0) ? n : i - n - 1;
  }

  function concat() {
    var array = slice.call(this, 0), item;
    for (var i = 0, length = arguments.length; i < length; i++) {
      item = arguments[i];
      if (Object.isArray(item) && !('callee' in item)) {
        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
          array.push(item[j]);
      } else {
        array.push(item);
      }
    }
    return array;
  }

  Object.extend(arrayProto, Enumerable);

  if (!arrayProto._reverse)
    arrayProto._reverse = arrayProto.reverse;

  Object.extend(arrayProto, {
    _each:     _each,
    clear:     clear,
    first:     first,
    last:      last,
    compact:   compact,
    flatten:   flatten,
    without:   without,
    reverse:   reverse,
    uniq:      uniq,
    intersect: intersect,
    clone:     clone,
    toArray:   clone,
    size:      size,
    inspect:   inspect
  });

  var CONCAT_ARGUMENTS_BUGGY = (function() {
    return [].concat(arguments)[0][0] !== 1;
  })(1,2)

  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;

  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {
  function initialize(object) {
    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
  }


  function _each(iterator) {
    for (var key in this._object) {
      var value = this._object[key], pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  }

  function set(key, value) {
    return this._object[key] = value;
  }

  function get(key) {
    if (this._object[key] !== Object.prototype[key])
      return this._object[key];
  }

  function unset(key) {
    var value = this._object[key];
    delete this._object[key];
    return value;
  }

  function toObject() {
    return Object.clone(this._object);
  }



  function keys() {
    return this.pluck('key');
  }

  function values() {
    return this.pluck('value');
  }

  function index(value) {
    var match = this.detect(function(pair) {
      return pair.value === value;
    });
    return match && match.key;
  }

  function merge(object) {
    return this.clone().update(object);
  }

  function update(object) {
    return new Hash(object).inject(this, function(result, pair) {
      result.set(pair.key, pair.value);
      return result;
    });
  }

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  function toQueryString() {
    return this.inject([], function(results, pair) {
      var key = encodeURIComponent(pair.key), values = pair.value;

      if (values && typeof values == 'object') {
        if (Object.isArray(values)) {
          var queryValues = [];
          for (var i = 0, len = values.length, value; i < len; i++) {
            value = values[i];
            queryValues.push(toQueryPair(key, value));
          }
          return results.concat(queryValues);
        }
      } else results.push(toQueryPair(key, values));
      return results;
    }).join('&');
  }

  function inspect() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  }

  function clone() {
    return new Hash(this);
  }

  return {
    initialize:             initialize,
    _each:                  _each,
    set:                    set,
    get:                    get,
    unset:                  unset,
    toObject:               toObject,
    toTemplateReplacements: toObject,
    keys:                   keys,
    values:                 values,
    index:                  index,
    merge:                  merge,
    update:                 update,
    toQueryString:          toQueryString,
    inspect:                inspect,
    toJSON:                 toObject,
    clone:                  clone
  };
})());

Hash.from = $H;
Object.extend(Number.prototype, (function() {
  function toColorPart() {
    return this.toPaddedString(2, 16);
  }

  function succ() {
    return this + 1;
  }

  function times(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  }

  function toPaddedString(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  }

  function abs() {
    return Math.abs(this);
  }

  function round() {
    return Math.round(this);
  }

  function ceil() {
    return Math.ceil(this);
  }

  function floor() {
    return Math.floor(this);
  }

  return {
    toColorPart:    toColorPart,
    succ:           succ,
    times:          times,
    toPaddedString: toPaddedString,
    abs:            abs,
    round:          round,
    ceil:           ceil,
    floor:          floor
  };
})());

function $R(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var ObjectRange = Class.create(Enumerable, (function() {
  function initialize(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  }

  function _each(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  }

  function include(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }

  return {
    initialize: initialize,
    _each:      _each,
    include:    include
  };
})());



var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});
Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});
Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.isString(this.options.parameters) ?
          this.options.parameters :
          Object.toQueryString(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      params += (params ? '&' : '') + "_method=" + this.method;
      this.method = 'post';
    }

    if (params && this.method === 'get') {
      this.url += (this.url.include('?') ? '&' : '?') + params;
    }

    this.parameters = params.toQueryParams();

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300) || status == 304;
  },

  getStatus: function() {
    try {
      if (this.transport.status === 1223) return 204;
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null; }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];








Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if (readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,

  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});


function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}



(function(global) {
  function shouldUseCache(tagName, attributes) {
    if (tagName === 'select') return false;
    if ('type' in attributes) return false;
    return true;
  }

  var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
    try {
      var el = document.createElement('<input name="x">');
      return el.tagName.toLowerCase() === 'input' && el.name === 'x';
    }
    catch(err) {
      return false;
    }
  })();

  var element = global.Element;

  global.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;

    if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }

    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));

    var node = shouldUseCache(tagName, attributes) ?
     cache[tagName].cloneNode(false) : document.createElement(tagName);

    return Element.writeAttribute(node, attributes);
  };

  Object.extend(global.Element, element || { });
  if (element) global.Element.prototype = element.prototype;

})(this);

Element.idCounter = 1;
Element.cache = { };

Element._purgeElement = function(element) {
  var uid = element._prototypeUID;
  if (uid) {
    Element.stopObserving(element);
    element._prototypeUID = void 0;
    delete Element.Storage[uid];
  }
}

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);
    element.style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: (function(){

    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
      var el = document.createElement("select"),
          isBuggy = true;
      el.innerHTML = "<option value=\"test\">test</option>";
      if (el.options && el.options[0]) {
        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
      }
      el = null;
      return isBuggy;
    })();

    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
      try {
        var el = document.createElement("table");
        if (el && el.tBodies) {
          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
          var isBuggy = typeof el.tBodies[0] == "undefined";
          el = null;
          return isBuggy;
        }
      } catch (e) {
        return true;
      }
    })();

    var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
      try {
        var el = document.createElement('div');
        el.innerHTML = "<link>";
        var isBuggy = (el.childNodes.length === 0);
        el = null;
        return isBuggy;
      } catch(e) {
        return true;
      }
    })();

    var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
     TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;

    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
      var s = document.createElement("script"),
          isBuggy = false;
      try {
        s.appendChild(document.createTextNode(""));
        isBuggy = !s.firstChild ||
          s.firstChild && s.firstChild.nodeType !== 3;
      } catch (e) {
        isBuggy = true;
      }
      s = null;
      return isBuggy;
    })();


    function update(element, content) {
      element = $(element);
      var purgeElement = Element._purgeElement;

      var descendants = element.getElementsByTagName('*'),
       i = descendants.length;
      while (i--) purgeElement(descendants[i]);

      if (content && content.toElement)
        content = content.toElement();

      if (Object.isElement(content))
        return element.update().insert(content);

      content = Object.toHTML(content);

      var tagName = element.tagName.toUpperCase();

      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
        element.text = content;
        return element;
      }

      if (ANY_INNERHTML_BUGGY) {
        if (tagName in Element._insertionTranslations.tags) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
            .each(function(node) {
              element.appendChild(node)
            });
        } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true);
          nodes.each(function(node) { element.appendChild(node) });
        }
        else {
          element.innerHTML = content.stripScripts();
        }
      }
      else {
        element.innerHTML = content.stripScripts();
      }

      content.evalScripts.bind(content).defer();
      return element;
    }

    return update;
  })(),

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(),
          attribute = pair.last(),
          value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property, maximumLength) {
    element = $(element);
    maximumLength = maximumLength || -1;
    var elements = [];

    while (element = element[property]) {
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
      if (elements.length == maximumLength)
        break;
    }

    return elements;
  },

  ancestors: function(element) {
    return Element.recursivelyCollect(element, 'parentNode');
  },

  descendants: function(element) {
    return Element.select(element, "*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    var results = [], child = $(element).firstChild;
    while (child) {
      if (child.nodeType === 1) {
        results.push(Element.extend(child));
      }
      child = child.nextSibling;
    }
    return results;
  },

  previousSiblings: function(element, maximumLength) {
    return Element.recursivelyCollect(element, 'previousSibling');
  },

  nextSiblings: function(element) {
    return Element.recursivelyCollect(element, 'nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return Element.previousSiblings(element).reverse()
      .concat(Element.nextSiblings(element));
  },

  match: function(element, selector) {
    element = $(element);
    if (Object.isString(selector))
      return Prototype.Selector.match(element, selector);
    return selector.match(element);
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = Element.ancestors(element);
    return Object.isNumber(expression) ? ancestors[expression] :
      Prototype.Selector.find(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return Element.firstDescendant(element);
    return Object.isNumber(expression) ? Element.descendants(element)[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (Object.isNumber(expression)) index = expression, expression = false;
    if (!Object.isNumber(index)) index = 0;

    if (expression) {
      return Prototype.Selector.find(element.previousSiblings(), expression, index);
    } else {
      return element.recursivelyCollect("previousSibling", index + 1)[index];
    }
  },

  next: function(element, expression, index) {
    element = $(element);
    if (Object.isNumber(expression)) index = expression, expression = false;
    if (!Object.isNumber(index)) index = 0;

    if (expression) {
      return Prototype.Selector.find(element.nextSiblings(), expression, index);
    } else {
      var maximumLength = Object.isNumber(index) ? index + 1 : 1;
      return element.recursivelyCollect("nextSibling", index + 1)[index];
    }
  },


  select: function(element) {
    element = $(element);
    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
    return Prototype.Selector.select(expressions, element);
  },

  adjacent: function(element) {
    element = $(element);
    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
    return Prototype.Selector.select(expressions, element.parentNode).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = Element.readAttribute(element, 'id');
    if (id) return id;
    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
    Element.writeAttribute(element, 'id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return Element.getDimensions(element).height;
  },

  getWidth: function(element) {
    return Element.getDimensions(element).width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!Element.hasClassName(element, className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element[Element.hasClassName(element, className) ?
      'removeClassName' : 'addClassName'](element, className);
  },

  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Element.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    source = $(source);
    var p = Element.viewportOffset(source), delta = [0, 0], parent = null;

    element = $(element);

    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = Element.getOffsetParent(element);
      delta = Element.viewportOffset(parent);
    }

    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,

  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'height': case 'width':
          if (!Element.visible(element)) return null;

          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = (function(){

    var classProp = 'className',
        forProp = 'for',
        el = document.createElement('div');

    el.setAttribute(classProp, 'x');

    if (el.className !== 'x') {
      el.setAttribute('class', 'x');
      if (el.className === 'x') {
        classProp = 'class';
      }
    }
    el = null;

    el = document.createElement('label');
    el.setAttribute(forProp, 'x');
    if (el.htmlFor !== 'x') {
      el.setAttribute('htmlFor', 'x');
      if (el.htmlFor === 'x') {
        forProp = 'htmlFor';
      }
    }
    el = null;

    return {
      read: {
        names: {
          'class':      classProp,
          'className':  classProp,
          'for':        forProp,
          'htmlFor':    forProp
        },
        values: {
          _getAttr: function(element, attribute) {
            return element.getAttribute(attribute);
          },
          _getAttr2: function(element, attribute) {
            return element.getAttribute(attribute, 2);
          },
          _getAttrNode: function(element, attribute) {
            var node = element.getAttributeNode(attribute);
            return node ? node.value : "";
          },
          _getEv: (function(){

            var el = document.createElement('div'), f;
            el.onclick = Prototype.emptyFunction;
            var value = el.getAttribute('onclick');

            if (String(value).indexOf('{') > -1) {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                attribute = attribute.toString();
                attribute = attribute.split('{')[1];
                attribute = attribute.split('}')[0];
                return attribute.strip();
              };
            }
            else if (value === '') {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                return attribute.strip();
              };
            }
            el = null;
            return f;
          })(),
          _flag: function(element, attribute) {
            return $(element).hasAttribute(attribute) ? attribute : null;
          },
          style: function(element) {
            return element.style.cssText.toLowerCase();
          },
          title: function(element) {
            return element.title;
          }
        }
      }
    }
  })();

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr2,
      src:         v._getAttr2,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);

  if (Prototype.BrowserFeatures.ElementExtensions) {
    (function() {
      function _descendants(element) {
        var nodes = element.getElementsByTagName('*'), results = [];
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName !== "!") // Filter out comment nodes.
            results.push(node);
        return results;
      }

      Element.Methods.down = function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return element.firstDescendant();
        return Object.isNumber(expression) ? _descendants(element)[expression] :
          Element.select(element, expression)[index || 0];
      }
    })();
  }

}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if (element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };
}

if ('outerHTML' in document.documentElement) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next(),
          fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html, force) {
  var div = new Element('div'),
      t = Element._insertionTranslations.tags[tagName];

  var workaround = false;
  if (t) workaround = true;
  else if (force) {
    workaround = true;
    t = ['', '', 0];
  }

  if (workaround) {
    div.innerHTML = '&nbsp;' + t[0] + html + t[1];
    div.removeChild(div.firstChild);
    for (var i = t[2]; i--; ) {
      div = div.firstChild;
    }
  }
  else {
    div.innerHTML = html;
  }
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  var tags = Element._insertionTranslations.tags;
  Object.extend(tags, {
    THEAD: tags.TBODY,
    TFOOT: tags.TBODY,
    TH:    tags.TD
  });
})();

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

(function(div) {

  if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
    window.HTMLElement = { };
    window.HTMLElement.prototype = div['__proto__'];
    Prototype.BrowserFeatures.ElementExtensions = true;
  }

  div = null;

})(document.createElement('div'));

Element.extend = (function() {

  function checkDeficiency(tagName) {
    if (typeof window.Element != 'undefined') {
      var proto = window.Element.prototype;
      if (proto) {
        var id = '_' + (Math.random()+'').slice(2),
            el = document.createElement(tagName);
        proto[id] = 'x';
        var isBuggy = (el[id] !== 'x');
        delete proto[id];
        el = null;
        return isBuggy;
      }
    }
    return false;
  }

  function extendElementWith(element, methods) {
    for (var property in methods) {
      var value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }
  }

  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');

  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
      return function(element) {
        if (element && typeof element._extendedByPrototype == 'undefined') {
          var t = element.tagName;
          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
            extendElementWith(element, Element.Methods);
            extendElementWith(element, Element.Methods.Simulated);
            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
          }
        }
        return element;
      }
    }
    return Prototype.K;
  }

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || typeof element._extendedByPrototype != 'undefined' ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
        tagName = element.tagName.toUpperCase();

    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    extendElementWith(element, methods);

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

if (document.documentElement.hasAttribute) {
  Element.hasAttribute = function(element, attribute) {
    return element.hasAttribute(attribute);
  };
}
else {
  Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
}

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods),
      "BUTTON":   Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    var element = document.createElement(tagName),
        proto = element['__proto__'] || element.constructor.prototype;

    element = null;
    return proto;
  }

  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
   Element.prototype;

  if (F.ElementExtensions) {
    copy(Element.Methods, elementPrototype);
    copy(Element.Methods.Simulated, elementPrototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};


document.viewport = {

  getDimensions: function() {
    return { width: this.getWidth(), height: this.getHeight() };
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
  }
};

(function(viewport) {
  var B = Prototype.Browser, doc = document, element, property = {};

  function getRootElement() {
    if (B.WebKit && !doc.evaluate)
      return document;

    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
      return document.body;

    return document.documentElement;
  }

  function define(D) {
    if (!element) element = getRootElement();

    property[D] = 'client' + D;

    viewport['get' + D] = function() { return element[property[D]] };
    return viewport['get' + D]();
  }

  viewport.getWidth  = define.curry('Width');

  viewport.getHeight = define.curry('Height');
})(document.viewport);


Element.Storage = {
  UID: 1
};

Element.addMethods({
  getStorage: function(element) {
    if (!(element = $(element))) return;

    var uid;
    if (element === window) {
      uid = 0;
    } else {
      if (typeof element._prototypeUID === "undefined")
        element._prototypeUID = Element.Storage.UID++;
      uid = element._prototypeUID;
    }

    if (!Element.Storage[uid])
      Element.Storage[uid] = $H();

    return Element.Storage[uid];
  },

  store: function(element, key, value) {
    if (!(element = $(element))) return;

    if (arguments.length === 2) {
      Element.getStorage(element).update(key);
    } else {
      Element.getStorage(element).set(key, value);
    }

    return element;
  },

  retrieve: function(element, key, defaultValue) {
    if (!(element = $(element))) return;
    var hash = Element.getStorage(element), value = hash.get(key);

    if (Object.isUndefined(value)) {
      hash.set(key, defaultValue);
      value = defaultValue;
    }

    return value;
  },

  clone: function(element, deep) {
    if (!(element = $(element))) return;
    var clone = element.cloneNode(deep);
    clone._prototypeUID = void 0;
    if (deep) {
      var descendants = Element.select(clone, '*'),
          i = descendants.length;
      while (i--) {
        descendants[i]._prototypeUID = void 0;
      }
    }
    return Element.extend(clone);
  },

  purge: function(element) {
    if (!(element = $(element))) return;
    var purgeElement = Element._purgeElement;

    purgeElement(element);

    var descendants = element.getElementsByTagName('*'),
     i = descendants.length;

    while (i--) purgeElement(descendants[i]);

    return null;
  }
});

(function() {

  function toDecimal(pctString) {
    var match = pctString.match(/^(\d+)%?$/i);
    if (!match) return null;
    return (Number(match[1]) / 100);
  }

  function getPixelValue(value, property, context) {
    var element = null;
    if (Object.isElement(value)) {
      element = value;
      value = element.getStyle(property);
    }

    if (value === null) {
      return null;
    }

    if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
      return window.parseFloat(value);
    }

    var isPercentage = value.include('%'), isViewport = (context === document.viewport);

    if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) {
      var style = element.style.left, rStyle = element.runtimeStyle.left;
      element.runtimeStyle.left = element.currentStyle.left;
      element.style.left = value || 0;
      value = element.style.pixelLeft;
      element.style.left = style;
      element.runtimeStyle.left = rStyle;

      return value;
    }

    if (element && isPercentage) {
      context = context || element.parentNode;
      var decimal = toDecimal(value);
      var whole = null;
      var position = element.getStyle('position');

      var isHorizontal = property.include('left') || property.include('right') ||
       property.include('width');

      var isVertical =  property.include('top') || property.include('bottom') ||
        property.include('height');

      if (context === document.viewport) {
        if (isHorizontal) {
          whole = document.viewport.getWidth();
        } else if (isVertical) {
          whole = document.viewport.getHeight();
        }
      } else {
        if (isHorizontal) {
          whole = $(context).measure('width');
        } else if (isVertical) {
          whole = $(context).measure('height');
        }
      }

      return (whole === null) ? 0 : whole * decimal;
    }

    return 0;
  }

  function toCSSPixels(number) {
    if (Object.isString(number) && number.endsWith('px')) {
      return number;
    }
    return number + 'px';
  }

  function isDisplayed(element) {
    var originalElement = element;
    while (element && element.parentNode) {
      var display = element.getStyle('display');
      if (display === 'none') {
        return false;
      }
      element = $(element.parentNode);
    }
    return true;
  }

  var hasLayout = Prototype.K;
  if ('currentStyle' in document.documentElement) {
    hasLayout = function(element) {
      if (!element.currentStyle.hasLayout) {
        element.style.zoom = 1;
      }
      return element;
    };
  }

  function cssNameFor(key) {
    if (key.include('border')) key = key + '-width';
    return key.camelize();
  }

  Element.Layout = Class.create(Hash, {
    initialize: function($super, element, preCompute) {
      $super();
      this.element = $(element);

      Element.Layout.PROPERTIES.each( function(property) {
        this._set(property, null);
      }, this);

      if (preCompute) {
        this._preComputing = true;
        this._begin();
        Element.Layout.PROPERTIES.each( this._compute, this );
        this._end();
        this._preComputing = false;
      }
    },

    _set: function(property, value) {
      return Hash.prototype.set.call(this, property, value);
    },

    set: function(property, value) {
      throw "Properties of Element.Layout are read-only.";
    },

    get: function($super, property) {
      var value = $super(property);
      return value === null ? this._compute(property) : value;
    },

    _begin: function() {
      if (this._prepared) return;

      var element = this.element;
      if (isDisplayed(element)) {
        this._prepared = true;
        return;
      }

      var originalStyles = {
        position:   element.style.position   || '',
        width:      element.style.width      || '',
        visibility: element.style.visibility || '',
        display:    element.style.display    || ''
      };

      element.store('prototype_original_styles', originalStyles);

      var position = element.getStyle('position'),
       width = element.getStyle('width');

      if (width === "0px" || width === null) {
        element.style.display = 'block';
        width = element.getStyle('width');
      }

      var context = (position === 'fixed') ? document.viewport :
       element.parentNode;

      element.setStyle({
        position:   'absolute',
        visibility: 'hidden',
        display:    'block'
      });

      var positionedWidth = element.getStyle('width');

      var newWidth;
      if (width && (positionedWidth === width)) {
        newWidth = getPixelValue(element, 'width', context);
      } else if (position === 'absolute' || position === 'fixed') {
        newWidth = getPixelValue(element, 'width', context);
      } else {
        var parent = element.parentNode, pLayout = $(parent).getLayout();

        newWidth = pLayout.get('width') -
         this.get('margin-left') -
         this.get('border-left') -
         this.get('padding-left') -
         this.get('padding-right') -
         this.get('border-right') -
         this.get('margin-right');
      }

      element.setStyle({ width: newWidth + 'px' });

      this._prepared = true;
    },

    _end: function() {
      var element = this.element;
      var originalStyles = element.retrieve('prototype_original_styles');
      element.store('prototype_original_styles', null);
      element.setStyle(originalStyles);
      this._prepared = false;
    },

    _compute: function(property) {
      var COMPUTATIONS = Element.Layout.COMPUTATIONS;
      if (!(property in COMPUTATIONS)) {
        throw "Property not found.";
      }

      return this._set(property, COMPUTATIONS[property].call(this, this.element));
    },

    toObject: function() {
      var args = $A(arguments);
      var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
       args.join(' ').split(' ');
      var obj = {};
      keys.each( function(key) {
        if (!Element.Layout.PROPERTIES.include(key)) return;
        var value = this.get(key);
        if (value != null) obj[key] = value;
      }, this);
      return obj;
    },

    toHash: function() {
      var obj = this.toObject.apply(this, arguments);
      return new Hash(obj);
    },

    toCSS: function() {
      var args = $A(arguments);
      var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
       args.join(' ').split(' ');
      var css = {};

      keys.each( function(key) {
        if (!Element.Layout.PROPERTIES.include(key)) return;
        if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;

        var value = this.get(key);
        if (value != null) css[cssNameFor(key)] = value + 'px';
      }, this);
      return css;
    },

    inspect: function() {
      return "#<Element.Layout>";
    }
  });

  Object.extend(Element.Layout, {
    PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),

    COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),

    COMPUTATIONS: {
      'height': function(element) {
        if (!this._preComputing) this._begin();

        var bHeight = this.get('border-box-height');
        if (bHeight <= 0) {
          if (!this._preComputing) this._end();
          return 0;
        }

        var bTop = this.get('border-top'),
         bBottom = this.get('border-bottom');

        var pTop = this.get('padding-top'),
         pBottom = this.get('padding-bottom');

        if (!this._preComputing) this._end();

        return bHeight - bTop - bBottom - pTop - pBottom;
      },

      'width': function(element) {
        if (!this._preComputing) this._begin();

        var bWidth = this.get('border-box-width');
        if (bWidth <= 0) {
          if (!this._preComputing) this._end();
          return 0;
        }

        var bLeft = this.get('border-left'),
         bRight = this.get('border-right');

        var pLeft = this.get('padding-left'),
         pRight = this.get('padding-right');

        if (!this._preComputing) this._end();

        return bWidth - bLeft - bRight - pLeft - pRight;
      },

      'padding-box-height': function(element) {
        var height = this.get('height'),
         pTop = this.get('padding-top'),
         pBottom = this.get('padding-bottom');

        return height + pTop + pBottom;
      },

      'padding-box-width': function(element) {
        var width = this.get('width'),
         pLeft = this.get('padding-left'),
         pRight = this.get('padding-right');

        return width + pLeft + pRight;
      },

      'border-box-height': function(element) {
        if (!this._preComputing) this._begin();
        var height = element.offsetHeight;
        if (!this._preComputing) this._end();
        return height;
      },

      'border-box-width': function(element) {
        if (!this._preComputing) this._begin();
        var width = element.offsetWidth;
        if (!this._preComputing) this._end();
        return width;
      },

      'margin-box-height': function(element) {
        var bHeight = this.get('border-box-height'),
         mTop = this.get('margin-top'),
         mBottom = this.get('margin-bottom');

        if (bHeight <= 0) return 0;

        return bHeight + mTop + mBottom;
      },

      'margin-box-width': function(element) {
        var bWidth = this.get('border-box-width'),
         mLeft = this.get('margin-left'),
         mRight = this.get('margin-right');

        if (bWidth <= 0) return 0;

        return bWidth + mLeft + mRight;
      },

      'top': function(element) {
        var offset = element.positionedOffset();
        return offset.top;
      },

      'bottom': function(element) {
        var offset = element.positionedOffset(),
         parent = element.getOffsetParent(),
         pHeight = parent.measure('height');

        var mHeight = this.get('border-box-height');

        return pHeight - mHeight - offset.top;
      },

      'left': function(element) {
        var offset = element.positionedOffset();
        return offset.left;
      },

      'right': function(element) {
        var offset = element.positionedOffset(),
         parent = element.getOffsetParent(),
         pWidth = parent.measure('width');

        var mWidth = this.get('border-box-width');

        return pWidth - mWidth - offset.left;
      },

      'padding-top': function(element) {
        return getPixelValue(element, 'paddingTop');
      },

      'padding-bottom': function(element) {
        return getPixelValue(element, 'paddingBottom');
      },

      'padding-left': function(element) {
        return getPixelValue(element, 'paddingLeft');
      },

      'padding-right': function(element) {
        return getPixelValue(element, 'paddingRight');
      },

      'border-top': function(element) {
        return getPixelValue(element, 'borderTopWidth');
      },

      'border-bottom': function(element) {
        return getPixelValue(element, 'borderBottomWidth');
      },

      'border-left': function(element) {
        return getPixelValue(element, 'borderLeftWidth');
      },

      'border-right': function(element) {
        return getPixelValue(element, 'borderRightWidth');
      },

      'margin-top': function(element) {
        return getPixelValue(element, 'marginTop');
      },

      'margin-bottom': function(element) {
        return getPixelValue(element, 'marginBottom');
      },

      'margin-left': function(element) {
        return getPixelValue(element, 'marginLeft');
      },

      'margin-right': function(element) {
        return getPixelValue(element, 'marginRight');
      }
    }
  });

  if ('getBoundingClientRect' in document.documentElement) {
    Object.extend(Element.Layout.COMPUTATIONS, {
      'right': function(element) {
        var parent = hasLayout(element.getOffsetParent());
        var rect = element.getBoundingClientRect(),
         pRect = parent.getBoundingClientRect();

        return (pRect.right - rect.right).round();
      },

      'bottom': function(element) {
        var parent = hasLayout(element.getOffsetParent());
        var rect = element.getBoundingClientRect(),
         pRect = parent.getBoundingClientRect();

        return (pRect.bottom - rect.bottom).round();
      }
    });
  }

  Element.Offset = Class.create({
    initialize: function(left, top) {
      this.left = left.round();
      this.top  = top.round();

      this[0] = this.left;
      this[1] = this.top;
    },

    relativeTo: function(offset) {
      return new Element.Offset(
        this.left - offset.left,
        this.top  - offset.top
      );
    },

    inspect: function() {
      return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
    },

    toString: function() {
      return "[#{left}, #{top}]".interpolate(this);
    },

    toArray: function() {
      return [this.left, this.top];
    }
  });

  function getLayout(element, preCompute) {
    return new Element.Layout(element, preCompute);
  }

  function measure(element, property) {
    return $(element).getLayout().get(property);
  }

  function getDimensions(element) {
    element = $(element);
    var display = Element.getStyle(element, 'display');

    if (display && display !== 'none') {
      return { width: element.offsetWidth, height: element.offsetHeight };
    }

    var style = element.style;
    var originalStyles = {
      visibility: style.visibility,
      position:   style.position,
      display:    style.display
    };

    var newStyles = {
      visibility: 'hidden',
      display:    'block'
    };

    if (originalStyles.position !== 'fixed')
      newStyles.position = 'absolute';

    Element.setStyle(element, newStyles);

    var dimensions = {
      width:  element.offsetWidth,
      height: element.offsetHeight
    };

    Element.setStyle(element, originalStyles);

    return dimensions;
  }

  function getOffsetParent(element) {
    element = $(element);

    if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
      return $(document.body);

    var isInline = (Element.getStyle(element, 'display') === 'inline');
    if (!isInline && element.offsetParent) return $(element.offsetParent);

    while ((element = element.parentNode) && element !== document.body) {
      if (Element.getStyle(element, 'position') !== 'static') {
        return isHtml(element) ? $(document.body) : $(element);
      }
    }

    return $(document.body);
  }


  function cumulativeOffset(element) {
    element = $(element);
    var valueT = 0, valueL = 0;
    if (element.parentNode) {
      do {
        valueT += element.offsetTop  || 0;
        valueL += element.offsetLeft || 0;
        element = element.offsetParent;
      } while (element);
    }
    return new Element.Offset(valueL, valueT);
  }

  function positionedOffset(element) {
    element = $(element);

    var layout = element.getLayout();

    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (isBody(element)) break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);

    valueL -= layout.get('margin-top');
    valueT -= layout.get('margin-left');

    return new Element.Offset(valueL, valueT);
  }

  function cumulativeScrollOffset(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return new Element.Offset(valueL, valueT);
  }

  function viewportOffset(forElement) {
    element = $(element);
    var valueT = 0, valueL = 0, docBody = document.body;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == docBody &&
        Element.getStyle(element, 'position') == 'absolute') break;
    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (element != docBody) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);
    return new Element.Offset(valueL, valueT);
  }

  function absolutize(element) {
    element = $(element);

    if (Element.getStyle(element, 'position') === 'absolute') {
      return element;
    }

    var offsetParent = getOffsetParent(element);
    var eOffset = element.viewportOffset(),
     pOffset = offsetParent.viewportOffset();

    var offset = eOffset.relativeTo(pOffset);
    var layout = element.getLayout();

    element.store('prototype_absolutize_original_styles', {
      left:   element.getStyle('left'),
      top:    element.getStyle('top'),
      width:  element.getStyle('width'),
      height: element.getStyle('height')
    });

    element.setStyle({
      position: 'absolute',
      top:    offset.top + 'px',
      left:   offset.left + 'px',
      width:  layout.get('width') + 'px',
      height: layout.get('height') + 'px'
    });

    return element;
  }

  function relativize(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') === 'relative') {
      return element;
    }

    var originalStyles =
     element.retrieve('prototype_absolutize_original_styles');

    if (originalStyles) element.setStyle(originalStyles);
    return element;
  }

  if (Prototype.Browser.IE) {
    getOffsetParent = getOffsetParent.wrap(
      function(proceed, element) {
        element = $(element);

        if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
          return $(document.body);

        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);

        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );

    positionedOffset = positionedOffset.wrap(function(proceed, element) {
      element = $(element);
      if (!element.parentNode) return new Element.Offset(0, 0);
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);

      var offsetParent = element.getOffsetParent();
      if (offsetParent && offsetParent.getStyle('position') === 'fixed')
        hasLayout(offsetParent);

      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    });
  } else if (Prototype.Browser.Webkit) {
    cumulativeOffset = function(element) {
      element = $(element);
      var valueT = 0, valueL = 0;
      do {
        valueT += element.offsetTop  || 0;
        valueL += element.offsetLeft || 0;
        if (element.offsetParent == document.body)
          if (Element.getStyle(element, 'position') == 'absolute') break;

        element = element.offsetParent;
      } while (element);

      return new Element.Offset(valueL, valueT);
    };
  }


  Element.addMethods({
    getLayout:              getLayout,
    measure:                measure,
    getDimensions:          getDimensions,
    getOffsetParent:        getOffsetParent,
    cumulativeOffset:       cumulativeOffset,
    positionedOffset:       positionedOffset,
    cumulativeScrollOffset: cumulativeScrollOffset,
    viewportOffset:         viewportOffset,
    absolutize:             absolutize,
    relativize:             relativize
  });

  function isBody(element) {
    return element.nodeName.toUpperCase() === 'BODY';
  }

  function isHtml(element) {
    return element.nodeName.toUpperCase() === 'HTML';
  }

  function isDocument(element) {
    return element.nodeType === Node.DOCUMENT_NODE;
  }

  function isDetached(element) {
    return element !== document.body &&
     !Element.descendantOf(element, document.body);
  }

  if ('getBoundingClientRect' in document.documentElement) {
    Element.addMethods({
      viewportOffset: function(element) {
        element = $(element);
        if (isDetached(element)) return new Element.Offset(0, 0);

        var rect = element.getBoundingClientRect(),
         docEl = document.documentElement;
        return new Element.Offset(rect.left - docEl.clientLeft,
         rect.top - docEl.clientTop);
      }
    });
  }
})();
window.$$ = function() {
  var expression = $A(arguments).join(', ');
  return Prototype.Selector.select(expression, document);
};

Prototype.Selector = (function() {

  function select() {
    throw new Error('Method "Prototype.Selector.select" must be defined.');
  }

  function match() {
    throw new Error('Method "Prototype.Selector.match" must be defined.');
  }

  function find(elements, expression, index) {
    index = index || 0;
    var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;

    for (i = 0; i < length; i++) {
      if (match(elements[i], expression) && index == matchIndex++) {
        return Element.extend(elements[i]);
      }
    }
  }

  function extendElements(elements) {
    for (var i = 0, length = elements.length; i < length; i++) {
      Element.extend(elements[i]);
    }
    return elements;
  }


  var K = Prototype.K;

  return {
    select: select,
    match: match,
    find: find,
    extendElements: (Element.extend === K) ? K : extendElements,
    extendElement: Element.extend
  };
})();
Prototype._original_property = window.Sizzle;
/*!
 * Sizzle CSS Selector Engine - v1.0
 *  Copyright 2009, The Dojo Foundation
 *  Released under the MIT, BSD, and GPL Licenses.
 *  More information: http://sizzlejs.com/
 */
(function(){

var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
	done = 0,
	toString = Object.prototype.toString,
	hasDuplicate = false,
	baseHasDuplicate = true;

[0, 0].sort(function(){
	baseHasDuplicate = false;
	return 0;
});

var Sizzle = function(selector, context, results, seed) {
	results = results || [];
	var origContext = context = context || document;

	if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
		return [];
	}

	if ( !selector || typeof selector !== "string" ) {
		return results;
	}

	var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
		soFar = selector;

	while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
		soFar = m[3];

		parts.push( m[1] );

		if ( m[2] ) {
			extra = m[3];
			break;
		}
	}

	if ( parts.length > 1 && origPOS.exec( selector ) ) {
		if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
			set = posProcess( parts[0] + parts[1], context );
		} else {
			set = Expr.relative[ parts[0] ] ?
				[ context ] :
				Sizzle( parts.shift(), context );

			while ( parts.length ) {
				selector = parts.shift();

				if ( Expr.relative[ selector ] )
					selector += parts.shift();

				set = posProcess( selector, set );
			}
		}
	} else {
		if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
				Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
			var ret = Sizzle.find( parts.shift(), context, contextXML );
			context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
		}

		if ( context ) {
			var ret = seed ?
				{ expr: parts.pop(), set: makeArray(seed) } :
				Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
			set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;

			if ( parts.length > 0 ) {
				checkSet = makeArray(set);
			} else {
				prune = false;
			}

			while ( parts.length ) {
				var cur = parts.pop(), pop = cur;

				if ( !Expr.relative[ cur ] ) {
					cur = "";
				} else {
					pop = parts.pop();
				}

				if ( pop == null ) {
					pop = context;
				}

				Expr.relative[ cur ]( checkSet, pop, contextXML );
			}
		} else {
			checkSet = parts = [];
		}
	}

	if ( !checkSet ) {
		checkSet = set;
	}

	if ( !checkSet ) {
		throw "Syntax error, unrecognized expression: " + (cur || selector);
	}

	if ( toString.call(checkSet) === "[object Array]" ) {
		if ( !prune ) {
			results.push.apply( results, checkSet );
		} else if ( context && context.nodeType === 1 ) {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
					results.push( set[i] );
				}
			}
		} else {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
					results.push( set[i] );
				}
			}
		}
	} else {
		makeArray( checkSet, results );
	}

	if ( extra ) {
		Sizzle( extra, origContext, results, seed );
		Sizzle.uniqueSort( results );
	}

	return results;
};

Sizzle.uniqueSort = function(results){
	if ( sortOrder ) {
		hasDuplicate = baseHasDuplicate;
		results.sort(sortOrder);

		if ( hasDuplicate ) {
			for ( var i = 1; i < results.length; i++ ) {
				if ( results[i] === results[i-1] ) {
					results.splice(i--, 1);
				}
			}
		}
	}

	return results;
};

Sizzle.matches = function(expr, set){
	return Sizzle(expr, null, null, set);
};

Sizzle.find = function(expr, context, isXML){
	var set, match;

	if ( !expr ) {
		return [];
	}

	for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
		var type = Expr.order[i], match;

		if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
			var left = match[1];
			match.splice(1,1);

			if ( left.substr( left.length - 1 ) !== "\\" ) {
				match[1] = (match[1] || "").replace(/\\/g, "");
				set = Expr.find[ type ]( match, context, isXML );
				if ( set != null ) {
					expr = expr.replace( Expr.match[ type ], "" );
					break;
				}
			}
		}
	}

	if ( !set ) {
		set = context.getElementsByTagName("*");
	}

	return {set: set, expr: expr};
};

Sizzle.filter = function(expr, set, inplace, not){
	var old = expr, result = [], curLoop = set, match, anyFound,
		isXMLFilter = set && set[0] && isXML(set[0]);

	while ( expr && set.length ) {
		for ( var type in Expr.filter ) {
			if ( (match = Expr.match[ type ].exec( expr )) != null ) {
				var filter = Expr.filter[ type ], found, item;
				anyFound = false;

				if ( curLoop == result ) {
					result = [];
				}

				if ( Expr.preFilter[ type ] ) {
					match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );

					if ( !match ) {
						anyFound = found = true;
					} else if ( match === true ) {
						continue;
					}
				}

				if ( match ) {
					for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
						if ( item ) {
							found = filter( item, match, i, curLoop );
							var pass = not ^ !!found;

							if ( inplace && found != null ) {
								if ( pass ) {
									anyFound = true;
								} else {
									curLoop[i] = false;
								}
							} else if ( pass ) {
								result.push( item );
								anyFound = true;
							}
						}
					}
				}

				if ( found !== undefined ) {
					if ( !inplace ) {
						curLoop = result;
					}

					expr = expr.replace( Expr.match[ type ], "" );

					if ( !anyFound ) {
						return [];
					}

					break;
				}
			}
		}

		if ( expr == old ) {
			if ( anyFound == null ) {
				throw "Syntax error, unrecognized expression: " + expr;
			} else {
				break;
			}
		}

		old = expr;
	}

	return curLoop;
};

var Expr = Sizzle.selectors = {
	order: [ "ID", "NAME", "TAG" ],
	match: {
		ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
		ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
		TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
		CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
		POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
		PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
	},
	leftMatch: {},
	attrMap: {
		"class": "className",
		"for": "htmlFor"
	},
	attrHandle: {
		href: function(elem){
			return elem.getAttribute("href");
		}
	},
	relative: {
		"+": function(checkSet, part, isXML){
			var isPartStr = typeof part === "string",
				isTag = isPartStr && !/\W/.test(part),
				isPartStrNotTag = isPartStr && !isTag;

			if ( isTag && !isXML ) {
				part = part.toUpperCase();
			}

			for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
				if ( (elem = checkSet[i]) ) {
					while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}

					checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
						elem || false :
						elem === part;
				}
			}

			if ( isPartStrNotTag ) {
				Sizzle.filter( part, checkSet, true );
			}
		},
		">": function(checkSet, part, isXML){
			var isPartStr = typeof part === "string";

			if ( isPartStr && !/\W/.test(part) ) {
				part = isXML ? part : part.toUpperCase();

				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						var parent = elem.parentNode;
						checkSet[i] = parent.nodeName === part ? parent : false;
					}
				}
			} else {
				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						checkSet[i] = isPartStr ?
							elem.parentNode :
							elem.parentNode === part;
					}
				}

				if ( isPartStr ) {
					Sizzle.filter( part, checkSet, true );
				}
			}
		},
		"": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( !/\W/.test(part) ) {
				var nodeCheck = part = isXML ? part : part.toUpperCase();
				checkFn = dirNodeCheck;
			}

			checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
		},
		"~": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( typeof part === "string" && !/\W/.test(part) ) {
				var nodeCheck = part = isXML ? part : part.toUpperCase();
				checkFn = dirNodeCheck;
			}

			checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
		}
	},
	find: {
		ID: function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? [m] : [];
			}
		},
		NAME: function(match, context, isXML){
			if ( typeof context.getElementsByName !== "undefined" ) {
				var ret = [], results = context.getElementsByName(match[1]);

				for ( var i = 0, l = results.length; i < l; i++ ) {
					if ( results[i].getAttribute("name") === match[1] ) {
						ret.push( results[i] );
					}
				}

				return ret.length === 0 ? null : ret;
			}
		},
		TAG: function(match, context){
			return context.getElementsByTagName(match[1]);
		}
	},
	preFilter: {
		CLASS: function(match, curLoop, inplace, result, not, isXML){
			match = " " + match[1].replace(/\\/g, "") + " ";

			if ( isXML ) {
				return match;
			}

			for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
				if ( elem ) {
					if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
						if ( !inplace )
							result.push( elem );
					} else if ( inplace ) {
						curLoop[i] = false;
					}
				}
			}

			return false;
		},
		ID: function(match){
			return match[1].replace(/\\/g, "");
		},
		TAG: function(match, curLoop){
			for ( var i = 0; curLoop[i] === false; i++ ){}
			return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
		},
		CHILD: function(match){
			if ( match[1] == "nth" ) {
				var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
					match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
					!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);

				match[2] = (test[1] + (test[2] || 1)) - 0;
				match[3] = test[3] - 0;
			}

			match[0] = done++;

			return match;
		},
		ATTR: function(match, curLoop, inplace, result, not, isXML){
			var name = match[1].replace(/\\/g, "");

			if ( !isXML && Expr.attrMap[name] ) {
				match[1] = Expr.attrMap[name];
			}

			if ( match[2] === "~=" ) {
				match[4] = " " + match[4] + " ";
			}

			return match;
		},
		PSEUDO: function(match, curLoop, inplace, result, not){
			if ( match[1] === "not" ) {
				if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
					match[3] = Sizzle(match[3], null, null, curLoop);
				} else {
					var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
					if ( !inplace ) {
						result.push.apply( result, ret );
					}
					return false;
				}
			} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
				return true;
			}

			return match;
		},
		POS: function(match){
			match.unshift( true );
			return match;
		}
	},
	filters: {
		enabled: function(elem){
			return elem.disabled === false && elem.type !== "hidden";
		},
		disabled: function(elem){
			return elem.disabled === true;
		},
		checked: function(elem){
			return elem.checked === true;
		},
		selected: function(elem){
			elem.parentNode.selectedIndex;
			return elem.selected === true;
		},
		parent: function(elem){
			return !!elem.firstChild;
		},
		empty: function(elem){
			return !elem.firstChild;
		},
		has: function(elem, i, match){
			return !!Sizzle( match[3], elem ).length;
		},
		header: function(elem){
			return /h\d/i.test( elem.nodeName );
		},
		text: function(elem){
			return "text" === elem.type;
		},
		radio: function(elem){
			return "radio" === elem.type;
		},
		checkbox: function(elem){
			return "checkbox" === elem.type;
		},
		file: function(elem){
			return "file" === elem.type;
		},
		password: function(elem){
			return "password" === elem.type;
		},
		submit: function(elem){
			return "submit" === elem.type;
		},
		image: function(elem){
			return "image" === elem.type;
		},
		reset: function(elem){
			return "reset" === elem.type;
		},
		button: function(elem){
			return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
		},
		input: function(elem){
			return /input|select|textarea|button/i.test(elem.nodeName);
		}
	},
	setFilters: {
		first: function(elem, i){
			return i === 0;
		},
		last: function(elem, i, match, array){
			return i === array.length - 1;
		},
		even: function(elem, i){
			return i % 2 === 0;
		},
		odd: function(elem, i){
			return i % 2 === 1;
		},
		lt: function(elem, i, match){
			return i < match[3] - 0;
		},
		gt: function(elem, i, match){
			return i > match[3] - 0;
		},
		nth: function(elem, i, match){
			return match[3] - 0 == i;
		},
		eq: function(elem, i, match){
			return match[3] - 0 == i;
		}
	},
	filter: {
		PSEUDO: function(elem, match, i, array){
			var name = match[1], filter = Expr.filters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			} else if ( name === "contains" ) {
				return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
			} else if ( name === "not" ) {
				var not = match[3];

				for ( var i = 0, l = not.length; i < l; i++ ) {
					if ( not[i] === elem ) {
						return false;
					}
				}

				return true;
			}
		},
		CHILD: function(elem, match){
			var type = match[1], node = elem;
			switch (type) {
				case 'only':
				case 'first':
					while ( (node = node.previousSibling) )  {
						if ( node.nodeType === 1 ) return false;
					}
					if ( type == 'first') return true;
					node = elem;
				case 'last':
					while ( (node = node.nextSibling) )  {
						if ( node.nodeType === 1 ) return false;
					}
					return true;
				case 'nth':
					var first = match[2], last = match[3];

					if ( first == 1 && last == 0 ) {
						return true;
					}

					var doneName = match[0],
						parent = elem.parentNode;

					if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
						var count = 0;
						for ( node = parent.firstChild; node; node = node.nextSibling ) {
							if ( node.nodeType === 1 ) {
								node.nodeIndex = ++count;
							}
						}
						parent.sizcache = doneName;
					}

					var diff = elem.nodeIndex - last;
					if ( first == 0 ) {
						return diff == 0;
					} else {
						return ( diff % first == 0 && diff / first >= 0 );
					}
			}
		},
		ID: function(elem, match){
			return elem.nodeType === 1 && elem.getAttribute("id") === match;
		},
		TAG: function(elem, match){
			return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
		},
		CLASS: function(elem, match){
			return (" " + (elem.className || elem.getAttribute("class")) + " ")
				.indexOf( match ) > -1;
		},
		ATTR: function(elem, match){
			var name = match[1],
				result = Expr.attrHandle[ name ] ?
					Expr.attrHandle[ name ]( elem ) :
					elem[ name ] != null ?
						elem[ name ] :
						elem.getAttribute( name ),
				value = result + "",
				type = match[2],
				check = match[4];

			return result == null ?
				type === "!=" :
				type === "=" ?
				value === check :
				type === "*=" ?
				value.indexOf(check) >= 0 :
				type === "~=" ?
				(" " + value + " ").indexOf(check) >= 0 :
				!check ?
				value && result !== false :
				type === "!=" ?
				value != check :
				type === "^=" ?
				value.indexOf(check) === 0 :
				type === "$=" ?
				value.substr(value.length - check.length) === check :
				type === "|=" ?
				value === check || value.substr(0, check.length + 1) === check + "-" :
				false;
		},
		POS: function(elem, match, i, array){
			var name = match[2], filter = Expr.setFilters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			}
		}
	}
};

var origPOS = Expr.match.POS;

for ( var type in Expr.match ) {
	Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
	Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
}

var makeArray = function(array, results) {
	array = Array.prototype.slice.call( array, 0 );

	if ( results ) {
		results.push.apply( results, array );
		return results;
	}

	return array;
};

try {
	Array.prototype.slice.call( document.documentElement.childNodes, 0 );

} catch(e){
	makeArray = function(array, results) {
		var ret = results || [];

		if ( toString.call(array) === "[object Array]" ) {
			Array.prototype.push.apply( ret, array );
		} else {
			if ( typeof array.length === "number" ) {
				for ( var i = 0, l = array.length; i < l; i++ ) {
					ret.push( array[i] );
				}
			} else {
				for ( var i = 0; array[i]; i++ ) {
					ret.push( array[i] );
				}
			}
		}

		return ret;
	};
}

var sortOrder;

if ( document.documentElement.compareDocumentPosition ) {
	sortOrder = function( a, b ) {
		if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( "sourceIndex" in document.documentElement ) {
	sortOrder = function( a, b ) {
		if ( !a.sourceIndex || !b.sourceIndex ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var ret = a.sourceIndex - b.sourceIndex;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( document.createRange ) {
	sortOrder = function( a, b ) {
		if ( !a.ownerDocument || !b.ownerDocument ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
		aRange.setStart(a, 0);
		aRange.setEnd(a, 0);
		bRange.setStart(b, 0);
		bRange.setEnd(b, 0);
		var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
}

(function(){
	var form = document.createElement("div"),
		id = "script" + (new Date).getTime();
	form.innerHTML = "<a name='" + id + "'/>";

	var root = document.documentElement;
	root.insertBefore( form, root.firstChild );

	if ( !!document.getElementById( id ) ) {
		Expr.find.ID = function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
			}
		};

		Expr.filter.ID = function(elem, match){
			var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
			return elem.nodeType === 1 && node && node.nodeValue === match;
		};
	}

	root.removeChild( form );
	root = form = null; // release memory in IE
})();

(function(){
	var div = document.createElement("div");
	if(typeof(document.createComment) == "function"){
	    div.appendChild( document.createComment("") );
	}
	if ( div.getElementsByTagName("*").length > 0 ) {
		Expr.find.TAG = function(match, context){
			var results = context.getElementsByTagName(match[1]);

			if ( match[1] === "*" ) {
				var tmp = [];

				for ( var i = 0; results[i]; i++ ) {
					if ( results[i].nodeType === 1 ) {
						tmp.push( results[i] );
					}
				}

				results = tmp;
			}

			return results;
		};
	}

	div.innerHTML = "<a href='#'></a>";
	if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
			div.firstChild.getAttribute("href") !== "#" ) {
		Expr.attrHandle.href = function(elem){
			return elem.getAttribute("href", 2);
		};
	}

	div = null; // release memory in IE
})();

if ( document.querySelectorAll ) (function(){
	var oldSizzle = Sizzle, div = document.createElement("div");
	div.innerHTML = "<p class='TEST'></p>";

	if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
		return;
	}

	Sizzle = function(query, context, extra, seed){
		context = context || document;

		if ( !seed && context.nodeType === 9 && !isXML(context) ) {
			try {
				return makeArray( context.querySelectorAll(query), extra );
			} catch(e){}
		}

		return oldSizzle(query, context, extra, seed);
	};

	for ( var prop in oldSizzle ) {
		Sizzle[ prop ] = oldSizzle[ prop ];
	}

	div = null; // release memory in IE
})();

if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
	var div = document.createElement("div");
	div.innerHTML = "<div class='test e'></div><div class='test'></div>";

	if ( div.getElementsByClassName("e").length === 0 )
		return;

	div.lastChild.className = "e";

	if ( div.getElementsByClassName("e").length === 1 )
		return;

	Expr.order.splice(1, 0, "CLASS");
	Expr.find.CLASS = function(match, context, isXML) {
		if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
			return context.getElementsByClassName(match[1]);
		}
	};

	div = null; // release memory in IE
})();

function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			if ( sibDir && elem.nodeType === 1 ){
				elem.sizcache = doneName;
				elem.sizset = i;
			}
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 && !isXML ){
					elem.sizcache = doneName;
					elem.sizset = i;
				}

				if ( elem.nodeName === cur ) {
					match = elem;
					break;
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			if ( sibDir && elem.nodeType === 1 ) {
				elem.sizcache = doneName;
				elem.sizset = i;
			}
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 ) {
					if ( !isXML ) {
						elem.sizcache = doneName;
						elem.sizset = i;
					}
					if ( typeof cur !== "string" ) {
						if ( elem === cur ) {
							match = true;
							break;
						}

					} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
						match = elem;
						break;
					}
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

var contains = document.compareDocumentPosition ?  function(a, b){
	return a.compareDocumentPosition(b) & 16;
} : function(a, b){
	return a !== b && (a.contains ? a.contains(b) : true);
};

var isXML = function(elem){
	return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
		!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
};

var posProcess = function(selector, context){
	var tmpSet = [], later = "", match,
		root = context.nodeType ? [context] : context;

	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
		later += match[0];
		selector = selector.replace( Expr.match.PSEUDO, "" );
	}

	selector = Expr.relative[selector] ? selector + "*" : selector;

	for ( var i = 0, l = root.length; i < l; i++ ) {
		Sizzle( selector, root[i], tmpSet );
	}

	return Sizzle.filter( later, tmpSet );
};


window.Sizzle = Sizzle;

})();

;(function(engine) {
  var extendElements = Prototype.Selector.extendElements;

  function select(selector, scope) {
    return extendElements(engine(selector, scope || document));
  }

  function match(element, selector) {
    return engine.matches(selector, [element]).length == 1;
  }

  Prototype.Selector.engine = engine;
  Prototype.Selector.select = select;
  Prototype.Selector.match = match;
})(Sizzle);

window.Sizzle = Prototype._original_property;
delete Prototype._original_property;

var Form = {
  reset: function(form) {
    form = $(form);
    form.reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit, accumulator, initial;

    if (options.hash) {
      initial = {};
      accumulator = function(result, key, value) {
        if (key in result) {
          if (!Object.isArray(result[key])) result[key] = [result[key]];
          result[key].push(value);
        } else result[key] = value;
        return result;
      };
    } else {
      initial = '';
      accumulator = function(result, key, value) {
        return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + encodeURIComponent(value);
      }
    }

    return elements.inject(initial, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          result = accumulator(result, key, value);
        }
      }
      return result;
    });
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    var elements = $(form).getElementsByTagName('*'),
        element,
        arr = [ ],
        serializers = Form.Element.Serializers;
    for (var i = 0; element = elements[i]; i++) {
      arr.push(element);
    }
    return arr.inject([], function(elements, child) {
      if (serializers[child.tagName.toLowerCase()])
        elements.push(Element.extend(child));
      return elements;
    })
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return /^(?:input|select|textarea)$/i.test(element.tagName);
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    var element = form.findFirstElement();
    if (element) element.activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/


Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {

  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !(/^(?:button|reset|submit)$/i.test(element.type))))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;

var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = (function() {
  function input(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return inputSelector(element, value);
      default:
        return valueSelector(element, value);
    }
  }

  function inputSelector(element, value) {
    if (Object.isUndefined(value))
      return element.checked ? element.value : null;
    else element.checked = !!value;
  }

  function valueSelector(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  }

  function select(element, value) {
    if (Object.isUndefined(value))
      return (element.type === 'select-one' ? selectOne : selectMany)(element);

    var opt, currentValue, single = !Object.isArray(value);
    for (var i = 0, length = element.length; i < length; i++) {
      opt = element.options[i];
      currentValue = this.optionValue(opt);
      if (single) {
        if (currentValue == value) {
          opt.selected = true;
          return;
        }
      }
      else opt.selected = value.include(currentValue);
    }
  }

  function selectOne(element) {
    var index = element.selectedIndex;
    return index >= 0 ? optionValue(element.options[index]) : null;
  }

  function selectMany(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(optionValue(opt));
    }
    return values;
  }

  function optionValue(opt) {
    return Element.hasAttribute(opt, 'value') ? opt.value : opt.text;
  }

  return {
    input:         input,
    inputSelector: inputSelector,
    textarea:      valueSelector,
    select:        select,
    selectOne:     selectOne,
    selectMany:    selectMany,
    optionValue:   optionValue,
    button:        valueSelector
  };
})();

/*--------------------------------------------------------------------------*/


Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
(function() {

  var Event = {
    KEY_BACKSPACE: 8,
    KEY_TAB:       9,
    KEY_RETURN:   13,
    KEY_ESC:      27,
    KEY_LEFT:     37,
    KEY_UP:       38,
    KEY_RIGHT:    39,
    KEY_DOWN:     40,
    KEY_DELETE:   46,
    KEY_HOME:     36,
    KEY_END:      35,
    KEY_PAGEUP:   33,
    KEY_PAGEDOWN: 34,
    KEY_INSERT:   45,

    cache: {}
  };

  var docEl = document.documentElement;
  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
    && 'onmouseleave' in docEl;



  var isIELegacyEvent = function(event) { return false; };

  if (window.attachEvent) {
    if (window.addEventListener) {
      isIELegacyEvent = function(event) {
        return !(event instanceof window.Event);
      };
    } else {
      isIELegacyEvent = function(event) { return true; };
    }
  }

  var _isButton;

  function _isButtonForDOMEvents(event, code) {
    return event.which ? (event.which === code + 1) : (event.button === code);
  }

  var legacyButtonMap = { 0: 1, 1: 4, 2: 2 };
  function _isButtonForLegacyEvents(event, code) {
    return event.button === legacyButtonMap[code];
  }

  function _isButtonForWebKit(event, code) {
    switch (code) {
      case 0: return event.which == 1 && !event.metaKey;
      case 1: return event.which == 2 || (event.which == 1 && event.metaKey);
      case 2: return event.which == 3;
      default: return false;
    }
  }

  if (window.attachEvent) {
    if (!window.addEventListener) {
      _isButton = _isButtonForLegacyEvents;
    } else {
      _isButton = function(event, code) {
        return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) :
         _isButtonForDOMEvents(event, code);
      }
    }
  } else if (Prototype.Browser.WebKit) {
    _isButton = _isButtonForWebKit;
  } else {
    _isButton = _isButtonForDOMEvents;
  }

  function isLeftClick(event)   { return _isButton(event, 0) }

  function isMiddleClick(event) { return _isButton(event, 1) }

  function isRightClick(event)  { return _isButton(event, 2) }

  function element(event) {
    event = Event.extend(event);

    var node = event.target, type = event.type,
     currentTarget = event.currentTarget;

    if (currentTarget && currentTarget.tagName) {
      if (type === 'load' || type === 'error' ||
        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
          && currentTarget.type === 'radio'))
            node = currentTarget;
    }

    if (node.nodeType == Node.TEXT_NODE)
      node = node.parentNode;

    return Element.extend(node);
  }

  function findElement(event, expression) {
    var element = Event.element(event);

    if (!expression) return element;
    while (element) {
      if (Object.isElement(element) && Prototype.Selector.match(element, expression)) {
        return Element.extend(element);
      }
      element = element.parentNode;
    }
  }

  function pointer(event) {
    return { x: pointerX(event), y: pointerY(event) };
  }

  function pointerX(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollLeft: 0 };

    return event.pageX || (event.clientX +
      (docElement.scrollLeft || body.scrollLeft) -
      (docElement.clientLeft || 0));
  }

  function pointerY(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollTop: 0 };

    return  event.pageY || (event.clientY +
       (docElement.scrollTop || body.scrollTop) -
       (docElement.clientTop || 0));
  }


  function stop(event) {
    Event.extend(event);
    event.preventDefault();
    event.stopPropagation();

    event.stopped = true;
  }


  Event.Methods = {
    isLeftClick:   isLeftClick,
    isMiddleClick: isMiddleClick,
    isRightClick:  isRightClick,

    element:     element,
    findElement: findElement,

    pointer:  pointer,
    pointerX: pointerX,
    pointerY: pointerY,

    stop: stop
  };

  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (window.attachEvent) {
    function _relatedTarget(event) {
      var element;
      switch (event.type) {
        case 'mouseover':
        case 'mouseenter':
          element = event.fromElement;
          break;
        case 'mouseout':
        case 'mouseleave':
          element = event.toElement;
          break;
        default:
          return null;
      }
      return Element.extend(element);
    }

    var additionalMethods = {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return '[object Event]' }
    };

    Event.extend = function(event, element) {
      if (!event) return false;

      if (!isIELegacyEvent(event)) return event;

      if (event._extendedByPrototype) return event;
      event._extendedByPrototype = Prototype.emptyFunction;

      var pointer = Event.pointer(event);

      Object.extend(event, {
        target: event.srcElement || element,
        relatedTarget: _relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });

      Object.extend(event, methods);
      Object.extend(event, additionalMethods);

      return event;
    };
  } else {
    Event.extend = Prototype.K;
  }

  if (window.addEventListener) {
    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
    Object.extend(Event.prototype, methods);
  }

  function _createResponder(element, eventName, handler) {
    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) {
      CACHE.push(element);
      registry = Element.retrieve(element, 'prototype_event_registry', $H());
    }

    var respondersForEvent = registry.get(eventName);
    if (Object.isUndefined(respondersForEvent)) {
      respondersForEvent = [];
      registry.set(eventName, respondersForEvent);
    }

    if (respondersForEvent.pluck('handler').include(handler)) return false;

    var responder;
    if (eventName.include(":")) {
      responder = function(event) {
        if (Object.isUndefined(event.eventName))
          return false;

        if (event.eventName !== eventName)
          return false;

        Event.extend(event, element);
        handler.call(element, event);
      };
    } else {
      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
       (eventName === "mouseenter" || eventName === "mouseleave")) {
        if (eventName === "mouseenter" || eventName === "mouseleave") {
          responder = function(event) {
            Event.extend(event, element);

            var parent = event.relatedTarget;
            while (parent && parent !== element) {
              try { parent = parent.parentNode; }
              catch(e) { parent = element; }
            }

            if (parent === element) return;

            handler.call(element, event);
          };
        }
      } else {
        responder = function(event) {
          Event.extend(event, element);
          handler.call(element, event);
        };
      }
    }

    responder.handler = handler;
    respondersForEvent.push(responder);
    return responder;
  }

  function _destroyCache() {
    for (var i = 0, length = CACHE.length; i < length; i++) {
      Event.stopObserving(CACHE[i]);
      CACHE[i] = null;
    }
  }

  var CACHE = [];

  if (Prototype.Browser.IE)
    window.attachEvent('onunload', _destroyCache);

  if (Prototype.Browser.WebKit)
    window.addEventListener('unload', Prototype.emptyFunction, false);


  var _getDOMEventName = Prototype.K,
      translations = { mouseenter: "mouseover", mouseleave: "mouseout" };

  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
    _getDOMEventName = function(eventName) {
      return (translations[eventName] || eventName);
    };
  }

  function observe(element, eventName, handler) {
    element = $(element);

    var responder = _createResponder(element, eventName, handler);

    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.addEventListener)
        element.addEventListener("dataavailable", responder, false);
      else {
        element.attachEvent("ondataavailable", responder);
        element.attachEvent("onlosecapture", responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);

      if (element.addEventListener)
        element.addEventListener(actualEventName, responder, false);
      else
        element.attachEvent("on" + actualEventName, responder);
    }

    return element;
  }

  function stopObserving(element, eventName, handler) {
    element = $(element);

    var registry = Element.retrieve(element, 'prototype_event_registry');
    if (!registry) return element;

    if (!eventName) {
      registry.each( function(pair) {
        var eventName = pair.key;
        stopObserving(element, eventName);
      });
      return element;
    }

    var responders = registry.get(eventName);
    if (!responders) return element;

    if (!handler) {
      responders.each(function(r) {
        stopObserving(element, eventName, r.handler);
      });
      return element;
    }

    var i = responders.length, responder;
    while (i--) {
      if (responders[i].handler === handler) {
        responder = responders[i];
        break;
      }
    }
    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.removeEventListener)
        element.removeEventListener("dataavailable", responder, false);
      else {
        element.detachEvent("ondataavailable", responder);
        element.detachEvent("onlosecapture", responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);
      if (element.removeEventListener)
        element.removeEventListener(actualEventName, responder, false);
      else
        element.detachEvent('on' + actualEventName, responder);
    }

    registry.set(eventName, responders.without(responder));

    return element;
  }

  function fire(element, eventName, memo, bubble) {
    element = $(element);

    if (Object.isUndefined(bubble))
      bubble = true;

    if (element == document && document.createEvent && !element.dispatchEvent)
      element = document.documentElement;

    var event;
    if (document.createEvent) {
      event = document.createEvent('HTMLEvents');
      event.initEvent('dataavailable', bubble, true);
    } else {
      event = document.createEventObject();
      event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
    }

    event.eventName = eventName;
    event.memo = memo || { };

    if (document.createEvent)
      element.dispatchEvent(event);
    else
      element.fireEvent(event.eventType, event);

    return Event.extend(event);
  }

  Event.Handler = Class.create({
    initialize: function(element, eventName, selector, callback) {
      this.element   = $(element);
      this.eventName = eventName;
      this.selector  = selector;
      this.callback  = callback;
      this.handler   = this.handleEvent.bind(this);
    },

    start: function() {
      Event.observe(this.element, this.eventName, this.handler);
      return this;
    },

    stop: function() {
      Event.stopObserving(this.element, this.eventName, this.handler);
      return this;
    },

    handleEvent: function(event) {
      var element = Event.findElement(event, this.selector);
      if (element) this.callback.call(this.element, event, element);
    }
  });

  function on(element, eventName, selector, callback) {
    element = $(element);
    if (Object.isFunction(selector) && Object.isUndefined(callback)) {
      callback = selector, selector = null;
    }

    return new Event.Handler(element, eventName, selector, callback).start();
  }

  Object.extend(Event, Event.Methods);

  Object.extend(Event, {
    fire:          fire,
    observe:       observe,
    stopObserving: stopObserving,
    on:            on
  });

  Element.addMethods({
    fire:          fire,

    observe:       observe,

    stopObserving: stopObserving,

    on:            on
  });

  Object.extend(document, {
    fire:          fire.methodize(),

    observe:       observe.methodize(),

    stopObserving: stopObserving.methodize(),

    on:            on.methodize(),

    loaded:        false
  });

  if (window.Event) Object.extend(window.Event, Event);
  else window.Event = Event;
})();

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearTimeout(timer);
    document.loaded = true;
    document.fire('dom:loaded');
  }

  function checkReadyState() {
    if (document.readyState === 'complete') {
      document.stopObserving('readystatechange', checkReadyState);
      fireContentLoadedEvent();
    }
  }

  function pollDoScroll() {
    try { document.documentElement.doScroll('left'); }
    catch(e) {
      timer = pollDoScroll.defer();
      return;
    }
    fireContentLoadedEvent();
  }

  if (document.addEventListener) {
    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
  } else {
    document.observe('readystatechange', checkReadyState);
    if (window == top)
      timer = pollDoScroll.defer();
  }

  Event.observe(window, 'load', fireContentLoadedEvent);
})();

Element.addMethods();

/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

var Position = {
  includeScrollOffsets: false,

  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },


  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

(function() {
  window.Selector = Class.create({
    initialize: function(expression) {
      this.expression = expression.strip();
    },

    findElements: function(rootElement) {
      return Prototype.Selector.select(this.expression, rootElement);
    },

    match: function(element) {
      return Prototype.Selector.match(element, this.expression);
    },

    toString: function() {
      return this.expression;
    },

    inspect: function() {
      return "#<Selector: " + this.expression + ">";
    }
  });

  Object.extend(Selector, {
    matchElements: function(elements, expression) {
      var match = Prototype.Selector.match,
          results = [];

      for (var i = 0, length = elements.length; i < length; i++) {
        var element = elements[i];
        if (match(element, expression)) {
          results.push(Element.extend(element));
        }
      }
      return results;
    },

    findElement: function(elements, expression, index) {
      index = index || 0;
      var matchIndex = 0, element;
      for (var i = 0, length = elements.length; i < length; i++) {
        element = elements[i];
        if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
          return Element.extend(element);
        }
      }
    },

    findChildElements: function(element, expressions) {
      var selector = expressions.toArray().join(', ');
      return Prototype.Selector.select(selector, element || document);
    }
  });
})();

/*!
 * Raphael 1.5.2 - JavaScript Vector Library
 *
 * Copyright (c) 2010 Dmitry Baranovskiy (http://raphaeljs.com)
 * Licensed under the MIT (http://raphaeljs.com/license.html) license.
 */
(function () {
    function R() {
        if (R.is(arguments[0], array)) {
            var a = arguments[0],
                cnv = create[apply](R, a.splice(0, 3 + R.is(a[0], nu))),
                res = cnv.set();
            for (var i = 0, ii = a[length]; i < ii; i++) {
                var j = a[i] || {};
                elements[has](j.type) && res[push](cnv[j.type]().attr(j));
            }
            return res;
        }
        return create[apply](R, arguments);
    }
    R.version = "1.5.2";
    var separator = /[, ]+/,
        elements = {circle: 1, rect: 1, path: 1, ellipse: 1, text: 1, image: 1},
        formatrg = /\{(\d+)\}/g,
        proto = "prototype",
        has = "hasOwnProperty",
        doc = document,
        win = window,
        oldRaphael = {
            was: Object[proto][has].call(win, "Raphael"),
            is: win.Raphael
        },
        Paper = function () {
            this.customAttributes = {};
        },
        paperproto,
        appendChild = "appendChild",
        apply = "apply",
        concat = "concat",
        supportsTouch = "createTouch" in doc,
        E = "",
        S = " ",
        Str = String,
        split = "split",
        events = "click dblclick mousedown mousemove mouseout mouseover mouseup touchstart touchmove touchend orientationchange touchcancel gesturestart gesturechange gestureend"[split](S),
        touchMap = {
            mousedown: "touchstart",
            mousemove: "touchmove",
            mouseup: "touchend"
        },
        join = "join",
        length = "length",
        lowerCase = Str[proto].toLowerCase,
        math = Math,
        mmax = math.max,
        mmin = math.min,
        abs = math.abs,
        pow = math.pow,
        PI = math.PI,
        nu = "number",
        string = "string",
        array = "array",
        toString = "toString",
        fillString = "fill",
        objectToString = Object[proto][toString],
        paper = {},
        push = "push",
        ISURL = /^url\(['"]?([^\)]+?)['"]?\)$/i,
        colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+%?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?)%?\s*\)|hsba?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?)%?\s*\)|hsla?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?)%?\s*\))\s*$/i,
        isnan = {"NaN": 1, "Infinity": 1, "-Infinity": 1},
        bezierrg = /^(?:cubic-)?bezier\(([^,]+),([^,]+),([^,]+),([^\)]+)\)/,
        round = math.round,
        setAttribute = "setAttribute",
        toFloat = parseFloat,
        toInt = parseInt,
        ms = " progid:DXImageTransform.Microsoft",
        upperCase = Str[proto].toUpperCase,
        availableAttrs = {blur: 0, "clip-rect": "0 0 1e9 1e9", cursor: "default", cx: 0, cy: 0, fill: "#fff", "fill-opacity": 1, font: '10px "Arial"', "font-family": '"Arial"', "font-size": "10", "font-style": "normal", "font-weight": 400, gradient: 0, height: 0, href: "http://raphaeljs.com/", opacity: 1, path: "M0,0", r: 0, rotation: 0, rx: 0, ry: 0, scale: "1 1", src: "", stroke: "#000", "stroke-dasharray": "", "stroke-linecap": "butt", "stroke-linejoin": "butt", "stroke-miterlimit": 0, "stroke-opacity": 1, "stroke-width": 1, target: "_blank", "text-anchor": "middle", title: "Raphael", translation: "0 0", width: 0, x: 0, y: 0},
        availableAnimAttrs = {along: "along", blur: nu, "clip-rect": "csv", cx: nu, cy: nu, fill: "colour", "fill-opacity": nu, "font-size": nu, height: nu, opacity: nu, path: "path", r: nu, rotation: "csv", rx: nu, ry: nu, scale: "csv", stroke: "colour", "stroke-opacity": nu, "stroke-width": nu, translation: "csv", width: nu, x: nu, y: nu},
        rp = "replace",
        animKeyFrames= /^(from|to|\d+%?)$/,
        commaSpaces = /\s*,\s*/,
        hsrg = {hs: 1, rg: 1},
        p2s = /,?([achlmqrstvxz]),?/gi,
        pathCommand = /([achlmqstvz])[\s,]*((-?\d*\.?\d*(?:e[-+]?\d+)?\s*,?\s*)+)/ig,
        pathValues = /(-?\d*\.?\d*(?:e[-+]?\d+)?)\s*,?\s*/ig,
        radial_gradient = /^r(?:\(([^,]+?)\s*,\s*([^\)]+?)\))?/,
        sortByKey = function (a, b) {
            return a.key - b.key;
        };

    R.type = (win.SVGAngle || (doc.implementation != null && doc.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1")) ? "SVG" : "VML");
    if (R.type == "VML") {
        var d = doc.createElement("div"),
            b;
        d.innerHTML = '<v:shape adj="1"/>';
        b = d.firstChild;
        b.style.behavior = "url(#default#VML)";
        if (!(b && typeof b.adj == "object")) {
            return R.type = null;
        }
        d = null;
    }
    R.svg = !(R.vml = R.type == "VML");
    Paper[proto] = R[proto];
    paperproto = Paper[proto];
    R._id = 0;
    R._oid = 0;
    R.fn = {};
    R.is = function (o, type) {
        type = lowerCase.call(type);
        if (type == "finite") {
            return !isnan[has](+o);
        }
        return  (type == "null" && o === null) ||
                (type == typeof o) ||
                (type == "object" && o === Object(o)) ||
                (type == "array" && Array.isArray && Array.isArray(o)) ||
                objectToString.call(o).slice(8, -1).toLowerCase() == type;
    };
    R.angle = function (x1, y1, x2, y2, x3, y3) {
        if (x3 == null) {
            var x = x1 - x2,
                y = y1 - y2;
            if (!x && !y) {
                return 0;
            }
            return ((x < 0) * 180 + math.atan(-y / -x) * 180 / PI + 360) % 360;
        } else {
            return R.angle(x1, y1, x3, y3) - R.angle(x2, y2, x3, y3);
        }
    };
    R.rad = function (deg) {
        return deg % 360 * PI / 180;
    };
    R.deg = function (rad) {
        return rad * 180 / PI % 360;
    };
    R.snapTo = function (values, value, tolerance) {
        tolerance = R.is(tolerance, "finite") ? tolerance : 10;
        if (R.is(values, array)) {
            var i = values.length;
            while (i--) if (abs(values[i] - value) <= tolerance) {
                return values[i];
            }
        } else {
            values = +values;
            var rem = value % values;
            if (rem < tolerance) {
                return value - rem;
            }
            if (rem > values - tolerance) {
                return value - rem + values;
            }
        }
        return value;
    };
    function createUUID() {
        // http://www.ietf.org/rfc/rfc4122.txt
        var s = [],
            i = 0;
        for (; i < 32; i++) {
            s[i] = (~~(math.random() * 16))[toString](16);
        }
        s[12] = 4;  // bits 12-15 of the time_hi_and_version field to 0010
        s[16] = ((s[16] & 3) | 8)[toString](16);  // bits 6-7 of the clock_seq_hi_and_reserved to 01
        return "r-" + s[join]("");
    }

    R.setWindow = function (newwin) {
        win = newwin;
        doc = win.document;
    };
    // colour utilities
    var toHex = function (color) {
        if (R.vml) {
            // http://dean.edwards.name/weblog/2009/10/convert-any-colour-value-to-hex-in-msie/
            var trim = /^\s+|\s+$/g;
            var bod;
            try {
                var docum = new ActiveXObject("htmlfile");
                docum.write("<body>");
                docum.close();
                bod = docum.body;
            } catch(e) {
                bod = createPopup().document.body;
            }
            var range = bod.createTextRange();
            toHex = cacher(function (color) {
                try {
                    bod.style.color = Str(color)[rp](trim, E);
                    var value = range.queryCommandValue("ForeColor");
                    value = ((value & 255) << 16) | (value & 65280) | ((value & 16711680) >>> 16);
                    return "#" + ("000000" + value[toString](16)).slice(-6);
                } catch(e) {
                    return "none";
                }
            });
        } else {
            var i = doc.createElement("i");
            i.title = "Rapha\xebl Colour Picker";
            i.style.display = "none";
            doc.body[appendChild](i);
            toHex = cacher(function (color) {
                i.style.color = color;
                return doc.defaultView.getComputedStyle(i, E).getPropertyValue("color");
            });
        }
        return toHex(color);
    },
    hsbtoString = function () {
        return "hsb(" + [this.h, this.s, this.b] + ")";
    },
    hsltoString = function () {
        return "hsl(" + [this.h, this.s, this.l] + ")";
    },
    rgbtoString = function () {
        return this.hex;
    };
    R.hsb2rgb = function (h, s, b, o) {
        if (R.is(h, "object") && "h" in h && "s" in h && "b" in h) {
            b = h.b;
            s = h.s;
            h = h.h;
            o = h.o;
        }
        return R.hsl2rgb(h, s, b / 2, o);
    };
    R.hsl2rgb = function (h, s, l, o) {
        if (R.is(h, "object") && "h" in h && "s" in h && "l" in h) {
            l = h.l;
            s = h.s;
            h = h.h;
        }
        if (h > 1 || s > 1 || l > 1) {
            h /= 360;
            s /= 100;
            l /= 100;
        }
        var rgb = {},
            channels = ["r", "g", "b"],
            t2, t1, t3, r, g, b;
        if (!s) {
            rgb = {
                r: l,
                g: l,
                b: l
            };
        } else {
            if (l < .5) {
                t2 = l * (1 + s);
            } else {
                t2 = l + s - l * s;
            }
            t1 = 2 * l - t2;
            for (var i = 0; i < 3; i++) {
                t3 = h + 1 / 3 * -(i - 1);
                t3 < 0 && t3++;
                t3 > 1 && t3--;
                if (t3 * 6 < 1) {
                    rgb[channels[i]] = t1 + (t2 - t1) * 6 * t3;
                } else if (t3 * 2 < 1) {
                    rgb[channels[i]] = t2;
                } else if (t3 * 3 < 2) {
                    rgb[channels[i]] = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
                } else {
                    rgb[channels[i]] = t1;
                }
            }
        }
        rgb.r *= 255;
        rgb.g *= 255;
        rgb.b *= 255;
        rgb.hex = "#" + (16777216 | rgb.b | (rgb.g << 8) | (rgb.r << 16)).toString(16).slice(1);
        R.is(o, "finite") && (rgb.opacity = o);
        rgb.toString = rgbtoString;
        return rgb;
    };
    R.rgb2hsb = function (red, green, blue) {
        if (green == null && R.is(red, "object") && "r" in red && "g" in red && "b" in red) {
            blue = red.b;
            green = red.g;
            red = red.r;
        }
        if (green == null && R.is(red, string)) {
            var clr = R.getRGB(red);
            red = clr.r;
            green = clr.g;
            blue = clr.b;
        }
        if (red > 1 || green > 1 || blue > 1) {
            red /= 255;
            green /= 255;
            blue /= 255;
        }
        var max = mmax(red, green, blue),
            min = mmin(red, green, blue),
            hue,
            saturation,
            brightness = max;
        if (min == max) {
            return {h: 0, s: 0, b: max, toString: hsbtoString};
        } else {
            var delta = (max - min);
            saturation = delta / max;
            if (red == max) {
                hue = (green - blue) / delta;
            } else if (green == max) {
                hue = 2 + ((blue - red) / delta);
            } else {
                hue = 4 + ((red - green) / delta);
            }
            hue /= 6;
            hue < 0 && hue++;
            hue > 1 && hue--;
        }
        return {h: hue, s: saturation, b: brightness, toString: hsbtoString};
    };
    R.rgb2hsl = function (red, green, blue) {
        if (green == null && R.is(red, "object") && "r" in red && "g" in red && "b" in red) {
            blue = red.b;
            green = red.g;
            red = red.r;
        }
        if (green == null && R.is(red, string)) {
            var clr = R.getRGB(red);
            red = clr.r;
            green = clr.g;
            blue = clr.b;
        }
        if (red > 1 || green > 1 || blue > 1) {
            red /= 255;
            green /= 255;
            blue /= 255;
        }
        var max = mmax(red, green, blue),
            min = mmin(red, green, blue),
            h,
            s,
            l = (max + min) / 2,
            hsl;
        if (min == max) {
            hsl =  {h: 0, s: 0, l: l};
        } else {
            var delta = max - min;
            s = l < .5 ? delta / (max + min) : delta / (2 - max - min);
            if (red == max) {
                h = (green - blue) / delta;
            } else if (green == max) {
                h = 2 + (blue - red) / delta;
            } else {
                h = 4 + (red - green) / delta;
            }
            h /= 6;
            h < 0 && h++;
            h > 1 && h--;
            hsl = {h: h, s: s, l: l};
        }
        hsl.toString = hsltoString;
        return hsl;
    };
    R._path2string = function () {
        return this.join(",")[rp](p2s, "$1");
    };
    function cacher(f, scope, postprocessor) {
        function newf() {
            var arg = Array[proto].slice.call(arguments, 0),
                args = arg[join]("\u25ba"),
                cache = newf.cache = newf.cache || {},
                count = newf.count = newf.count || [];
            if (cache[has](args)) {
                return postprocessor ? postprocessor(cache[args]) : cache[args];
            }
            count[length] >= 1e3 && delete cache[count.shift()];
            count[push](args);
            cache[args] = f[apply](scope, arg);
            return postprocessor ? postprocessor(cache[args]) : cache[args];
        }
        return newf;
    }
 
    R.getRGB = cacher(function (colour) {
        if (!colour || !!((colour = Str(colour)).indexOf("-") + 1)) {
            return {r: -1, g: -1, b: -1, hex: "none", error: 1};
        }
        if (colour == "none") {
            return {r: -1, g: -1, b: -1, hex: "none"};
        }
        !(hsrg[has](colour.toLowerCase().substring(0, 2)) || colour.charAt() == "#") && (colour = toHex(colour));
        var res,
            red,
            green,
            blue,
            opacity,
            t,
            values,
            rgb = colour.match(colourRegExp);
        if (rgb) {
            if (rgb[2]) {
                blue = toInt(rgb[2].substring(5), 16);
                green = toInt(rgb[2].substring(3, 5), 16);
                red = toInt(rgb[2].substring(1, 3), 16);
            }
            if (rgb[3]) {
                blue = toInt((t = rgb[3].charAt(3)) + t, 16);
                green = toInt((t = rgb[3].charAt(2)) + t, 16);
                red = toInt((t = rgb[3].charAt(1)) + t, 16);
            }
            if (rgb[4]) {
                values = rgb[4][split](commaSpaces);
                red = toFloat(values[0]);
                values[0].slice(-1) == "%" && (red *= 2.55);
                green = toFloat(values[1]);
                values[1].slice(-1) == "%" && (green *= 2.55);
                blue = toFloat(values[2]);
                values[2].slice(-1) == "%" && (blue *= 2.55);
                rgb[1].toLowerCase().slice(0, 4) == "rgba" && (opacity = toFloat(values[3]));
                values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
            }
            if (rgb[5]) {
                values = rgb[5][split](commaSpaces);
                red = toFloat(values[0]);
                values[0].slice(-1) == "%" && (red *= 2.55);
                green = toFloat(values[1]);
                values[1].slice(-1) == "%" && (green *= 2.55);
                blue = toFloat(values[2]);
                values[2].slice(-1) == "%" && (blue *= 2.55);
                (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360);
                rgb[1].toLowerCase().slice(0, 4) == "hsba" && (opacity = toFloat(values[3]));
                values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
                return R.hsb2rgb(red, green, blue, opacity);
            }
            if (rgb[6]) {
                values = rgb[6][split](commaSpaces);
                red = toFloat(values[0]);
                values[0].slice(-1) == "%" && (red *= 2.55);
                green = toFloat(values[1]);
                values[1].slice(-1) == "%" && (green *= 2.55);
                blue = toFloat(values[2]);
                values[2].slice(-1) == "%" && (blue *= 2.55);
                (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360);
                rgb[1].toLowerCase().slice(0, 4) == "hsla" && (opacity = toFloat(values[3]));
                values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
                return R.hsl2rgb(red, green, blue, opacity);
            }
            rgb = {r: red, g: green, b: blue};
            rgb.hex = "#" + (16777216 | blue | (green << 8) | (red << 16)).toString(16).slice(1);
            R.is(opacity, "finite") && (rgb.opacity = opacity);
            return rgb;
        }
        return {r: -1, g: -1, b: -1, hex: "none", error: 1};
    }, R);
    R.getColor = function (value) {
        var start = this.getColor.start = this.getColor.start || {h: 0, s: 1, b: value || .75},
            rgb = this.hsb2rgb(start.h, start.s, start.b);
        start.h += .075;
        if (start.h > 1) {
            start.h = 0;
            start.s -= .2;
            start.s <= 0 && (this.getColor.start = {h: 0, s: 1, b: start.b});
        }
        return rgb.hex;
    };
    R.getColor.reset = function () {
        delete this.start;
    };
    // path utilities
    R.parsePathString = cacher(function (pathString) {
        if (!pathString) {
            return null;
        }
        var paramCounts = {a: 7, c: 6, h: 1, l: 2, m: 2, q: 4, s: 4, t: 2, v: 1, z: 0},
            data = [];
        if (R.is(pathString, array) && R.is(pathString[0], array)) { // rough assumption
            data = pathClone(pathString);
        }
        if (!data[length]) {
            Str(pathString)[rp](pathCommand, function (a, b, c) {
                var params = [],
                    name = lowerCase.call(b);
                c[rp](pathValues, function (a, b) {
                    b && params[push](+b);
                });
                if (name == "m" && params[length] > 2) {
                    data[push]([b][concat](params.splice(0, 2)));
                    name = "l";
                    b = b == "m" ? "l" : "L";
                }
                while (params[length] >= paramCounts[name]) {
                    data[push]([b][concat](params.splice(0, paramCounts[name])));
                    if (!paramCounts[name]) {
                        break;
                    }
                }
            });
        }
        data[toString] = R._path2string;
        return data;
    });
    R.findDotsAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
        var t1 = 1 - t,
            x = pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
            y = pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y,
            mx = p1x + 2 * t * (c1x - p1x) + t * t * (c2x - 2 * c1x + p1x),
            my = p1y + 2 * t * (c1y - p1y) + t * t * (c2y - 2 * c1y + p1y),
            nx = c1x + 2 * t * (c2x - c1x) + t * t * (p2x - 2 * c2x + c1x),
            ny = c1y + 2 * t * (c2y - c1y) + t * t * (p2y - 2 * c2y + c1y),
            ax = (1 - t) * p1x + t * c1x,
            ay = (1 - t) * p1y + t * c1y,
            cx = (1 - t) * c2x + t * p2x,
            cy = (1 - t) * c2y + t * p2y,
            alpha = (90 - math.atan((mx - nx) / (my - ny)) * 180 / PI);
        (mx > nx || my < ny) && (alpha += 180);
        return {x: x, y: y, m: {x: mx, y: my}, n: {x: nx, y: ny}, start: {x: ax, y: ay}, end: {x: cx, y: cy}, alpha: alpha};
    };
    var pathDimensions = cacher(function (path) {
        if (!path) {
            return {x: 0, y: 0, width: 0, height: 0};
        }
        path = path2curve(path);
        var x = 0, 
            y = 0,
            X = [],
            Y = [],
            p;
        for (var i = 0, ii = path[length]; i < ii; i++) {
            p = path[i];
            if (p[0] == "M") {
                x = p[1];
                y = p[2];
                X[push](x);
                Y[push](y);
            } else {
                var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
                X = X[concat](dim.min.x, dim.max.x);
                Y = Y[concat](dim.min.y, dim.max.y);
                x = p[5];
                y = p[6];
            }
        }
        var xmin = mmin[apply](0, X),
            ymin = mmin[apply](0, Y);
        return {
            x: xmin,
            y: ymin,
            width: mmax[apply](0, X) - xmin,
            height: mmax[apply](0, Y) - ymin
        };
    }),
        pathClone = function (pathArray) {
            var res = [];
            if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
                pathArray = R.parsePathString(pathArray);
            }
            for (var i = 0, ii = pathArray[length]; i < ii; i++) {
                res[i] = [];
                for (var j = 0, jj = pathArray[i][length]; j < jj; j++) {
                    res[i][j] = pathArray[i][j];
                }
            }
            res[toString] = R._path2string;
            return res;
        },
        pathToRelative = cacher(function (pathArray) {
            if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
                pathArray = R.parsePathString(pathArray);
            }
            var res = [],
                x = 0,
                y = 0,
                mx = 0,
                my = 0,
                start = 0;
            if (pathArray[0][0] == "M") {
                x = pathArray[0][1];
                y = pathArray[0][2];
                mx = x;
                my = y;
                start++;
                res[push](["M", x, y]);
            }
            for (var i = start, ii = pathArray[length]; i < ii; i++) {
                var r = res[i] = [],
                    pa = pathArray[i];
                if (pa[0] != lowerCase.call(pa[0])) {
                    r[0] = lowerCase.call(pa[0]);
                    switch (r[0]) {
                        case "a":
                            r[1] = pa[1];
                            r[2] = pa[2];
                            r[3] = pa[3];
                            r[4] = pa[4];
                            r[5] = pa[5];
                            r[6] = +(pa[6] - x).toFixed(3);
                            r[7] = +(pa[7] - y).toFixed(3);
                            break;
                        case "v":
                            r[1] = +(pa[1] - y).toFixed(3);
                            break;
                        case "m":
                            mx = pa[1];
                            my = pa[2];
                        default:
                            for (var j = 1, jj = pa[length]; j < jj; j++) {
                                r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);
                            }
                    }
                } else {
                    r = res[i] = [];
                    if (pa[0] == "m") {
                        mx = pa[1] + x;
                        my = pa[2] + y;
                    }
                    for (var k = 0, kk = pa[length]; k < kk; k++) {
                        res[i][k] = pa[k];
                    }
                }
                var len = res[i][length];
                switch (res[i][0]) {
                    case "z":
                        x = mx;
                        y = my;
                        break;
                    case "h":
                        x += +res[i][len - 1];
                        break;
                    case "v":
                        y += +res[i][len - 1];
                        break;
                    default:
                        x += +res[i][len - 2];
                        y += +res[i][len - 1];
                }
            }
            res[toString] = R._path2string;
            return res;
        }, 0, pathClone),
        pathToAbsolute = cacher(function (pathArray) {
            if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
                pathArray = R.parsePathString(pathArray);
            }
            var res = [],
                x = 0,
                y = 0,
                mx = 0,
                my = 0,
                start = 0;
            if (pathArray[0][0] == "M") {
                x = +pathArray[0][1];
                y = +pathArray[0][2];
                mx = x;
                my = y;
                start++;
                res[0] = ["M", x, y];
            }
            for (var i = start, ii = pathArray[length]; i < ii; i++) {
                var r = res[i] = [],
                    pa = pathArray[i];
                if (pa[0] != upperCase.call(pa[0])) {
                    r[0] = upperCase.call(pa[0]);
                    switch (r[0]) {
                        case "A":
                            r[1] = pa[1];
                            r[2] = pa[2];
                            r[3] = pa[3];
                            r[4] = pa[4];
                            r[5] = pa[5];
                            r[6] = +(pa[6] + x);
                            r[7] = +(pa[7] + y);
                            break;
                        case "V":
                            r[1] = +pa[1] + y;
                            break;
                        case "H":
                            r[1] = +pa[1] + x;
                            break;
                        case "M":
                            mx = +pa[1] + x;
                            my = +pa[2] + y;
                        default:
                            for (var j = 1, jj = pa[length]; j < jj; j++) {
                                r[j] = +pa[j] + ((j % 2) ? x : y);
                            }
                    }
                } else {
                    for (var k = 0, kk = pa[length]; k < kk; k++) {
                        res[i][k] = pa[k];
                    }
                }
                switch (r[0]) {
                    case "Z":
                        x = mx;
                        y = my;
                        break;
                    case "H":
                        x = r[1];
                        break;
                    case "V":
                        y = r[1];
                        break;
                    case "M":
                        mx = res[i][res[i][length] - 2];
                        my = res[i][res[i][length] - 1];
                    default:
                        x = res[i][res[i][length] - 2];
                        y = res[i][res[i][length] - 1];
                }
            }
            res[toString] = R._path2string;
            return res;
        }, null, pathClone),
        l2c = function (x1, y1, x2, y2) {
            return [x1, y1, x2, y2, x2, y2];
        },
        q2c = function (x1, y1, ax, ay, x2, y2) {
            var _13 = 1 / 3,
                _23 = 2 / 3;
            return [
                    _13 * x1 + _23 * ax,
                    _13 * y1 + _23 * ay,
                    _13 * x2 + _23 * ax,
                    _13 * y2 + _23 * ay,
                    x2,
                    y2
                ];
        },
        a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {
            // for more information of where this math came from visit:
            // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
            var _120 = PI * 120 / 180,
                rad = PI / 180 * (+angle || 0),
                res = [],
                xy,
                rotate = cacher(function (x, y, rad) {
                    var X = x * math.cos(rad) - y * math.sin(rad),
                        Y = x * math.sin(rad) + y * math.cos(rad);
                    return {x: X, y: Y};
                });
            if (!recursive) {
                xy = rotate(x1, y1, -rad);
                x1 = xy.x;
                y1 = xy.y;
                xy = rotate(x2, y2, -rad);
                x2 = xy.x;
                y2 = xy.y;
                var cos = math.cos(PI / 180 * angle),
                    sin = math.sin(PI / 180 * angle),
                    x = (x1 - x2) / 2,
                    y = (y1 - y2) / 2;
                var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);
                if (h > 1) {
                    h = math.sqrt(h);
                    rx = h * rx;
                    ry = h * ry;
                }
                var rx2 = rx * rx,
                    ry2 = ry * ry,
                    k = (large_arc_flag == sweep_flag ? -1 : 1) *
                        math.sqrt(abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),
                    cx = k * rx * y / ry + (x1 + x2) / 2,
                    cy = k * -ry * x / rx + (y1 + y2) / 2,
                    f1 = math.asin(((y1 - cy) / ry).toFixed(9)),
                    f2 = math.asin(((y2 - cy) / ry).toFixed(9));

                f1 = x1 < cx ? PI - f1 : f1;
                f2 = x2 < cx ? PI - f2 : f2;
                f1 < 0 && (f1 = PI * 2 + f1);
                f2 < 0 && (f2 = PI * 2 + f2);
                if (sweep_flag && f1 > f2) {
                    f1 = f1 - PI * 2;
                }
                if (!sweep_flag && f2 > f1) {
                    f2 = f2 - PI * 2;
                }
            } else {
                f1 = recursive[0];
                f2 = recursive[1];
                cx = recursive[2];
                cy = recursive[3];
            }
            var df = f2 - f1;
            if (abs(df) > _120) {
                var f2old = f2,
                    x2old = x2,
                    y2old = y2;
                f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
                x2 = cx + rx * math.cos(f2);
                y2 = cy + ry * math.sin(f2);
                res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
            }
            df = f2 - f1;
            var c1 = math.cos(f1),
                s1 = math.sin(f1),
                c2 = math.cos(f2),
                s2 = math.sin(f2),
                t = math.tan(df / 4),
                hx = 4 / 3 * rx * t,
                hy = 4 / 3 * ry * t,
                m1 = [x1, y1],
                m2 = [x1 + hx * s1, y1 - hy * c1],
                m3 = [x2 + hx * s2, y2 - hy * c2],
                m4 = [x2, y2];
            m2[0] = 2 * m1[0] - m2[0];
            m2[1] = 2 * m1[1] - m2[1];
            if (recursive) {
                return [m2, m3, m4][concat](res);
            } else {
                res = [m2, m3, m4][concat](res)[join]()[split](",");
                var newres = [];
                for (var i = 0, ii = res[length]; i < ii; i++) {
                    newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;
                }
                return newres;
            }
        },
        findDotAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
            var t1 = 1 - t;
            return {
                x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
                y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y
            };
        },
        curveDim = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
            var a = (c2x - 2 * c1x + p1x) - (p2x - 2 * c2x + c1x),
                b = 2 * (c1x - p1x) - 2 * (c2x - c1x),
                c = p1x - c1x,
                t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a,
                t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a,
                y = [p1y, p2y],
                x = [p1x, p2x],
                dot;
            abs(t1) > "1e12" && (t1 = .5);
            abs(t2) > "1e12" && (t2 = .5);
            if (t1 > 0 && t1 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
                x[push](dot.x);
                y[push](dot.y);
            }
            if (t2 > 0 && t2 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
                x[push](dot.x);
                y[push](dot.y);
            }
            a = (c2y - 2 * c1y + p1y) - (p2y - 2 * c2y + c1y);
            b = 2 * (c1y - p1y) - 2 * (c2y - c1y);
            c = p1y - c1y;
            t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a;
            t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a;
            abs(t1) > "1e12" && (t1 = .5);
            abs(t2) > "1e12" && (t2 = .5);
            if (t1 > 0 && t1 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
                x[push](dot.x);
                y[push](dot.y);
            }
            if (t2 > 0 && t2 < 1) {
                dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
                x[push](dot.x);
                y[push](dot.y);
            }
            return {
                min: {x: mmin[apply](0, x), y: mmin[apply](0, y)},
                max: {x: mmax[apply](0, x), y: mmax[apply](0, y)}
            };
        }),
        path2curve = cacher(function (path, path2) {
            var p = pathToAbsolute(path),
                p2 = path2 && pathToAbsolute(path2),
                attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
                attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
                processPath = function (path, d) {
                    var nx, ny;
                    if (!path) {
                        return ["C", d.x, d.y, d.x, d.y, d.x, d.y];
                    }
                    !(path[0] in {T:1, Q:1}) && (d.qx = d.qy = null);
                    switch (path[0]) {
                        case "M":
                            d.X = path[1];
                            d.Y = path[2];
                            break;
                        case "A":
                            path = ["C"][concat](a2c[apply](0, [d.x, d.y][concat](path.slice(1))));
                            break;
                        case "S":
                            nx = d.x + (d.x - (d.bx || d.x));
                            ny = d.y + (d.y - (d.by || d.y));
                            path = ["C", nx, ny][concat](path.slice(1));
                            break;
                        case "T":
                            d.qx = d.x + (d.x - (d.qx || d.x));
                            d.qy = d.y + (d.y - (d.qy || d.y));
                            path = ["C"][concat](q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));
                            break;
                        case "Q":
                            d.qx = path[1];
                            d.qy = path[2];
                            path = ["C"][concat](q2c(d.x, d.y, path[1], path[2], path[3], path[4]));
                            break;
                        case "L":
                            path = ["C"][concat](l2c(d.x, d.y, path[1], path[2]));
                            break;
                        case "H":
                            path = ["C"][concat](l2c(d.x, d.y, path[1], d.y));
                            break;
                        case "V":
                            path = ["C"][concat](l2c(d.x, d.y, d.x, path[1]));
                            break;
                        case "Z":
                            path = ["C"][concat](l2c(d.x, d.y, d.X, d.Y));
                            break;
                    }
                    return path;
                },
                fixArc = function (pp, i) {
                    if (pp[i][length] > 7) {
                        pp[i].shift();
                        var pi = pp[i];
                        while (pi[length]) {
                            pp.splice(i++, 0, ["C"][concat](pi.splice(0, 6)));
                        }
                        pp.splice(i, 1);
                        ii = mmax(p[length], p2 && p2[length] || 0);
                    }
                },
                fixM = function (path1, path2, a1, a2, i) {
                    if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") {
                        path2.splice(i, 0, ["M", a2.x, a2.y]);
                        a1.bx = 0;
                        a1.by = 0;
                        a1.x = path1[i][1];
                        a1.y = path1[i][2];
                        ii = mmax(p[length], p2 && p2[length] || 0);
                    }
                };
            for (var i = 0, ii = mmax(p[length], p2 && p2[length] || 0); i < ii; i++) {
                p[i] = processPath(p[i], attrs);
                fixArc(p, i);
                p2 && (p2[i] = processPath(p2[i], attrs2));
                p2 && fixArc(p2, i);
                fixM(p, p2, attrs, attrs2, i);
                fixM(p2, p, attrs2, attrs, i);
                var seg = p[i],
                    seg2 = p2 && p2[i],
                    seglen = seg[length],
                    seg2len = p2 && seg2[length];
                attrs.x = seg[seglen - 2];
                attrs.y = seg[seglen - 1];
                attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;
                attrs.by = toFloat(seg[seglen - 3]) || attrs.y;
                attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);
                attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);
                attrs2.x = p2 && seg2[seg2len - 2];
                attrs2.y = p2 && seg2[seg2len - 1];
            }
            return p2 ? [p, p2] : p;
        }, null, pathClone),
        parseDots = cacher(function (gradient) {
            var dots = [];
            for (var i = 0, ii = gradient[length]; i < ii; i++) {
                var dot = {},
                    par = gradient[i].match(/^([^:]*):?([\d\.]*)/);
                dot.color = R.getRGB(par[1]);
                if (dot.color.error) {
                    return null;
                }
                dot.color = dot.color.hex;
                par[2] && (dot.offset = par[2] + "%");
                dots[push](dot);
            }
            for (i = 1, ii = dots[length] - 1; i < ii; i++) {
                if (!dots[i].offset) {
                    var start = toFloat(dots[i - 1].offset || 0),
                        end = 0;
                    for (var j = i + 1; j < ii; j++) {
                        if (dots[j].offset) {
                            end = dots[j].offset;
                            break;
                        }
                    }
                    if (!end) {
                        end = 100;
                        j = ii;
                    }
                    end = toFloat(end);
                    var d = (end - start) / (j - i + 1);
                    for (; i < j; i++) {
                        start += d;
                        dots[i].offset = start + "%";
                    }
                }
            }
            return dots;
        }),
        getContainer = function (x, y, w, h) {
            var container;
            if (R.is(x, string) || R.is(x, "object")) {
                container = R.is(x, string) ? doc.getElementById(x) : x;
                if (container.tagName) {
                    if (y == null) {
                        return {
                            container: container,
                            width: container.style.pixelWidth || container.offsetWidth,
                            height: container.style.pixelHeight || container.offsetHeight
                        };
                    } else {
                        return {container: container, width: y, height: w};
                    }
                }
            } else {
                return {container: 1, x: x, y: y, width: w, height: h};
            }
        },
        plugins = function (con, add) {
            var that = this;
            for (var prop in add) {
                if (add[has](prop) && !(prop in con)) {
                    switch (typeof add[prop]) {
                        case "function":
                            (function (f) {
                                con[prop] = con === that ? f : function () { return f[apply](that, arguments); };
                            })(add[prop]);
                        break;
                        case "object":
                            con[prop] = con[prop] || {};
                            plugins.call(this, con[prop], add[prop]);
                        break;
                        default:
                            con[prop] = add[prop];
                        break;
                    }
                }
            }
        },
        tear = function (el, paper) {
            el == paper.top && (paper.top = el.prev);
            el == paper.bottom && (paper.bottom = el.next);
            el.next && (el.next.prev = el.prev);
            el.prev && (el.prev.next = el.next);
        },
        tofront = function (el, paper) {
            if (paper.top === el) {
                return;
            }
            tear(el, paper);
            el.next = null;
            el.prev = paper.top;
            paper.top.next = el;
            paper.top = el;
        },
        toback = function (el, paper) {
            if (paper.bottom === el) {
                return;
            }
            tear(el, paper);
            el.next = paper.bottom;
            el.prev = null;
            paper.bottom.prev = el;
            paper.bottom = el;
        },
        insertafter = function (el, el2, paper) {
            tear(el, paper);
            el2 == paper.top && (paper.top = el);
            el2.next && (el2.next.prev = el);
            el.next = el2.next;
            el.prev = el2;
            el2.next = el;
        },
        insertbefore = function (el, el2, paper) {
            tear(el, paper);
            el2 == paper.bottom && (paper.bottom = el);
            el2.prev && (el2.prev.next = el);
            el.prev = el2.prev;
            el2.prev = el;
            el.next = el2;
        },
        removed = function (methodname) {
            return function () {
                throw new Error("Rapha\xebl: you are calling to method \u201c" + methodname + "\u201d of removed object");
            };
        };
    R.pathToRelative = pathToRelative;
    // SVG
    if (R.svg) {
        paperproto.svgns = "http://www.w3.org/2000/svg";
        paperproto.xlink = "http://www.w3.org/1999/xlink";
        round = function (num) {
            return +num + (~~num === num) * .5;
        };
        var $ = function (el, attr) {
            if (attr) {
                for (var key in attr) {
                    if (attr[has](key)) {
                        el[setAttribute](key, Str(attr[key]));
                    }
                }
            } else {
                el = doc.createElementNS(paperproto.svgns, el);
                el.style.webkitTapHighlightColor = "rgba(0,0,0,0)";
                return el;
            }
        };
        R[toString] = function () {
            return  "Your browser supports SVG.\nYou are running Rapha\xebl " + this.version;
        };
        var thePath = function (pathString, SVG) {
            var el = $("path");
            SVG.canvas && SVG.canvas[appendChild](el);
            var p = new Element(el, SVG);
            p.type = "path";
            setFillAndStroke(p, {fill: "none", stroke: "#000", path: pathString});
            return p;
        };
        var addGradientFill = function (o, gradient, SVG) {
            var type = "linear",
                fx = .5, fy = .5,
                s = o.style;
            gradient = Str(gradient)[rp](radial_gradient, function (all, _fx, _fy) {
                type = "radial";
                if (_fx && _fy) {
                    fx = toFloat(_fx);
                    fy = toFloat(_fy);
                    var dir = ((fy > .5) * 2 - 1);
                    pow(fx - .5, 2) + pow(fy - .5, 2) > .25 &&
                        (fy = math.sqrt(.25 - pow(fx - .5, 2)) * dir + .5) &&
                        fy != .5 &&
                        (fy = fy.toFixed(5) - 1e-5 * dir);
                }
                return E;
            });
            gradient = gradient[split](/\s*\-\s*/);
            if (type == "linear") {
                var angle = gradient.shift();
                angle = -toFloat(angle);
                if (isNaN(angle)) {
                    return null;
                }
                var vector = [0, 0, math.cos(angle * PI / 180), math.sin(angle * PI / 180)],
                    max = 1 / (mmax(abs(vector[2]), abs(vector[3])) || 1);
                vector[2] *= max;
                vector[3] *= max;
                if (vector[2] < 0) {
                    vector[0] = -vector[2];
                    vector[2] = 0;
                }
                if (vector[3] < 0) {
                    vector[1] = -vector[3];
                    vector[3] = 0;
                }
            }
            var dots = parseDots(gradient);
            if (!dots) {
                return null;
            }
            var id = o.getAttribute(fillString);
            id = id.match(/^url\(#(.*)\)$/);
            id && SVG.defs.removeChild(doc.getElementById(id[1]));

            var el = $(type + "Gradient");
            el.id = createUUID();
            $(el, type == "radial" ? {fx: fx, fy: fy} : {x1: vector[0], y1: vector[1], x2: vector[2], y2: vector[3]});
            SVG.defs[appendChild](el);
            for (var i = 0, ii = dots[length]; i < ii; i++) {
                var stop = $("stop");
                $(stop, {
                    offset: dots[i].offset ? dots[i].offset : !i ? "0%" : "100%",
                    "stop-color": dots[i].color || "#fff"
                });
                el[appendChild](stop);
            }
            $(o, {
                fill: "url(#" + el.id + ")",
                opacity: 1,
                "fill-opacity": 1
            });
            s.fill = E;
            s.opacity = 1;
            s.fillOpacity = 1;
            return 1;
        };
        var updatePosition = function (o) {
            var bbox = o.getBBox();
            $(o.pattern, {patternTransform: R.format("translate({0},{1})", bbox.x, bbox.y)});
        };
        var setFillAndStroke = function (o, params) {
            var dasharray = {
                    "": [0],
                    "none": [0],
                    "-": [3, 1],
                    ".": [1, 1],
                    "-.": [3, 1, 1, 1],
                    "-..": [3, 1, 1, 1, 1, 1],
                    ". ": [1, 3],
                    "- ": [4, 3],
                    "--": [8, 3],
                    "- .": [4, 3, 1, 3],
                    "--.": [8, 3, 1, 3],
                    "--..": [8, 3, 1, 3, 1, 3]
                },
                node = o.node,
                attrs = o.attrs,
                rot = o.rotate(),
                addDashes = function (o, value) {
                    value = dasharray[lowerCase.call(value)];
                    if (value) {
                        var width = o.attrs["stroke-width"] || "1",
                            butt = {round: width, square: width, butt: 0}[o.attrs["stroke-linecap"] || params["stroke-linecap"]] || 0,
                            dashes = [];
                        var i = value[length];
                        while (i--) {
                            dashes[i] = value[i] * width + ((i % 2) ? 1 : -1) * butt;
                        }
                        $(node, {"stroke-dasharray": dashes[join](",")});
                    }
                };
            params[has]("rotation") && (rot = params.rotation);
            var rotxy = Str(rot)[split](separator);
            if (!(rotxy.length - 1)) {
                rotxy = null;
            } else {
                rotxy[1] = +rotxy[1];
                rotxy[2] = +rotxy[2];
            }
            toFloat(rot) && o.rotate(0, true);
            for (var att in params) {
                if (params[has](att)) {
                    if (!availableAttrs[has](att)) {
                        continue;
                    }
                    var value = params[att];
                    attrs[att] = value;
                    switch (att) {
                        case "blur":
                            o.blur(value);
                            break;
                        case "rotation":
                            o.rotate(value, true);
                            break;
                        case "href":
                        case "title":
                        case "target":
                            var pn = node.parentNode;
                            if (lowerCase.call(pn.tagName) != "a") {
                                var hl = $("a");
                                pn.insertBefore(hl, node);
                                hl[appendChild](node);
                                pn = hl;
                            }
                            if (att == "target" && value == "blank") {
                                pn.setAttributeNS(o.paper.xlink, "show", "new");
                            } else {
                                pn.setAttributeNS(o.paper.xlink, att, value);
                            }
                            break;
                        case "cursor":
                            node.style.cursor = value;
                            break;
                        case "clip-rect":
                            var rect = Str(value)[split](separator);
                            if (rect[length] == 4) {
                                o.clip && o.clip.parentNode.parentNode.removeChild(o.clip.parentNode);
                                var el = $("clipPath"),
                                    rc = $("rect");
                                el.id = createUUID();
                                $(rc, {
                                    x: rect[0],
                                    y: rect[1],
                                    width: rect[2],
                                    height: rect[3]
                                });
                                el[appendChild](rc);
                                o.paper.defs[appendChild](el);
                                $(node, {"clip-path": "url(#" + el.id + ")"});
                                o.clip = rc;
                            }
                            if (!value) {
                                var clip = doc.getElementById(node.getAttribute("clip-path")[rp](/(^url\(#|\)$)/g, E));
                                clip && clip.parentNode.removeChild(clip);
                                $(node, {"clip-path": E});
                                delete o.clip;
                            }
                        break;
                        case "path":
                            if (o.type == "path") {
                                $(node, {d: value ? attrs.path = pathToAbsolute(value) : "M0,0"});
                            }
                            break;
                        case "width":
                            node[setAttribute](att, value);
                            if (attrs.fx) {
                                att = "x";
                                value = attrs.x;
                            } else {
                                break;
                            }
                        case "x":
                            if (attrs.fx) {
                                value = -attrs.x - (attrs.width || 0);
                            }
                        case "rx":
                            if (att == "rx" && o.type == "rect") {
                                break;
                            }
                        case "cx":
                            rotxy && (att == "x" || att == "cx") && (rotxy[1] += value - attrs[att]);
                            node[setAttribute](att, value);
                            o.pattern && updatePosition(o);
                            break;
                        case "height":
                            node[setAttribute](att, value);
                            if (attrs.fy) {
                                att = "y";
                                value = attrs.y;
                            } else {
                                break;
                            }
                        case "y":
                            if (attrs.fy) {
                                value = -attrs.y - (attrs.height || 0);
                            }
                        case "ry":
                            if (att == "ry" && o.type == "rect") {
                                break;
                            }
                        case "cy":
                            rotxy && (att == "y" || att == "cy") && (rotxy[2] += value - attrs[att]);
                            node[setAttribute](att, value);
                            o.pattern && updatePosition(o);
                            break;
                        case "r":
                            if (o.type == "rect") {
                                $(node, {rx: value, ry: value});
                            } else {
                                node[setAttribute](att, value);
                            }
                            break;
                        case "src":
                            if (o.type == "image") {
                                node.setAttributeNS(o.paper.xlink, "href", value);
                            }
                            break;
                        case "stroke-width":
                            node.style.strokeWidth = value;
                            // Need following line for Firefox
                            node[setAttribute](att, value);
                            if (attrs["stroke-dasharray"]) {
                                addDashes(o, attrs["stroke-dasharray"]);
                            }
                            break;
                        case "stroke-dasharray":
                            addDashes(o, value);
                            break;
                        case "translation":
                            var xy = Str(value)[split](separator);
                            xy[0] = +xy[0] || 0;
                            xy[1] = +xy[1] || 0;
                            if (rotxy) {
                                rotxy[1] += xy[0];
                                rotxy[2] += xy[1];
                            }
                            translate.call(o, xy[0], xy[1]);
                            break;
                        case "scale":
                            xy = Str(value)[split](separator);
                            o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, isNaN(toFloat(xy[2])) ? null : +xy[2], isNaN(toFloat(xy[3])) ? null : +xy[3]);
                            break;
                        case fillString:
                            var isURL = Str(value).match(ISURL);
                            if (isURL) {
                                el = $("pattern");
                                var ig = $("image");
                                el.id = createUUID();
                                $(el, {x: 0, y: 0, patternUnits: "userSpaceOnUse", height: 1, width: 1});
                                $(ig, {x: 0, y: 0});
                                ig.setAttributeNS(o.paper.xlink, "href", isURL[1]);
                                el[appendChild](ig);
 
                                var img = doc.createElement("img");
                                img.style.cssText = "position:absolute;left:-9999em;top-9999em";
                                img.onload = function () {
                                    $(el, {width: this.offsetWidth, height: this.offsetHeight});
                                    $(ig, {width: this.offsetWidth, height: this.offsetHeight});
                                    doc.body.removeChild(this);
                                    o.paper.safari();
                                };
                                doc.body[appendChild](img);
                                img.src = isURL[1];
                                o.paper.defs[appendChild](el);
                                node.style.fill = "url(#" + el.id + ")";
                                $(node, {fill: "url(#" + el.id + ")"});
                                o.pattern = el;
                                o.pattern && updatePosition(o);
                                break;
                            }
                            var clr = R.getRGB(value);
                            if (!clr.error) {
                                delete params.gradient;
                                delete attrs.gradient;
                                !R.is(attrs.opacity, "undefined") &&
                                    R.is(params.opacity, "undefined") &&
                                    $(node, {opacity: attrs.opacity});
                                !R.is(attrs["fill-opacity"], "undefined") &&
                                    R.is(params["fill-opacity"], "undefined") &&
                                    $(node, {"fill-opacity": attrs["fill-opacity"]});
                            } else if ((({circle: 1, ellipse: 1})[has](o.type) || Str(value).charAt() != "r") && addGradientFill(node, value, o.paper)) {
                                attrs.gradient = value;
                                attrs.fill = "none";
                                break;
                            }
                            clr[has]("opacity") && $(node, {"fill-opacity": clr.opacity > 1 ? clr.opacity / 100 : clr.opacity});
                        case "stroke":
                            clr = R.getRGB(value);
                            node[setAttribute](att, clr.hex);
                            att == "stroke" && clr[has]("opacity") && $(node, {"stroke-opacity": clr.opacity > 1 ? clr.opacity / 100 : clr.opacity});
                            break;
                        case "gradient":
                            (({circle: 1, ellipse: 1})[has](o.type) || Str(value).charAt() != "r") && addGradientFill(node, value, o.paper);
                            break;
                        case "opacity":
                            if (attrs.gradient && !attrs[has]("stroke-opacity")) {
                                $(node, {"stroke-opacity": value > 1 ? value / 100 : value});
                            }
                            // fall
                        case "fill-opacity":
                            if (attrs.gradient) {
                                var gradient = doc.getElementById(node.getAttribute(fillString)[rp](/^url\(#|\)$/g, E));
                                if (gradient) {
                                    var stops = gradient.getElementsByTagName("stop");
                                    stops[stops[length] - 1][setAttribute]("stop-opacity", value);
                                }
                                break;
                            }
                        default:
                            att == "font-size" && (value = toInt(value, 10) + "px");
                            var cssrule = att[rp](/(\-.)/g, function (w) {
                                return upperCase.call(w.substring(1));
                            });
                            node.style[cssrule] = value;
                            // Need following line for Firefox
                            node[setAttribute](att, value);
                            break;
                    }
                }
            }
            
            tuneText(o, params);
            if (rotxy) {
                o.rotate(rotxy.join(S));
            } else {
                toFloat(rot) && o.rotate(rot, true);
            }
        };
        var leading = 1.2,
        tuneText = function (el, params) {
            if (el.type != "text" || !(params[has]("text") || params[has]("font") || params[has]("font-size") || params[has]("x") || params[has]("y"))) {
                return;
            }
            var a = el.attrs,
                node = el.node,
                fontSize = node.firstChild ? toInt(doc.defaultView.getComputedStyle(node.firstChild, E).getPropertyValue("font-size"), 10) : 10;
 
            if (params[has]("text")) {
                a.text = params.text;
                while (node.firstChild) {
                    node.removeChild(node.firstChild);
                }
                var texts = Str(params.text)[split]("\n");
                for (var i = 0, ii = texts[length]; i < ii; i++) if (texts[i]) {
                    var tspan = $("tspan");
                    i && $(tspan, {dy: fontSize * leading, x: a.x});
                    tspan[appendChild](doc.createTextNode(texts[i]));
                    node[appendChild](tspan);
                }
            } else {
                texts = node.getElementsByTagName("tspan");
                for (i = 0, ii = texts[length]; i < ii; i++) {
                    i && $(texts[i], {dy: fontSize * leading, x: a.x});
                }
            }
            $(node, {y: a.y});
            var bb = el.getBBox(),
                dif = a.y - (bb.y + bb.height / 2);
            dif && R.is(dif, "finite") && $(node, {y: a.y + dif});
        },
        Element = function (node, svg) {
            var X = 0,
                Y = 0;
            this[0] = node;
            this.id = R._oid++;
            this.node = node;
            node.raphael = this;
            this.paper = svg;
            this.attrs = this.attrs || {};
            this.transformations = []; // rotate, translate, scale
            this._ = {
                tx: 0,
                ty: 0,
                rt: {deg: 0, cx: 0, cy: 0},
                sx: 1,
                sy: 1
            };
            !svg.bottom && (svg.bottom = this);
            this.prev = svg.top;
            svg.top && (svg.top.next = this);
            svg.top = this;
            this.next = null;
        };
        var elproto = Element[proto];
        Element[proto].rotate = function (deg, cx, cy) {
            if (this.removed) {
                return this;
            }
            if (deg == null) {
                if (this._.rt.cx) {
                    return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);
                }
                return this._.rt.deg;
            }
            var bbox = this.getBBox();
            deg = Str(deg)[split](separator);
            if (deg[length] - 1) {
                cx = toFloat(deg[1]);
                cy = toFloat(deg[2]);
            }
            deg = toFloat(deg[0]);
            if (cx != null && cx !== false) {
                this._.rt.deg = deg;
            } else {
                this._.rt.deg += deg;
            }
            (cy == null) && (cx = null);
            this._.rt.cx = cx;
            this._.rt.cy = cy;
            cx = cx == null ? bbox.x + bbox.width / 2 : cx;
            cy = cy == null ? bbox.y + bbox.height / 2 : cy;
            if (this._.rt.deg) {
                this.transformations[0] = R.format("rotate({0} {1} {2})", this._.rt.deg, cx, cy);
                this.clip && $(this.clip, {transform: R.format("rotate({0} {1} {2})", -this._.rt.deg, cx, cy)});
            } else {
                this.transformations[0] = E;
                this.clip && $(this.clip, {transform: E});
            }
            $(this.node, {transform: this.transformations[join](S)});
            return this;
        };
        Element[proto].hide = function () {
            !this.removed && (this.node.style.display = "none");
            return this;
        };
        Element[proto].show = function () {
            !this.removed && (this.node.style.display = "");
            return this;
        };
        Element[proto].remove = function () {
            if (this.removed) {
                return;
            }
            tear(this, this.paper);
            this.node.parentNode.removeChild(this.node);
            for (var i in this) {
                delete this[i];
            }
            this.removed = true;
        };
        Element[proto].getBBox = function () {
            if (this.removed) {
                return this;
            }
            if (this.type == "path") {
                return pathDimensions(this.attrs.path);
            }
            if (this.node.style.display == "none") {
                this.show();
                var hide = true;
            }
            var bbox = {};
            try {
                bbox = this.node.getBBox();
            } catch(e) {
                // Firefox 3.0.x plays badly here
            } finally {
                bbox = bbox || {};
            }
            if (this.type == "text") {
                bbox = {x: bbox.x, y: Infinity, width: 0, height: 0};
                for (var i = 0, ii = this.node.getNumberOfChars(); i < ii; i++) {
                    var bb = this.node.getExtentOfChar(i);
                    (bb.y < bbox.y) && (bbox.y = bb.y);
                    (bb.y + bb.height - bbox.y > bbox.height) && (bbox.height = bb.y + bb.height - bbox.y);
                    (bb.x + bb.width - bbox.x > bbox.width) && (bbox.width = bb.x + bb.width - bbox.x);
                }
            }
            hide && this.hide();
            return bbox;
        };
        Element[proto].attr = function (name, value) {
            if (this.removed) {
                return this;
            }
            if (name == null) {
                var res = {};
                for (var i in this.attrs) if (this.attrs[has](i)) {
                    res[i] = this.attrs[i];
                }
                this._.rt.deg && (res.rotation = this.rotate());
                (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());
                res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;
                return res;
            }
            if (value == null && R.is(name, string)) {
                if (name == "translation") {
                    return translate.call(this);
                }
                if (name == "rotation") {
                    return this.rotate();
                }
                if (name == "scale") {
                    return this.scale();
                }
                if (name == fillString && this.attrs.fill == "none" && this.attrs.gradient) {
                    return this.attrs.gradient;
                }
                return this.attrs[name];
            }
            if (value == null && R.is(name, array)) {
                var values = {};
                for (var j = 0, jj = name.length; j < jj; j++) {
                    values[name[j]] = this.attr(name[j]);
                }
                return values;
            }
            if (value != null) {
                var params = {};
                params[name] = value;
            } else if (name != null && R.is(name, "object")) {
                params = name;
            }
            for (var key in this.paper.customAttributes) if (this.paper.customAttributes[has](key) && params[has](key) && R.is(this.paper.customAttributes[key], "function")) {
                var par = this.paper.customAttributes[key].apply(this, [][concat](params[key]));
                this.attrs[key] = params[key];
                for (var subkey in par) if (par[has](subkey)) {
                    params[subkey] = par[subkey];
                }
            }
            setFillAndStroke(this, params);
            return this;
        };
        Element[proto].toFront = function () {
            if (this.removed) {
                return this;
            }
            this.node.parentNode[appendChild](this.node);
            var svg = this.paper;
            svg.top != this && tofront(this, svg);
            return this;
        };
        Element[proto].toBack = function () {
            if (this.removed) {
                return this;
            }
            if (this.node.parentNode.firstChild != this.node) {
                this.node.parentNode.insertBefore(this.node, this.node.parentNode.firstChild);
                toback(this, this.paper);
                var svg = this.paper;
            }
            return this;
        };
        Element[proto].insertAfter = function (element) {
            if (this.removed) {
                return this;
            }
            var node = element.node || element[element.length - 1].node;
            if (node.nextSibling) {
                node.parentNode.insertBefore(this.node, node.nextSibling);
            } else {
                node.parentNode[appendChild](this.node);
            }
            insertafter(this, element, this.paper);
            return this;
        };
        Element[proto].insertBefore = function (element) {
            if (this.removed) {
                return this;
            }
            var node = element.node || element[0].node;
            node.parentNode.insertBefore(this.node, node);
            insertbefore(this, element, this.paper);
            return this;
        };
        Element[proto].blur = function (size) {
            // Experimental. No Safari support. Use it on your own risk.
            var t = this;
            if (+size !== 0) {
                var fltr = $("filter"),
                    blur = $("feGaussianBlur");
                t.attrs.blur = size;
                fltr.id = createUUID();
                $(blur, {stdDeviation: +size || 1.5});
                fltr.appendChild(blur);
                t.paper.defs.appendChild(fltr);
                t._blur = fltr;
                $(t.node, {filter: "url(#" + fltr.id + ")"});
            } else {
                if (t._blur) {
                    t._blur.parentNode.removeChild(t._blur);
                    delete t._blur;
                    delete t.attrs.blur;
                }
                t.node.removeAttribute("filter");
            }
        };
        var theCircle = function (svg, x, y, r) {
            var el = $("circle");
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {cx: x, cy: y, r: r, fill: "none", stroke: "#000"};
            res.type = "circle";
            $(el, res.attrs);
            return res;
        },
        theRect = function (svg, x, y, w, h, r) {
            var el = $("rect");
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {x: x, y: y, width: w, height: h, r: r || 0, rx: r || 0, ry: r || 0, fill: "none", stroke: "#000"};
            res.type = "rect";
            $(el, res.attrs);
            return res;
        },
        theEllipse = function (svg, x, y, rx, ry) {
            var el = $("ellipse");
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {cx: x, cy: y, rx: rx, ry: ry, fill: "none", stroke: "#000"};
            res.type = "ellipse";
            $(el, res.attrs);
            return res;
        },
        theImage = function (svg, src, x, y, w, h) {
            var el = $("image");
            $(el, {x: x, y: y, width: w, height: h, preserveAspectRatio: "none"});
            el.setAttributeNS(svg.xlink, "href", src);
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {x: x, y: y, width: w, height: h, src: src};
            res.type = "image";
            return res;
        },
        theText = function (svg, x, y, text) {
            var el = $("text");
            $(el, {x: x, y: y, "text-anchor": "middle"});
            svg.canvas && svg.canvas[appendChild](el);
            var res = new Element(el, svg);
            res.attrs = {x: x, y: y, "text-anchor": "middle", text: text, font: availableAttrs.font, stroke: "none", fill: "#000"};
            res.type = "text";
            setFillAndStroke(res, res.attrs);
            return res;
        },
        setSize = function (width, height) {
            this.width = width || this.width;
            this.height = height || this.height;
            this.canvas[setAttribute]("width", this.width);
            this.canvas[setAttribute]("height", this.height);
            return this;
        },
        create = function () {
            var con = getContainer[apply](0, arguments),
                container = con && con.container,
                x = con.x,
                y = con.y,
                width = con.width,
                height = con.height;
            if (!container) {
                throw new Error("SVG container not found.");
            }
            var cnvs = $("svg");
            x = x || 0;
            y = y || 0;
            width = width || 512;
            height = height || 342;
            $(cnvs, {
                xmlns: "http://www.w3.org/2000/svg",
                version: 1.1,
                width: width,
                height: height
            });
            if (container == 1) {
                cnvs.style.cssText = "position:absolute;left:" + x + "px;top:" + y + "px";
                doc.body[appendChild](cnvs);
            } else {
                if (container.firstChild) {
                    container.insertBefore(cnvs, container.firstChild);
                } else {
                    container[appendChild](cnvs);
                }
            }
            container = new Paper;
            container.width = width;
            container.height = height;
            container.canvas = cnvs;
            plugins.call(container, container, R.fn);
            container.clear();
            return container;
        };
        paperproto.clear = function () {
            var c = this.canvas;
            while (c.firstChild) {
                c.removeChild(c.firstChild);
            }
            this.bottom = this.top = null;
            (this.desc = $("desc"))[appendChild](doc.createTextNode("Created with Rapha\xebl"));
            c[appendChild](this.desc);
            c[appendChild](this.defs = $("defs"));
        };
        paperproto.remove = function () {
            this.canvas.parentNode && this.canvas.parentNode.removeChild(this.canvas);
            for (var i in this) {
                this[i] = removed(i);
            }
        };
    }

    // VML
    if (R.vml) {
        var map = {M: "m", L: "l", C: "c", Z: "x", m: "t", l: "r", c: "v", z: "x"},
            bites = /([clmz]),?([^clmz]*)/gi,
            blurregexp = / progid:\S+Blur\([^\)]+\)/g,
            val = /-?[^,\s-]+/g,
            coordsize = 1e3 + S + 1e3,
            zoom = 10,
            pathlike = {path: 1, rect: 1},
            path2vml = function (path) {
                var total =  /[ahqstv]/ig,
                    command = pathToAbsolute;
                Str(path).match(total) && (command = path2curve);
                total = /[clmz]/g;
                if (command == pathToAbsolute && !Str(path).match(total)) {
                    var res = Str(path)[rp](bites, function (all, command, args) {
                        var vals = [],
                            isMove = lowerCase.call(command) == "m",
                            res = map[command];
                        args[rp](val, function (value) {
                            if (isMove && vals[length] == 2) {
                                res += vals + map[command == "m" ? "l" : "L"];
                                vals = [];
                            }
                            vals[push](round(value * zoom));
                        });
                        return res + vals;
                    });
                    return res;
                }
                var pa = command(path), p, r;
                res = [];
                for (var i = 0, ii = pa[length]; i < ii; i++) {
                    p = pa[i];
                    r = lowerCase.call(pa[i][0]);
                    r == "z" && (r = "x");
                    for (var j = 1, jj = p[length]; j < jj; j++) {
                        r += round(p[j] * zoom) + (j != jj - 1 ? "," : E);
                    }
                    res[push](r);
                }
                return res[join](S);
            };
        
        R[toString] = function () {
            return  "Your browser doesn\u2019t support SVG. Falling down to VML.\nYou are running Rapha\xebl " + this.version;
        };
        thePath = function (pathString, vml) {
            var g = createNode("group");
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = vml.coordsize;
            g.coordorigin = vml.coordorigin;
            var el = createNode("shape"), ol = el.style;
            ol.width = vml.width + "px";
            ol.height = vml.height + "px";
            el.coordsize = coordsize;
            el.coordorigin = vml.coordorigin;
            g[appendChild](el);
            var p = new Element(el, g, vml),
                attr = {fill: "none", stroke: "#000"};
            pathString && (attr.path = pathString);
            p.type = "path";
            p.path = [];
            p.Path = E;
            setFillAndStroke(p, attr);
            vml.canvas[appendChild](g);
            return p;
        };
        setFillAndStroke = function (o, params) {
            o.attrs = o.attrs || {};
            var node = o.node,
                a = o.attrs,
                s = node.style,
                xy,
                newpath = (params.x != a.x || params.y != a.y || params.width != a.width || params.height != a.height || params.r != a.r) && o.type == "rect",
                res = o;

            for (var par in params) if (params[has](par)) {
                a[par] = params[par];
            }
            if (newpath) {
                a.path = rectPath(a.x, a.y, a.width, a.height, a.r);
                o.X = a.x;
                o.Y = a.y;
                o.W = a.width;
                o.H = a.height;
            }
            params.href && (node.href = params.href);
            params.title && (node.title = params.title);
            params.target && (node.target = params.target);
            params.cursor && (s.cursor = params.cursor);
            "blur" in params && o.blur(params.blur);
            if (params.path && o.type == "path" || newpath) {
                node.path = path2vml(a.path);
            }
            if (params.rotation != null) {
                o.rotate(params.rotation, true);
            }
            if (params.translation) {
                xy = Str(params.translation)[split](separator);
                translate.call(o, xy[0], xy[1]);
                if (o._.rt.cx != null) {
                    o._.rt.cx +=+ xy[0];
                    o._.rt.cy +=+ xy[1];
                    o.setBox(o.attrs, xy[0], xy[1]);
                }
            }
            if (params.scale) {
                xy = Str(params.scale)[split](separator);
                o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);
            }
            if ("clip-rect" in params) {
                var rect = Str(params["clip-rect"])[split](separator);
                if (rect[length] == 4) {
                    rect[2] = +rect[2] + (+rect[0]);
                    rect[3] = +rect[3] + (+rect[1]);
                    var div = node.clipRect || doc.createElement("div"),
                        dstyle = div.style,
                        group = node.parentNode;
                    dstyle.clip = R.format("rect({1}px {2}px {3}px {0}px)", rect);
                    if (!node.clipRect) {
                        dstyle.position = "absolute";
                        dstyle.top = 0;
                        dstyle.left = 0;
                        dstyle.width = o.paper.width + "px";
                        dstyle.height = o.paper.height + "px";
                        group.parentNode.insertBefore(div, group);
                        div[appendChild](group);
                        node.clipRect = div;
                    }
                }
                if (!params["clip-rect"]) {
                    node.clipRect && (node.clipRect.style.clip = E);
                }
            }
            if (o.type == "image" && params.src) {
                node.src = params.src;
            }
            if (o.type == "image" && params.opacity) {
                node.filterOpacity = ms + ".Alpha(opacity=" + (params.opacity * 100) + ")";
                s.filter = (node.filterMatrix || E) + (node.filterOpacity || E);
            }
            params.font && (s.font = params.font);
            params["font-family"] && (s.fontFamily = '"' + params["font-family"][split](",")[0][rp](/^['"]+|['"]+$/g, E) + '"');
            params["font-size"] && (s.fontSize = params["font-size"]);
            params["font-weight"] && (s.fontWeight = params["font-weight"]);
            params["font-style"] && (s.fontStyle = params["font-style"]);
            if (params.opacity != null || 
                params["stroke-width"] != null ||
                params.fill != null ||
                params.stroke != null ||
                params["stroke-width"] != null ||
                params["stroke-opacity"] != null ||
                params["fill-opacity"] != null ||
                params["stroke-dasharray"] != null ||
                params["stroke-miterlimit"] != null ||
                params["stroke-linejoin"] != null ||
                params["stroke-linecap"] != null) {
                node = o.shape || node;
                var fill = (node.getElementsByTagName(fillString) && node.getElementsByTagName(fillString)[0]),
                    newfill = false;
                !fill && (newfill = fill = createNode(fillString));
                if ("fill-opacity" in params || "opacity" in params) {
                    var opacity = ((+a["fill-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+R.getRGB(params.fill).o + 1 || 2) - 1);
                    opacity = mmin(mmax(opacity, 0), 1);
                    fill.opacity = opacity;
                }
                params.fill && (fill.on = true);
                if (fill.on == null || params.fill == "none") {
                    fill.on = false;
                }
                if (fill.on && params.fill) {
                    var isURL = params.fill.match(ISURL);
                    if (isURL) {
                        fill.src = isURL[1];
                        fill.type = "tile";
                    } else {
                        fill.color = R.getRGB(params.fill).hex;
                        fill.src = E;
                        fill.type = "solid";
                        if (R.getRGB(params.fill).error && (res.type in {circle: 1, ellipse: 1} || Str(params.fill).charAt() != "r") && addGradientFill(res, params.fill)) {
                            a.fill = "none";
                            a.gradient = params.fill;
                        }
                    }
                }
                newfill && node[appendChild](fill);
                var stroke = (node.getElementsByTagName("stroke") && node.getElementsByTagName("stroke")[0]),
                newstroke = false;
                !stroke && (newstroke = stroke = createNode("stroke"));
                if ((params.stroke && params.stroke != "none") ||
                    params["stroke-width"] ||
                    params["stroke-opacity"] != null ||
                    params["stroke-dasharray"] ||
                    params["stroke-miterlimit"] ||
                    params["stroke-linejoin"] ||
                    params["stroke-linecap"]) {
                    stroke.on = true;
                }
                (params.stroke == "none" || stroke.on == null || params.stroke == 0 || params["stroke-width"] == 0) && (stroke.on = false);
                var strokeColor = R.getRGB(params.stroke);
                stroke.on && params.stroke && (stroke.color = strokeColor.hex);
                opacity = ((+a["stroke-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+strokeColor.o + 1 || 2) - 1);
                var width = (toFloat(params["stroke-width"]) || 1) * .75;
                opacity = mmin(mmax(opacity, 0), 1);
                params["stroke-width"] == null && (width = a["stroke-width"]);
                params["stroke-width"] && (stroke.weight = width);
                width && width < 1 && (opacity *= width) && (stroke.weight = 1);
                stroke.opacity = opacity;
                
                params["stroke-linejoin"] && (stroke.joinstyle = params["stroke-linejoin"] || "miter");
                stroke.miterlimit = params["stroke-miterlimit"] || 8;
                params["stroke-linecap"] && (stroke.endcap = params["stroke-linecap"] == "butt" ? "flat" : params["stroke-linecap"] == "square" ? "square" : "round");
                if (params["stroke-dasharray"]) {
                    var dasharray = {
                        "-": "shortdash",
                        ".": "shortdot",
                        "-.": "shortdashdot",
                        "-..": "shortdashdotdot",
                        ". ": "dot",
                        "- ": "dash",
                        "--": "longdash",
                        "- .": "dashdot",
                        "--.": "longdashdot",
                        "--..": "longdashdotdot"
                    };
                    stroke.dashstyle = dasharray[has](params["stroke-dasharray"]) ? dasharray[params["stroke-dasharray"]] : E;
                }
                newstroke && node[appendChild](stroke);
            }
            if (res.type == "text") {
                s = res.paper.span.style;
                a.font && (s.font = a.font);
                a["font-family"] && (s.fontFamily = a["font-family"]);
                a["font-size"] && (s.fontSize = a["font-size"]);
                a["font-weight"] && (s.fontWeight = a["font-weight"]);
                a["font-style"] && (s.fontStyle = a["font-style"]);
                res.node.string && (res.paper.span.innerHTML = Str(res.node.string)[rp](/</g, "&#60;")[rp](/&/g, "&#38;")[rp](/\n/g, "<br>"));
                res.W = a.w = res.paper.span.offsetWidth;
                res.H = a.h = res.paper.span.offsetHeight;
                res.X = a.x;
                res.Y = a.y + round(res.H / 2);
 
                // text-anchor emulationm
                switch (a["text-anchor"]) {
                    case "start":
                        res.node.style["v-text-align"] = "left";
                        res.bbx = round(res.W / 2);
                    break;
                    case "end":
                        res.node.style["v-text-align"] = "right";
                        res.bbx = -round(res.W / 2);
                    break;
                    default:
                        res.node.style["v-text-align"] = "center";
                    break;
                }
            }
        };
        addGradientFill = function (o, gradient) {
            o.attrs = o.attrs || {};
            var attrs = o.attrs,
                fill,
                type = "linear",
                fxfy = ".5 .5";
            o.attrs.gradient = gradient;
            gradient = Str(gradient)[rp](radial_gradient, function (all, fx, fy) {
                type = "radial";
                if (fx && fy) {
                    fx = toFloat(fx);
                    fy = toFloat(fy);
                    pow(fx - .5, 2) + pow(fy - .5, 2) > .25 && (fy = math.sqrt(.25 - pow(fx - .5, 2)) * ((fy > .5) * 2 - 1) + .5);
                    fxfy = fx + S + fy;
                }
                return E;
            });
            gradient = gradient[split](/\s*\-\s*/);
            if (type == "linear") {
                var angle = gradient.shift();
                angle = -toFloat(angle);
                if (isNaN(angle)) {
                    return null;
                }
            }
            var dots = parseDots(gradient);
            if (!dots) {
                return null;
            }
            o = o.shape || o.node;
            fill = o.getElementsByTagName(fillString)[0] || createNode(fillString);
            !fill.parentNode && o.appendChild(fill);
            if (dots[length]) {
                fill.on = true;
                fill.method = "none";
                fill.color = dots[0].color;
                fill.color2 = dots[dots[length] - 1].color;
                var clrs = [];
                for (var i = 0, ii = dots[length]; i < ii; i++) {
                    dots[i].offset && clrs[push](dots[i].offset + S + dots[i].color);
                }
                fill.colors && (fill.colors.value = clrs[length] ? clrs[join]() : "0% " + fill.color);
                if (type == "radial") {
                    fill.type = "gradientradial";
                    fill.focus = "100%";
                    fill.focussize = fxfy;
                    fill.focusposition = fxfy;
                } else {
                    fill.type = "gradient";
                    fill.angle = (270 - angle) % 360;
                }
            }
            return 1;
        };
        Element = function (node, group, vml) {
            var Rotation = 0,
                RotX = 0,
                RotY = 0,
                Scale = 1;
            this[0] = node;
            this.id = R._oid++;
            this.node = node;
            node.raphael = this;
            this.X = 0;
            this.Y = 0;
            this.attrs = {};
            this.Group = group;
            this.paper = vml;
            this._ = {
                tx: 0,
                ty: 0,
                rt: {deg:0},
                sx: 1,
                sy: 1
            };
            !vml.bottom && (vml.bottom = this);
            this.prev = vml.top;
            vml.top && (vml.top.next = this);
            vml.top = this;
            this.next = null;
        };
        elproto = Element[proto];
        elproto.rotate = function (deg, cx, cy) {
            if (this.removed) {
                return this;
            }
            if (deg == null) {
                if (this._.rt.cx) {
                    return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);
                }
                return this._.rt.deg;
            }
            deg = Str(deg)[split](separator);
            if (deg[length] - 1) {
                cx = toFloat(deg[1]);
                cy = toFloat(deg[2]);
            }
            deg = toFloat(deg[0]);
            if (cx != null) {
                this._.rt.deg = deg;
            } else {
                this._.rt.deg += deg;
            }
            cy == null && (cx = null);
            this._.rt.cx = cx;
            this._.rt.cy = cy;
            this.setBox(this.attrs, cx, cy);
            this.Group.style.rotation = this._.rt.deg;
            // gradient fix for rotation. TODO
            // var fill = (this.shape || this.node).getElementsByTagName(fillString);
            // fill = fill[0] || {};
            // var b = ((360 - this._.rt.deg) - 270) % 360;
            // !R.is(fill.angle, "undefined") && (fill.angle = b);
            return this;
        };
        elproto.setBox = function (params, cx, cy) {
            if (this.removed) {
                return this;
            }
            var gs = this.Group.style,
                os = (this.shape && this.shape.style) || this.node.style;
            params = params || {};
            for (var i in params) if (params[has](i)) {
                this.attrs[i] = params[i];
            }
            cx = cx || this._.rt.cx;
            cy = cy || this._.rt.cy;
            var attr = this.attrs,
                x,
                y,
                w,
                h;
            switch (this.type) {
                case "circle":
                    x = attr.cx - attr.r;
                    y = attr.cy - attr.r;
                    w = h = attr.r * 2;
                    break;
                case "ellipse":
                    x = attr.cx - attr.rx;
                    y = attr.cy - attr.ry;
                    w = attr.rx * 2;
                    h = attr.ry * 2;
                    break;
                case "image":
                    x = +attr.x;
                    y = +attr.y;
                    w = attr.width || 0;
                    h = attr.height || 0;
                    break;
                case "text":
                    this.textpath.v = ["m", round(attr.x), ", ", round(attr.y - 2), "l", round(attr.x) + 1, ", ", round(attr.y - 2)][join](E);
                    x = attr.x - round(this.W / 2);
                    y = attr.y - this.H / 2;
                    w = this.W;
                    h = this.H;
                    break;
                case "rect":
                case "path":
                    if (!this.attrs.path) {
                        x = 0;
                        y = 0;
                        w = this.paper.width;
                        h = this.paper.height;
                    } else {
                        var dim = pathDimensions(this.attrs.path);
                        x = dim.x;
                        y = dim.y;
                        w = dim.width;
                        h = dim.height;
                    }
                    break;
                default:
                    x = 0;
                    y = 0;
                    w = this.paper.width;
                    h = this.paper.height;
                    break;
            }
            cx = (cx == null) ? x + w / 2 : cx;
            cy = (cy == null) ? y + h / 2 : cy;
            var left = cx - this.paper.width / 2,
                top = cy - this.paper.height / 2, t;
            gs.left != (t = left + "px") && (gs.left = t);
            gs.top != (t = top + "px") && (gs.top = t);
            this.X = pathlike[has](this.type) ? -left : x;
            this.Y = pathlike[has](this.type) ? -top : y;
            this.W = w;
            this.H = h;
            if (pathlike[has](this.type)) {
                os.left != (t = -left * zoom + "px") && (os.left = t);
                os.top != (t = -top * zoom + "px") && (os.top = t);
            } else if (this.type == "text") {
                os.left != (t = -left + "px") && (os.left = t);
                os.top != (t = -top + "px") && (os.top = t);
            } else {
                gs.width != (t = this.paper.width + "px") && (gs.width = t);
                gs.height != (t = this.paper.height + "px") && (gs.height = t);
                os.left != (t = x - left + "px") && (os.left = t);
                os.top != (t = y - top + "px") && (os.top = t);
                os.width != (t = w + "px") && (os.width = t);
                os.height != (t = h + "px") && (os.height = t);
            }
        };
        elproto.hide = function () {
            !this.removed && (this.Group.style.display = "none");
            return this;
        };
        elproto.show = function () {
            !this.removed && (this.Group.style.display = "block");
            return this;
        };
        elproto.getBBox = function () {
            if (this.removed) {
                return this;
            }
            if (pathlike[has](this.type)) {
                return pathDimensions(this.attrs.path);
            }
            return {
                x: this.X + (this.bbx || 0),
                y: this.Y,
                width: this.W,
                height: this.H
            };
        };
        elproto.remove = function () {
            if (this.removed) {
                return;
            }
            tear(this, this.paper);
            this.node.parentNode.removeChild(this.node);
            this.Group.parentNode.removeChild(this.Group);
            this.shape && this.shape.parentNode.removeChild(this.shape);
            for (var i in this) {
                delete this[i];
            }
            this.removed = true;
        };
        elproto.attr = function (name, value) {
            if (this.removed) {
                return this;
            }
            if (name == null) {
                var res = {};
                for (var i in this.attrs) if (this.attrs[has](i)) {
                    res[i] = this.attrs[i];
                }
                this._.rt.deg && (res.rotation = this.rotate());
                (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());
                res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;
                return res;
            }
            if (value == null && R.is(name, "string")) {
                if (name == "translation") {
                    return translate.call(this);
                }
                if (name == "rotation") {
                    return this.rotate();
                }
                if (name == "scale") {
                    return this.scale();
                }
                if (name == fillString && this.attrs.fill == "none" && this.attrs.gradient) {
                    return this.attrs.gradient;
                }
                return this.attrs[name];
            }
            if (this.attrs && value == null && R.is(name, array)) {
                var ii, values = {};
                for (i = 0, ii = name[length]; i < ii; i++) {
                    values[name[i]] = this.attr(name[i]);
                }
                return values;
            }
            var params;
            if (value != null) {
                params = {};
                params[name] = value;
            }
            value == null && R.is(name, "object") && (params = name);
            if (params) {
                for (var key in this.paper.customAttributes) if (this.paper.customAttributes[has](key) && params[has](key) && R.is(this.paper.customAttributes[key], "function")) {
                    var par = this.paper.customAttributes[key].apply(this, [][concat](params[key]));
                    this.attrs[key] = params[key];
                    for (var subkey in par) if (par[has](subkey)) {
                        params[subkey] = par[subkey];
                    }
                }
                if (params.text && this.type == "text") {
                    this.node.string = params.text;
                }
                setFillAndStroke(this, params);
                if (params.gradient && (({circle: 1, ellipse: 1})[has](this.type) || Str(params.gradient).charAt() != "r")) {
                    addGradientFill(this, params.gradient);
                }
                (!pathlike[has](this.type) || this._.rt.deg) && this.setBox(this.attrs);
            }
            return this;
        };
        elproto.toFront = function () {
            !this.removed && this.Group.parentNode[appendChild](this.Group);
            this.paper.top != this && tofront(this, this.paper);
            return this;
        };
        elproto.toBack = function () {
            if (this.removed) {
                return this;
            }
            if (this.Group.parentNode.firstChild != this.Group) {
                this.Group.parentNode.insertBefore(this.Group, this.Group.parentNode.firstChild);
                toback(this, this.paper);
            }
            return this;
        };
        elproto.insertAfter = function (element) {
            if (this.removed) {
                return this;
            }
            if (element.constructor == Set) {
                element = element[element.length - 1];
            }
            if (element.Group.nextSibling) {
                element.Group.parentNode.insertBefore(this.Group, element.Group.nextSibling);
            } else {
                element.Group.parentNode[appendChild](this.Group);
            }
            insertafter(this, element, this.paper);
            return this;
        };
        elproto.insertBefore = function (element) {
            if (this.removed) {
                return this;
            }
            if (element.constructor == Set) {
                element = element[0];
            }
            element.Group.parentNode.insertBefore(this.Group, element.Group);
            insertbefore(this, element, this.paper);
            return this;
        };
        elproto.blur = function (size) {
            var s = this.node.runtimeStyle,
                f = s.filter;
            f = f.replace(blurregexp, E);
            if (+size !== 0) {
                this.attrs.blur = size;
                s.filter = f + S + ms + ".Blur(pixelradius=" + (+size || 1.5) + ")";
                s.margin = R.format("-{0}px 0 0 -{0}px", round(+size || 1.5));
            } else {
                s.filter = f;
                s.margin = 0;
                delete this.attrs.blur;
            }
        };
 
        theCircle = function (vml, x, y, r) {
            var g = createNode("group"),
                o = createNode("oval"),
                ol = o.style;
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = coordsize;
            g.coordorigin = vml.coordorigin;
            g[appendChild](o);
            var res = new Element(o, g, vml);
            res.type = "circle";
            setFillAndStroke(res, {stroke: "#000", fill: "none"});
            res.attrs.cx = x;
            res.attrs.cy = y;
            res.attrs.r = r;
            res.setBox({x: x - r, y: y - r, width: r * 2, height: r * 2});
            vml.canvas[appendChild](g);
            return res;
        };
        function rectPath(x, y, w, h, r) {
            if (r) {
                return R.format("M{0},{1}l{2},0a{3},{3},0,0,1,{3},{3}l0,{5}a{3},{3},0,0,1,{4},{3}l{6},0a{3},{3},0,0,1,{4},{4}l0,{7}a{3},{3},0,0,1,{3},{4}z", x + r, y, w - r * 2, r, -r, h - r * 2, r * 2 - w, r * 2 - h);
            } else {
                return R.format("M{0},{1}l{2},0,0,{3},{4},0z", x, y, w, h, -w);
            }
        }
        theRect = function (vml, x, y, w, h, r) {
            var path = rectPath(x, y, w, h, r),
                res = vml.path(path),
                a = res.attrs;
            res.X = a.x = x;
            res.Y = a.y = y;
            res.W = a.width = w;
            res.H = a.height = h;
            a.r = r;
            a.path = path;
            res.type = "rect";
            return res;
        };
        theEllipse = function (vml, x, y, rx, ry) {
            var g = createNode("group"),
                o = createNode("oval"),
                ol = o.style;
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = coordsize;
            g.coordorigin = vml.coordorigin;
            g[appendChild](o);
            var res = new Element(o, g, vml);
            res.type = "ellipse";
            setFillAndStroke(res, {stroke: "#000"});
            res.attrs.cx = x;
            res.attrs.cy = y;
            res.attrs.rx = rx;
            res.attrs.ry = ry;
            res.setBox({x: x - rx, y: y - ry, width: rx * 2, height: ry * 2});
            vml.canvas[appendChild](g);
            return res;
        };
        theImage = function (vml, src, x, y, w, h) {
            var g = createNode("group"),
                o = createNode("image");
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = coordsize;
            g.coordorigin = vml.coordorigin;
            o.src = src;
            g[appendChild](o);
            var res = new Element(o, g, vml);
            res.type = "image";
            res.attrs.src = src;
            res.attrs.x = x;
            res.attrs.y = y;
            res.attrs.w = w;
            res.attrs.h = h;
            res.setBox({x: x, y: y, width: w, height: h});
            vml.canvas[appendChild](g);
            return res;
        };
        theText = function (vml, x, y, text) {
            var g = createNode("group"),
                el = createNode("shape"),
                ol = el.style,
                path = createNode("path"),
                ps = path.style,
                o = createNode("textpath");
            g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
            g.coordsize = coordsize;
            g.coordorigin = vml.coordorigin;
            path.v = R.format("m{0},{1}l{2},{1}", round(x * 10), round(y * 10), round(x * 10) + 1);
            path.textpathok = true;
            ol.width = vml.width;
            ol.height = vml.height;
            o.string = Str(text);
            o.on = true;
            el[appendChild](o);
            el[appendChild](path);
            g[appendChild](el);
            var res = new Element(o, g, vml);
            res.shape = el;
            res.textpath = path;
            res.type = "text";
            res.attrs.text = text;
            res.attrs.x = x;
            res.attrs.y = y;
            res.attrs.w = 1;
            res.attrs.h = 1;
            setFillAndStroke(res, {font: availableAttrs.font, stroke: "none", fill: "#000"});
            res.setBox();
            vml.canvas[appendChild](g);
            return res;
        };
        setSize = function (width, height) {
            var cs = this.canvas.style;
            width == +width && (width += "px");
            height == +height && (height += "px");
            cs.width = width;
            cs.height = height;
            cs.clip = "rect(0 " + width + " " + height + " 0)";
            return this;
        };
        var createNode;
        doc.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
        try {
            !doc.namespaces.rvml && doc.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
            createNode = function (tagName) {
                return doc.createElement('<rvml:' + tagName + ' class="rvml">');
            };
        } catch (e) {
            createNode = function (tagName) {
                return doc.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
            };
        }
        create = function () {
            var con = getContainer[apply](0, arguments),
                container = con.container,
                height = con.height,
                s,
                width = con.width,
                x = con.x,
                y = con.y;
            if (!container) {
                throw new Error("VML container not found.");
            }
            var res = new Paper,
                c = res.canvas = doc.createElement("div"),
                cs = c.style;
            x = x || 0;
            y = y || 0;
            width = width || 512;
            height = height || 342;
            width == +width && (width += "px");
            height == +height && (height += "px");
            res.width = 1e3;
            res.height = 1e3;
            res.coordsize = zoom * 1e3 + S + zoom * 1e3;
            res.coordorigin = "0 0";
            res.span = doc.createElement("span");
            res.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";
            c[appendChild](res.span);
            cs.cssText = R.format("top:0;left:0;width:{0};height:{1};display:inline-block;position:relative;clip:rect(0 {0} {1} 0);overflow:hidden", width, height);
            if (container == 1) {
                doc.body[appendChild](c);
                cs.left = x + "px";
                cs.top = y + "px";
                cs.position = "absolute";
            } else {
                if (container.firstChild) {
                    container.insertBefore(c, container.firstChild);
                } else {
                    container[appendChild](c);
                }
            }
            plugins.call(res, res, R.fn);
            return res;
        };
        paperproto.clear = function () {
            this.canvas.innerHTML = E;
            this.span = doc.createElement("span");
            this.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";
            this.canvas[appendChild](this.span);
            this.bottom = this.top = null;
        };
        paperproto.remove = function () {
            this.canvas.parentNode.removeChild(this.canvas);
            for (var i in this) {
                this[i] = removed(i);
            }
            return true;
        };
    }
 
    // rest
    // WebKit rendering bug workaround method
    var version = navigator.userAgent.match(/Version\/(.*?)\s/);
    if ((navigator.vendor == "Apple Computer, Inc.") && (version && version[1] < 4 || navigator.platform.slice(0, 2) == "iP")) {
        paperproto.safari = function () {
            var rect = this.rect(-99, -99, this.width + 99, this.height + 99).attr({stroke: "none"});
            win.setTimeout(function () {rect.remove();});
        };
    } else {
        paperproto.safari = function () {};
    }
 
    // Events
    var preventDefault = function () {
        this.returnValue = false;
    },
    preventTouch = function () {
        return this.originalEvent.preventDefault();
    },
    stopPropagation = function () {
        this.cancelBubble = true;
    },
    stopTouch = function () {
        return this.originalEvent.stopPropagation();
    },
    addEvent = (function () {
        if (doc.addEventListener) {
            return function (obj, type, fn, element) {
                var realName = supportsTouch && touchMap[type] ? touchMap[type] : type;
                var f = function (e) {
                    if (supportsTouch && touchMap[has](type)) {
                        for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {
                            if (e.targetTouches[i].target == obj) {
                                var olde = e;
                                e = e.targetTouches[i];
                                e.originalEvent = olde;
                                e.preventDefault = preventTouch;
                                e.stopPropagation = stopTouch;
                                break;
                            }
                        }
                    }
                    return fn.call(element, e);
                };
                obj.addEventListener(realName, f, false);
                return function () {
                    obj.removeEventListener(realName, f, false);
                    return true;
                };
            };
        } else if (doc.attachEvent) {
            return function (obj, type, fn, element) {
                var f = function (e) {
                    e = e || win.event;
                    e.preventDefault = e.preventDefault || preventDefault;
                    e.stopPropagation = e.stopPropagation || stopPropagation;
                    return fn.call(element, e);
                };
                obj.attachEvent("on" + type, f);
                var detacher = function () {
                    obj.detachEvent("on" + type, f);
                    return true;
                };
                return detacher;
            };
        }
    })(),
    drag = [],
    dragMove = function (e) {
        var x = e.clientX,
            y = e.clientY,
            scrollY = doc.documentElement.scrollTop || doc.body.scrollTop,
            scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft,
            dragi,
            j = drag.length;
        while (j--) {
            dragi = drag[j];
            if (supportsTouch) {
                var i = e.touches.length,
                    touch;
                while (i--) {
                    touch = e.touches[i];
                    if (touch.identifier == dragi.el._drag.id) {
                        x = touch.clientX;
                        y = touch.clientY;
                        (e.originalEvent ? e.originalEvent : e).preventDefault();
                        break;
                    }
                }
            } else {
                e.preventDefault();
            }
            x += scrollX;
            y += scrollY;
            dragi.move && dragi.move.call(dragi.move_scope || dragi.el, x - dragi.el._drag.x, y - dragi.el._drag.y, x, y, e);
        }
    },
    dragUp = function (e) {
        R.unmousemove(dragMove).unmouseup(dragUp);
        var i = drag.length,
            dragi;
        while (i--) {
            dragi = drag[i];
            dragi.el._drag = {};
            dragi.end && dragi.end.call(dragi.end_scope || dragi.start_scope || dragi.move_scope || dragi.el, e);
        }
        drag = [];
    };
    for (var i = events[length]; i--;) {
        (function (eventName) {
            R[eventName] = Element[proto][eventName] = function (fn, scope) {
                if (R.is(fn, "function")) {
                    this.events = this.events || [];
                    this.events.push({name: eventName, f: fn, unbind: addEvent(this.shape || this.node || doc, eventName, fn, scope || this)});
                }
                return this;
            };
            R["un" + eventName] = Element[proto]["un" + eventName] = function (fn) {
                var events = this.events,
                    l = events[length];
                while (l--) if (events[l].name == eventName && events[l].f == fn) {
                    events[l].unbind();
                    events.splice(l, 1);
                    !events.length && delete this.events;
                    return this;
                }
                return this;
            };
        })(events[i]);
    }
    elproto.hover = function (f_in, f_out, scope_in, scope_out) {
        return this.mouseover(f_in, scope_in).mouseout(f_out, scope_out || scope_in);
    };
    elproto.unhover = function (f_in, f_out) {
        return this.unmouseover(f_in).unmouseout(f_out);
    };
    elproto.drag = function (onmove, onstart, onend, move_scope, start_scope, end_scope) {
        this._drag = {};
        this.mousedown(function (e) {
            (e.originalEvent || e).preventDefault();
            var scrollY = doc.documentElement.scrollTop || doc.body.scrollTop,
                scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft;
            this._drag.x = e.clientX + scrollX;
            this._drag.y = e.clientY + scrollY;
            this._drag.id = e.identifier;
            onstart && onstart.call(start_scope || move_scope || this, e.clientX + scrollX, e.clientY + scrollY, e);
            !drag.length && R.mousemove(dragMove).mouseup(dragUp);
            drag.push({el: this, move: onmove, end: onend, move_scope: move_scope, start_scope: start_scope, end_scope: end_scope});
        });
        return this;
    };
    elproto.undrag = function (onmove, onstart, onend) {
        var i = drag.length;
        while (i--) {
            drag[i].el == this && (drag[i].move == onmove && drag[i].end == onend) && drag.splice(i++, 1);
        }
        !drag.length && R.unmousemove(dragMove).unmouseup(dragUp);
    };
    paperproto.circle = function (x, y, r) {
        return theCircle(this, x || 0, y || 0, r || 0);
    };
    paperproto.rect = function (x, y, w, h, r) {
        return theRect(this, x || 0, y || 0, w || 0, h || 0, r || 0);
    };
    paperproto.ellipse = function (x, y, rx, ry) {
        return theEllipse(this, x || 0, y || 0, rx || 0, ry || 0);
    };
    paperproto.path = function (pathString) {
        pathString && !R.is(pathString, string) && !R.is(pathString[0], array) && (pathString += E);
        return thePath(R.format[apply](R, arguments), this);
    };
    paperproto.image = function (src, x, y, w, h) {
        return theImage(this, src || "about:blank", x || 0, y || 0, w || 0, h || 0);
    };
    paperproto.text = function (x, y, text) {
        return theText(this, x || 0, y || 0, Str(text));
    };
    paperproto.set = function (itemsArray) {
        arguments[length] > 1 && (itemsArray = Array[proto].splice.call(arguments, 0, arguments[length]));
        return new Set(itemsArray);
    };
    paperproto.setSize = setSize;
    paperproto.top = paperproto.bottom = null;
    paperproto.raphael = R;
    function x_y() {
        return this.x + S + this.y;
    }
    elproto.resetScale = function () {
        if (this.removed) {
            return this;
        }
        this._.sx = 1;
        this._.sy = 1;
        this.attrs.scale = "1 1";
    };
    elproto.scale = function (x, y, cx, cy) {
        if (this.removed) {
            return this;
        }
        if (x == null && y == null) {
            return {
                x: this._.sx,
                y: this._.sy,
                toString: x_y
            };
        }
        y = y || x;
        !+y && (y = x);
        var dx,
            dy,
            dcx,
            dcy,
            a = this.attrs;
        if (x != 0) {
            var bb = this.getBBox(),
                rcx = bb.x + bb.width / 2,
                rcy = bb.y + bb.height / 2,
                kx = abs(x / this._.sx),
                ky = abs(y / this._.sy);
            cx = (+cx || cx == 0) ? cx : rcx;
            cy = (+cy || cy == 0) ? cy : rcy;
            var posx = this._.sx > 0,
                posy = this._.sy > 0,
                dirx = ~~(x / abs(x)),
                diry = ~~(y / abs(y)),
                dkx = kx * dirx,
                dky = ky * diry,
                s = this.node.style,
                ncx = cx + abs(rcx - cx) * dkx * (rcx > cx == posx ? 1 : -1),
                ncy = cy + abs(rcy - cy) * dky * (rcy > cy == posy ? 1 : -1),
                fr = (x * dirx > y * diry ? ky : kx);
            switch (this.type) {
                case "rect":
                case "image":
                    var neww = a.width * kx,
                        newh = a.height * ky;
                    this.attr({
                        height: newh,
                        r: a.r * fr,
                        width: neww,
                        x: ncx - neww / 2,
                        y: ncy - newh / 2
                    });
                    break;
                case "circle":
                case "ellipse":
                    this.attr({
                        rx: a.rx * kx,
                        ry: a.ry * ky,
                        r: a.r * fr,
                        cx: ncx,
                        cy: ncy
                    });
                    break;
                case "text":
                    this.attr({
                        x: ncx,
                        y: ncy
                    });
                    break;
                case "path":
                    var path = pathToRelative(a.path),
                        skip = true,
                        fx = posx ? dkx : kx,
                        fy = posy ? dky : ky;
                    for (var i = 0, ii = path[length]; i < ii; i++) {
                        var p = path[i],
                            P0 = upperCase.call(p[0]);
                        if (P0 == "M" && skip) {
                            continue;
                        } else {
                            skip = false;
                        }
                        if (P0 == "A") {
                            p[path[i][length] - 2] *= fx;
                            p[path[i][length] - 1] *= fy;
                            p[1] *= kx;
                            p[2] *= ky;
                            p[5] = +(dirx + diry ? !!+p[5] : !+p[5]);
                        } else if (P0 == "H") {
                            for (var j = 1, jj = p[length]; j < jj; j++) {
                                p[j] *= fx;
                            }
                        } else if (P0 == "V") {
                            for (j = 1, jj = p[length]; j < jj; j++) {
                                p[j] *= fy;
                            }
                         } else {
                            for (j = 1, jj = p[length]; j < jj; j++) {
                                p[j] *= (j % 2) ? fx : fy;
                            }
                        }
                    }
                    var dim2 = pathDimensions(path);
                    dx = ncx - dim2.x - dim2.width / 2;
                    dy = ncy - dim2.y - dim2.height / 2;
                    path[0][1] += dx;
                    path[0][2] += dy;
                    this.attr({path: path});
                break;
            }
            if (this.type in {text: 1, image:1} && (dirx != 1 || diry != 1)) {
                if (this.transformations) {
                    this.transformations[2] = "scale("[concat](dirx, ",", diry, ")");
                    this.node[setAttribute]("transform", this.transformations[join](S));
                    dx = (dirx == -1) ? -a.x - (neww || 0) : a.x;
                    dy = (diry == -1) ? -a.y - (newh || 0) : a.y;
                    this.attr({x: dx, y: dy});
                    a.fx = dirx - 1;
                    a.fy = diry - 1;
                } else {
                    this.node.filterMatrix = ms + ".Matrix(M11="[concat](dirx,
                        ", M12=0, M21=0, M22=", diry,
                        ", Dx=0, Dy=0, sizingmethod='auto expand', filtertype='bilinear')");
                    s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);
                }
            } else {
                if (this.transformations) {
                    this.transformations[2] = E;
                    this.node[setAttribute]("transform", this.transformations[join](S));
                    a.fx = 0;
                    a.fy = 0;
                } else {
                    this.node.filterMatrix = E;
                    s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);
                }
            }
            a.scale = [x, y, cx, cy][join](S);
            this._.sx = x;
            this._.sy = y;
        }
        return this;
    };
    elproto.clone = function () {
        if (this.removed) {
            return null;
        }
        var attr = this.attr();
        delete attr.scale;
        delete attr.translation;
        return this.paper[this.type]().attr(attr);
    };
    var curveslengths = {},
    getPointAtSegmentLength = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {
        var len = 0,
            precision = 100,
            name = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y].join(),
            cache = curveslengths[name],
            old, dot;
        !cache && (curveslengths[name] = cache = {data: []});
        cache.timer && clearTimeout(cache.timer);
        cache.timer = setTimeout(function () {delete curveslengths[name];}, 2000);
        if (length != null) {
            var total = getPointAtSegmentLength(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y);
            precision = ~~total * 10;
        }
        for (var i = 0; i < precision + 1; i++) {
            if (cache.data[length] > i) {
                dot = cache.data[i * precision];
            } else {
                dot = R.findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, i / precision);
                cache.data[i] = dot;
            }
            i && (len += pow(pow(old.x - dot.x, 2) + pow(old.y - dot.y, 2), .5));
            if (length != null && len >= length) {
                return dot;
            }
            old = dot;
        }
        if (length == null) {
            return len;
        }
    },
    getLengthFactory = function (istotal, subpath) {
        return function (path, length, onlystart) {
            path = path2curve(path);
            var x, y, p, l, sp = "", subpaths = {}, point,
                len = 0;
            for (var i = 0, ii = path.length; i < ii; i++) {
                p = path[i];
                if (p[0] == "M") {
                    x = +p[1];
                    y = +p[2];
                } else {
                    l = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
                    if (len + l > length) {
                        if (subpath && !subpaths.start) {
                            point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
                            sp += ["C", point.start.x, point.start.y, point.m.x, point.m.y, point.x, point.y];
                            if (onlystart) {return sp;}
                            subpaths.start = sp;
                            sp = ["M", point.x, point.y + "C", point.n.x, point.n.y, point.end.x, point.end.y, p[5], p[6]][join]();
                            len += l;
                            x = +p[5];
                            y = +p[6];
                            continue;
                        }
                        if (!istotal && !subpath) {
                            point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
                            return {x: point.x, y: point.y, alpha: point.alpha};
                        }
                    }
                    len += l;
                    x = +p[5];
                    y = +p[6];
                }
                sp += p;
            }
            subpaths.end = sp;
            point = istotal ? len : subpath ? subpaths : R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], 1);
            point.alpha && (point = {x: point.x, y: point.y, alpha: point.alpha});
            return point;
        };
    };
    var getTotalLength = getLengthFactory(1),
        getPointAtLength = getLengthFactory(),
        getSubpathsAtLength = getLengthFactory(0, 1);
    elproto.getTotalLength = function () {
        if (this.type != "path") {return;}
        if (this.node.getTotalLength) {
            return this.node.getTotalLength();
        }
        return getTotalLength(this.attrs.path);
    };
    elproto.getPointAtLength = function (length) {
        if (this.type != "path") {return;}
        return getPointAtLength(this.attrs.path, length);
    };
    elproto.getSubpath = function (from, to) {
        if (this.type != "path") {return;}
        if (abs(this.getTotalLength() - to) < "1e-6") {
            return getSubpathsAtLength(this.attrs.path, from).end;
        }
        var a = getSubpathsAtLength(this.attrs.path, to, 1);
        return from ? getSubpathsAtLength(a, from).end : a;
    };

    // animation easing formulas
    R.easing_formulas = {
        linear: function (n) {
            return n;
        },
        "<": function (n) {
            return pow(n, 3);
        },
        ">": function (n) {
            return pow(n - 1, 3) + 1;
        },
        "<>": function (n) {
            n = n * 2;
            if (n < 1) {
                return pow(n, 3) / 2;
            }
            n -= 2;
            return (pow(n, 3) + 2) / 2;
        },
        backIn: function (n) {
            var s = 1.70158;
            return n * n * ((s + 1) * n - s);
        },
        backOut: function (n) {
            n = n - 1;
            var s = 1.70158;
            return n * n * ((s + 1) * n + s) + 1;
        },
        elastic: function (n) {
            if (n == 0 || n == 1) {
                return n;
            }
            var p = .3,
                s = p / 4;
            return pow(2, -10 * n) * math.sin((n - s) * (2 * PI) / p) + 1;
        },
        bounce: function (n) {
            var s = 7.5625,
                p = 2.75,
                l;
            if (n < (1 / p)) {
                l = s * n * n;
            } else {
                if (n < (2 / p)) {
                    n -= (1.5 / p);
                    l = s * n * n + .75;
                } else {
                    if (n < (2.5 / p)) {
                        n -= (2.25 / p);
                        l = s * n * n + .9375;
                    } else {
                        n -= (2.625 / p);
                        l = s * n * n + .984375;
                    }
                }
            }
            return l;
        }
    };

    var animationElements = [],
        animation = function () {
            var Now = +new Date;
            for (var l = 0; l < animationElements[length]; l++) {
                var e = animationElements[l];
                if (e.stop || e.el.removed) {
                    continue;
                }
                var time = Now - e.start,
                    ms = e.ms,
                    easing = e.easing,
                    from = e.from,
                    diff = e.diff,
                    to = e.to,
                    t = e.t,
                    that = e.el,
                    set = {},
                    now;
                if (time < ms) {
                    var pos = easing(time / ms);
                    for (var attr in from) if (from[has](attr)) {
                        switch (availableAnimAttrs[attr]) {
                            case "along":
                                now = pos * ms * diff[attr];
                                to.back && (now = to.len - now);
                                var point = getPointAtLength(to[attr], now);
                                that.translate(diff.sx - diff.x || 0, diff.sy - diff.y || 0);
                                diff.x = point.x;
                                diff.y = point.y;
                                that.translate(point.x - diff.sx, point.y - diff.sy);
                                to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);
                                break;
                            case nu:
                                now = +from[attr] + pos * ms * diff[attr];
                                break;
                            case "colour":
                                now = "rgb(" + [
                                    upto255(round(from[attr].r + pos * ms * diff[attr].r)),
                                    upto255(round(from[attr].g + pos * ms * diff[attr].g)),
                                    upto255(round(from[attr].b + pos * ms * diff[attr].b))
                                ][join](",") + ")";
                                break;
                            case "path":
                                now = [];
                                for (var i = 0, ii = from[attr][length]; i < ii; i++) {
                                    now[i] = [from[attr][i][0]];
                                    for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {
                                        now[i][j] = +from[attr][i][j] + pos * ms * diff[attr][i][j];
                                    }
                                    now[i] = now[i][join](S);
                                }
                                now = now[join](S);
                                break;
                            case "csv":
                                switch (attr) {
                                    case "translation":
                                        var x = pos * ms * diff[attr][0] - t.x,
                                            y = pos * ms * diff[attr][1] - t.y;
                                        t.x += x;
                                        t.y += y;
                                        now = x + S + y;
                                    break;
                                    case "rotation":
                                        now = +from[attr][0] + pos * ms * diff[attr][0];
                                        from[attr][1] && (now += "," + from[attr][1] + "," + from[attr][2]);
                                    break;
                                    case "scale":
                                        now = [+from[attr][0] + pos * ms * diff[attr][0], +from[attr][1] + pos * ms * diff[attr][1], (2 in to[attr] ? to[attr][2] : E), (3 in to[attr] ? to[attr][3] : E)][join](S);
                                    break;
                                    case "clip-rect":
                                        now = [];
                                        i = 4;
                                        while (i--) {
                                            now[i] = +from[attr][i] + pos * ms * diff[attr][i];
                                        }
                                    break;
                                }
                                break;
                            default:
                              var from2 = [].concat(from[attr]);
                                now = [];
                                i = that.paper.customAttributes[attr].length;
                                while (i--) {
                                    now[i] = +from2[i] + pos * ms * diff[attr][i];
                                }
                                break;
                        }
                        set[attr] = now;
                    }
                    that.attr(set);
                    that._run && that._run.call(that);
                } else {
                    if (to.along) {
                        point = getPointAtLength(to.along, to.len * !to.back);
                        that.translate(diff.sx - (diff.x || 0) + point.x - diff.sx, diff.sy - (diff.y || 0) + point.y - diff.sy);
                        to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);
                    }
                    (t.x || t.y) && that.translate(-t.x, -t.y);
                    to.scale && (to.scale += E);
                    that.attr(to);
                    animationElements.splice(l--, 1);
                }
            }
            R.svg && that && that.paper && that.paper.safari();
            animationElements[length] && setTimeout(animation);
        },
        keyframesRun = function (attr, element, time, prev, prevcallback) {
            var dif = time - prev;
            element.timeouts.push(setTimeout(function () {
                R.is(prevcallback, "function") && prevcallback.call(element);
                element.animate(attr, dif, attr.easing);
            }, prev));
        },
        upto255 = function (color) {
            return mmax(mmin(color, 255), 0);
        },
        translate = function (x, y) {
            if (x == null) {
                return {x: this._.tx, y: this._.ty, toString: x_y};
            }
            this._.tx += +x;
            this._.ty += +y;
            switch (this.type) {
                case "circle":
                case "ellipse":
                    this.attr({cx: +x + this.attrs.cx, cy: +y + this.attrs.cy});
                    break;
                case "rect":
                case "image":
                case "text":
                    this.attr({x: +x + this.attrs.x, y: +y + this.attrs.y});
                    break;
                case "path":
                    var path = pathToRelative(this.attrs.path);
                    path[0][1] += +x;
                    path[0][2] += +y;
                    this.attr({path: path});
                break;
            }
            return this;
        };
    elproto.animateWith = function (element, params, ms, easing, callback) {
        for (var i = 0, ii = animationElements.length; i < ii; i++) {
            if (animationElements[i].el.id == element.id) {
                params.start = animationElements[i].start;
            }
        }
        return this.animate(params, ms, easing, callback);
    };
    elproto.animateAlong = along();
    elproto.animateAlongBack = along(1);
    function along(isBack) {
        return function (path, ms, rotate, callback) {
            var params = {back: isBack};
            R.is(rotate, "function") ? (callback = rotate) : (params.rot = rotate);
            path && path.constructor == Element && (path = path.attrs.path);
            path && (params.along = path);
            return this.animate(params, ms, callback);
        };
    }
    function CubicBezierAtTime(t, p1x, p1y, p2x, p2y, duration) {
        var cx = 3 * p1x,
            bx = 3 * (p2x - p1x) - cx,
            ax = 1 - cx - bx,
            cy = 3 * p1y,
            by = 3 * (p2y - p1y) - cy,
            ay = 1 - cy - by;
        function sampleCurveX(t) {
            return ((ax * t + bx) * t + cx) * t;
        }
        function solve(x, epsilon) {
            var t = solveCurveX(x, epsilon);
            return ((ay * t + by) * t + cy) * t;
        }
        function solveCurveX(x, epsilon) {
            var t0, t1, t2, x2, d2, i;
            for(t2 = x, i = 0; i < 8; i++) {
                x2 = sampleCurveX(t2) - x;
                if (abs(x2) < epsilon) {
                    return t2;
                }
                d2 = (3 * ax * t2 + 2 * bx) * t2 + cx;
                if (abs(d2) < 1e-6) {
                    break;
                }
                t2 = t2 - x2 / d2;
            }
            t0 = 0;
            t1 = 1;
            t2 = x;
            if (t2 < t0) {
                return t0;
            }
            if (t2 > t1) {
                return t1;
            }
            while (t0 < t1) {
                x2 = sampleCurveX(t2);
                if (abs(x2 - x) < epsilon) {
                    return t2;
                }
                if (x > x2) {
                    t0 = t2;
                } else {
                    t1 = t2;
                }
                t2 = (t1 - t0) / 2 + t0;
            }
            return t2;
        }
        return solve(t, 1 / (200 * duration));
    }
    elproto.onAnimation = function (f) {
        this._run = f || 0;
        return this;
    };
    elproto.animate = function (params, ms, easing, callback) {
        var element = this;
        element.timeouts = element.timeouts || [];
        if (R.is(easing, "function") || !easing) {
            callback = easing || null;
        }
        if (element.removed) {
            callback && callback.call(element);
            return element;
        }
        var from = {},
            to = {},
            animateable = false,
            diff = {};
        for (var attr in params) if (params[has](attr)) {
            if (availableAnimAttrs[has](attr) || element.paper.customAttributes[has](attr)) {
                animateable = true;
                from[attr] = element.attr(attr);
                (from[attr] == null) && (from[attr] = availableAttrs[attr]);
                to[attr] = params[attr];
                switch (availableAnimAttrs[attr]) {
                    case "along":
                        var len = getTotalLength(params[attr]);
                        var point = getPointAtLength(params[attr], len * !!params.back);
                        var bb = element.getBBox();
                        diff[attr] = len / ms;
                        diff.tx = bb.x;
                        diff.ty = bb.y;
                        diff.sx = point.x;
                        diff.sy = point.y;
                        to.rot = params.rot;
                        to.back = params.back;
                        to.len = len;
                        params.rot && (diff.r = toFloat(element.rotate()) || 0);
                        break;
                    case nu:
                        diff[attr] = (to[attr] - from[attr]) / ms;
                        break;
                    case "colour":
                        from[attr] = R.getRGB(from[attr]);
                        var toColour = R.getRGB(to[attr]);
                        diff[attr] = {
                            r: (toColour.r - from[attr].r) / ms,
                            g: (toColour.g - from[attr].g) / ms,
                            b: (toColour.b - from[attr].b) / ms
                        };
                        break;
                    case "path":
                        var pathes = path2curve(from[attr], to[attr]);
                        from[attr] = pathes[0];
                        var toPath = pathes[1];
                        diff[attr] = [];
                        for (var i = 0, ii = from[attr][length]; i < ii; i++) {
                            diff[attr][i] = [0];
                            for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {
                                diff[attr][i][j] = (toPath[i][j] - from[attr][i][j]) / ms;
                            }
                        }
                        break;
                    case "csv":
                        var values = Str(params[attr])[split](separator),
                            from2 = Str(from[attr])[split](separator);
                        switch (attr) {
                            case "translation":
                                from[attr] = [0, 0];
                                diff[attr] = [values[0] / ms, values[1] / ms];
                            break;
                            case "rotation":
                                from[attr] = (from2[1] == values[1] && from2[2] == values[2]) ? from2 : [0, values[1], values[2]];
                                diff[attr] = [(values[0] - from[attr][0]) / ms, 0, 0];
                            break;
                            case "scale":
                                params[attr] = values;
                                from[attr] = Str(from[attr])[split](separator);
                                diff[attr] = [(values[0] - from[attr][0]) / ms, (values[1] - from[attr][1]) / ms, 0, 0];
                            break;
                            case "clip-rect":
                                from[attr] = Str(from[attr])[split](separator);
                                diff[attr] = [];
                                i = 4;
                                while (i--) {
                                    diff[attr][i] = (values[i] - from[attr][i]) / ms;
                                }
                            break;
                        }
                        to[attr] = values;
                        break;
                    default:
                        values = [].concat(params[attr]);
                        from2 = [].concat(from[attr]);
                        diff[attr] = [];
                        i = element.paper.customAttributes[attr][length];
                        while (i--) {
                            diff[attr][i] = ((values[i] || 0) - (from2[i] || 0)) / ms;
                        }
                        break;
                }
            }
        }
        if (!animateable) {
            var attrs = [],
                lastcall;
            for (var key in params) if (params[has](key) && animKeyFrames.test(key)) {
                attr = {value: params[key]};
                key == "from" && (key = 0);
                key == "to" && (key = 100);
                attr.key = toInt(key, 10);
                attrs.push(attr);
            }
            attrs.sort(sortByKey);
            if (attrs[0].key) {
                attrs.unshift({key: 0, value: element.attrs});
            }
            for (i = 0, ii = attrs[length]; i < ii; i++) {
                keyframesRun(attrs[i].value, element, ms / 100 * attrs[i].key, ms / 100 * (attrs[i - 1] && attrs[i - 1].key || 0), attrs[i - 1] && attrs[i - 1].value.callback);
            }
            lastcall = attrs[attrs[length] - 1].value.callback;
            if (lastcall) {
                element.timeouts.push(setTimeout(function () {lastcall.call(element);}, ms));
            }
        } else {
            var easyeasy = R.easing_formulas[easing];
            if (!easyeasy) {
                easyeasy = Str(easing).match(bezierrg);
                if (easyeasy && easyeasy[length] == 5) {
                    var curve = easyeasy;
                    easyeasy = function (t) {
                        return CubicBezierAtTime(t, +curve[1], +curve[2], +curve[3], +curve[4], ms);
                    };
                } else {
                    easyeasy = function (t) {
                        return t;
                    };
                }
            }
            animationElements.push({
                start: params.start || +new Date,
                ms: ms,
                easing: easyeasy,
                from: from,
                diff: diff,
                to: to,
                el: element,
                t: {x: 0, y: 0}
            });
            R.is(callback, "function") && (element._ac = setTimeout(function () {
                callback.call(element);
            }, ms));
            animationElements[length] == 1 && setTimeout(animation);
        }
        return this;
    };
    elproto.stop = function () {
        for (var i = 0; i < animationElements.length; i++) {
            animationElements[i].el.id == this.id && animationElements.splice(i--, 1);
        }
        for (i = 0, ii = this.timeouts && this.timeouts.length; i < ii; i++) {
            clearTimeout(this.timeouts[i]);
        }
        this.timeouts = [];
        clearTimeout(this._ac);
        delete this._ac;
        return this;
    };
    elproto.translate = function (x, y) {
        return this.attr({translation: x + " " + y});
    };
    elproto[toString] = function () {
        return "Rapha\xebl\u2019s object";
    };
    R.ae = animationElements;
 
    // Set
    var Set = function (items) {
        this.items = [];
        this[length] = 0;
        this.type = "set";
        if (items) {
            for (var i = 0, ii = items[length]; i < ii; i++) {
                if (items[i] && (items[i].constructor == Element || items[i].constructor == Set)) {
                    this[this.items[length]] = this.items[this.items[length]] = items[i];
                    this[length]++;
                }
            }
        }
    };
    Set[proto][push] = function () {
        var item,
            len;
        for (var i = 0, ii = arguments[length]; i < ii; i++) {
            item = arguments[i];
            if (item && (item.constructor == Element || item.constructor == Set)) {
                len = this.items[length];
                this[len] = this.items[len] = item;
                this[length]++;
            }
        }
        return this;
    };
    Set[proto].pop = function () {
        delete this[this[length]--];
        return this.items.pop();
    };
    for (var method in elproto) if (elproto[has](method)) {
        Set[proto][method] = (function (methodname) {
            return function () {
                for (var i = 0, ii = this.items[length]; i < ii; i++) {
                    this.items[i][methodname][apply](this.items[i], arguments);
                }
                return this;
            };
        })(method);
    }
    Set[proto].attr = function (name, value) {
        if (name && R.is(name, array) && R.is(name[0], "object")) {
            for (var j = 0, jj = name[length]; j < jj; j++) {
                this.items[j].attr(name[j]);
            }
        } else {
            for (var i = 0, ii = this.items[length]; i < ii; i++) {
                this.items[i].attr(name, value);
            }
        }
        return this;
    };
    Set[proto].animate = function (params, ms, easing, callback) {
        (R.is(easing, "function") || !easing) && (callback = easing || null);
        var len = this.items[length],
            i = len,
            item,
            set = this,
            collector;
        callback && (collector = function () {
            !--len && callback.call(set);
        });
        easing = R.is(easing, string) ? easing : collector;
        item = this.items[--i].animate(params, ms, easing, collector);
        while (i--) {
            this.items[i] && !this.items[i].removed && this.items[i].animateWith(item, params, ms, easing, collector);
        }
        return this;
    };
    Set[proto].insertAfter = function (el) {
        var i = this.items[length];
        while (i--) {
            this.items[i].insertAfter(el);
        }
        return this;
    };
    Set[proto].getBBox = function () {
        var x = [],
            y = [],
            w = [],
            h = [];
        for (var i = this.items[length]; i--;) {
            var box = this.items[i].getBBox();
            x[push](box.x);
            y[push](box.y);
            w[push](box.x + box.width);
            h[push](box.y + box.height);
        }
        x = mmin[apply](0, x);
        y = mmin[apply](0, y);
        return {
            x: x,
            y: y,
            width: mmax[apply](0, w) - x,
            height: mmax[apply](0, h) - y
        };
    };
    Set[proto].clone = function (s) {
        s = new Set;
        for (var i = 0, ii = this.items[length]; i < ii; i++) {
            s[push](this.items[i].clone());
        }
        return s;
    };

    R.registerFont = function (font) {
        if (!font.face) {
            return font;
        }
        this.fonts = this.fonts || {};
        var fontcopy = {
                w: font.w,
                face: {},
                glyphs: {}
            },
            family = font.face["font-family"];
        for (var prop in font.face) if (font.face[has](prop)) {
            fontcopy.face[prop] = font.face[prop];
        }
        if (this.fonts[family]) {
            this.fonts[family][push](fontcopy);
        } else {
            this.fonts[family] = [fontcopy];
        }
        if (!font.svg) {
            fontcopy.face["units-per-em"] = toInt(font.face["units-per-em"], 10);
            for (var glyph in font.glyphs) if (font.glyphs[has](glyph)) {
                var path = font.glyphs[glyph];
                fontcopy.glyphs[glyph] = {
                    w: path.w,
                    k: {},
                    d: path.d && "M" + path.d[rp](/[mlcxtrv]/g, function (command) {
                            return {l: "L", c: "C", x: "z", t: "m", r: "l", v: "c"}[command] || "M";
                        }) + "z"
                };
                if (path.k) {
                    for (var k in path.k) if (path[has](k)) {
                        fontcopy.glyphs[glyph].k[k] = path.k[k];
                    }
                }
            }
        }
        return font;
    };
    paperproto.getFont = function (family, weight, style, stretch) {
        stretch = stretch || "normal";
        style = style || "normal";
        weight = +weight || {normal: 400, bold: 700, lighter: 300, bolder: 800}[weight] || 400;
        if (!R.fonts) {
            return;
        }
        var font = R.fonts[family];
        if (!font) {
            var name = new RegExp("(^|\\s)" + family[rp](/[^\w\d\s+!~.:_-]/g, E) + "(\\s|$)", "i");
            for (var fontName in R.fonts) if (R.fonts[has](fontName)) {
                if (name.test(fontName)) {
                    font = R.fonts[fontName];
                    break;
                }
            }
        }
        var thefont;
        if (font) {
            for (var i = 0, ii = font[length]; i < ii; i++) {
                thefont = font[i];
                if (thefont.face["font-weight"] == weight && (thefont.face["font-style"] == style || !thefont.face["font-style"]) && thefont.face["font-stretch"] == stretch) {
                    break;
                }
            }
        }
        return thefont;
    };
    paperproto.print = function (x, y, string, font, size, origin, letter_spacing) {
        origin = origin || "middle"; // baseline|middle
        letter_spacing = mmax(mmin(letter_spacing || 0, 1), -1);
        var out = this.set(),
            letters = Str(string)[split](E),
            shift = 0,
            path = E,
            scale;
        R.is(font, string) && (font = this.getFont(font));
        if (font) {
            scale = (size || 16) / font.face["units-per-em"];
            var bb = font.face.bbox.split(separator),
                top = +bb[0],
                height = +bb[1] + (origin == "baseline" ? bb[3] - bb[1] + (+font.face.descent) : (bb[3] - bb[1]) / 2);
            for (var i = 0, ii = letters[length]; i < ii; i++) {
                var prev = i && font.glyphs[letters[i - 1]] || {},
                    curr = font.glyphs[letters[i]];
                shift += i ? (prev.w || font.w) + (prev.k && prev.k[letters[i]] || 0) + (font.w * letter_spacing) : 0;
                curr && curr.d && out[push](this.path(curr.d).attr({fill: "#000", stroke: "none", translation: [shift, 0]}));
            }
            out.scale(scale, scale, top, height).translate(x - top, y - height);
        }
        return out;
    };

    R.format = function (token, params) {
        var args = R.is(params, array) ? [0][concat](params) : arguments;
        token && R.is(token, string) && args[length] - 1 && (token = token[rp](formatrg, function (str, i) {
            return args[++i] == null ? E : args[i];
        }));
        return token || E;
    };
    R.ninja = function () {
        oldRaphael.was ? (win.Raphael = oldRaphael.is) : delete Raphael;
        return R;
    };
    R.el = elproto;
    R.st = Set[proto];

    oldRaphael.was ? (win.Raphael = R) : (Raphael = R);
})();
/*!
 * g.Raphael 0.4.1 - Charting library, based on Raphaël
 *
 * Copyright (c) 2009 Dmitry Baranovskiy (http://g.raphaeljs.com)
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
 */
 
 
(function () {
    var mmax = Math.max,
        mmin = Math.min;
    Raphael.fn.g = Raphael.fn.g || {};
    Raphael.fn.g.markers = {
        disc: "disc",
        o: "disc",
        flower: "flower",
        f: "flower",
        diamond: "diamond",
        d: "diamond",
        square: "square",
        s: "square",
        triangle: "triangle",
        t: "triangle",
        star: "star",
        "*": "star",
        cross: "cross",
        x: "cross",
        plus: "plus",
        "+": "plus",
        arrow: "arrow",
        "->": "arrow"
    };
    Raphael.fn.g.shim = {stroke: "none", fill: "#000", "fill-opacity": 0};
    Raphael.fn.g.txtattr = {font: "12px Arial, sans-serif"};
    Raphael.fn.g.colors = [];
    var hues = [.6, .2, .05, .1333, .75, 0];
    for (var i = 0; i < 10; i++) {
        if (i < hues.length) {
            Raphael.fn.g.colors.push("hsb(" + hues[i] + ", .75, .75)");
        } else {
            Raphael.fn.g.colors.push("hsb(" + hues[i - hues.length] + ", 1, .5)");
        }
    }
    Raphael.fn.g.colors[0] = "rgb(51, 102, 153)";
    Raphael.fn.g.text = function (x, y, text) {
        return this.text(x, y, text).attr(this.g.txtattr);
    };
    Raphael.fn.g.labelise = function (label, val, total) {
        if (label) {
            return (label + "").replace(/(##+(?:\.#+)?)|(%%+(?:\.%+)?)/g, function (all, value, percent) {
                if (value) {
                    return (+val).toFixed(value.replace(/^#+\.?/g, "").length);
                }
                if (percent) {
                    return (val * 100 / total).toFixed(percent.replace(/^%+\.?/g, "").length) + "%";
                }
            });
        } else {
            return (+val).toFixed(0);
        }
    };

    Raphael.fn.g.finger = function (x, y, width, height, dir, ending, isPath) {
        // dir 0 for horisontal and 1 for vertical
        if ((dir && !height) || (!dir && !width)) {
            return isPath ? "" : this.path();
        }
        ending = {square: "square", sharp: "sharp", soft: "soft"}[ending] || "round";
        var path;
        height = Math.round(height);
        width = Math.round(width);
        x = Math.round(x);
        y = Math.round(y);
        switch (ending) {
            case "round":
            if (!dir) {
                var r = ~~(height / 2);
                if (width < r) {
                    r = width;
                    path = ["M", x + .5, y + .5 - ~~(height / 2), "l", 0, 0, "a", r, ~~(height / 2), 0, 0, 1, 0, height, "l", 0, 0, "z"];
                } else {
                    path = ["M", x + .5, y + .5 - r, "l", width - r, 0, "a", r, r, 0, 1, 1, 0, height, "l", r - width, 0, "z"];
                }
            } else {
                r = ~~(width / 2);
                if (height < r) {
                    r = height;
                    path = ["M", x - ~~(width / 2), y, "l", 0, 0, "a", ~~(width / 2), r, 0, 0, 1, width, 0, "l", 0, 0, "z"];
                } else {
                    path = ["M", x - r, y, "l", 0, r - height, "a", r, r, 0, 1, 1, width, 0, "l", 0, height - r, "z"];
                }
            }
            break;
            case "sharp":
            if (!dir) {
                var half = ~~(height / 2);
                path = ["M", x, y + half, "l", 0, -height, mmax(width - half, 0), 0, mmin(half, width), half, -mmin(half, width), half + (half * 2 < height), "z"];
            } else {
                half = ~~(width / 2);
                path = ["M", x + half, y, "l", -width, 0, 0, -mmax(height - half, 0), half, -mmin(half, height), half, mmin(half, height), half, "z"];
            }
            break;
            case "square":
            if (!dir) {
                path = ["M", x, y + ~~(height / 2), "l", 0, -height, width, 0, 0, height, "z"];
            } else {
                path = ["M", x + ~~(width / 2), y, "l", 1 - width, 0, 0, -height, width - 1, 0, "z"];
            }
            break;
            case "soft":
            if (!dir) {
                r = mmin(width, Math.round(height / 5));
                path = ["M", x + .5, y + .5 - ~~(height / 2), "l", width - r, 0, "a", r, r, 0, 0, 1, r, r, "l", 0, height - r * 2, "a", r, r, 0, 0, 1, -r, r, "l", r - width, 0, "z"];
            } else {
                r = mmin(Math.round(width / 5), height);
                path = ["M", x - ~~(width / 2), y, "l", 0, r - height, "a", r, r, 0, 0, 1, r, -r, "l", width - 2 * r, 0, "a", r, r, 0, 0, 1, r, r, "l", 0, height - r, "z"];
            }
        }
        if (isPath) {
            return path.join(",");
        } else {
            return this.path(path);
        }
    };

    // Symbols
    Raphael.fn.g.disc = function (cx, cy, r) {
        return this.circle(cx, cy, r);
    };
    Raphael.fn.g.line = function (cx, cy, r) {
        return this.rect(cx - r, cy - r / 5, 2 * r, 2 * r / 5);
    };
    Raphael.fn.g.square = function (cx, cy, r) {
        r = r * .7;
        return this.rect(cx - r, cy - r, 2 * r, 2 * r);
    };
    Raphael.fn.g.triangle = function (cx, cy, r) {
        r *= 1.75;
        return this.path("M".concat(cx, ",", cy, "m0-", r * .58, "l", r * .5, ",", r * .87, "-", r, ",0z"));
    };
    Raphael.fn.g.diamond = function (cx, cy, r) {
        return this.path(["M", cx, cy - r, "l", r, r, -r, r, -r, -r, r, -r, "z"]);
    };
    Raphael.fn.g.flower = function (cx, cy, r, n) {
        r = r * 1.25;
        var rout = r,
            rin = rout * .5;
        n = +n < 3 || !n ? 5 : n;
        var points = ["M", cx, cy + rin, "Q"],
            R;
        for (var i = 1; i < n * 2 + 1; i++) {
            R = i % 2 ? rout : rin;
            points = points.concat([+(cx + R * Math.sin(i * Math.PI / n)).toFixed(3), +(cy + R * Math.cos(i * Math.PI / n)).toFixed(3)]);
        }
        points.push("z");
        return this.path(points.join(","));
    };
    Raphael.fn.g.star = function (cx, cy, r, r2, rays) {
        r2 = r2 || r * .382;
        rays = rays || 5;
        var points = ["M", cx, cy + r2, "L"],
            R;
        for (var i = 1; i < rays * 2; i++) {
            R = i % 2 ? r : r2;
            points = points.concat([(cx + R * Math.sin(i * Math.PI / rays)), (cy + R * Math.cos(i * Math.PI / rays))]);
        }
        points.push("z");
        return this.path(points.join(","));
    };
    Raphael.fn.g.cross = function (cx, cy, r) {
        r = r / 2.5;
        return this.path("M".concat(cx - r, ",", cy, "l", [-r, -r, r, -r, r, r, r, -r, r, r, -r, r, r, r, -r, r, -r, -r, -r, r, -r, -r, "z"]));
    };
    Raphael.fn.g.plus = function (cx, cy, r) {
        r = r / 2;
        return this.path("M".concat(cx - r / 2, ",", cy - r / 2, "l", [0, -r, r, 0, 0, r, r, 0, 0, r, -r, 0, 0, r, -r, 0, 0, -r, -r, 0, 0, -r, "z"]));
    };
    Raphael.fn.g.arrow = function (cx, cy, r) {
        return this.path("M".concat(cx - r * .7, ",", cy - r * .4, "l", [r * .6, 0, 0, -r * .4, r, r * .8, -r, r * .8, 0, -r * .4, -r * .6, 0], "z"));
    };

    // Tooltips
    Raphael.fn.g.tag = function (x, y, text, angle, r) {
        angle = angle || 0;
        r = r == null ? 5 : r;
        text = text == null ? "$9.99" : text;
        var R = .5522 * r,
            res = this.set(),
            d = 3;
        res.push(this.path().attr({fill: "#333", stroke: "rgba(51, 51, 51, 51)"}));
        res.push(this.text(x, y, text).attr(this.g.txtattr).attr({fill: "#fff", "font-family": "Helvetica, Arial"}));
        res.update = function () {
            this.rotate(0, x, y);
            var bb = this[1].getBBox();
            if (bb.height >= r * 2) {
                this[0].attr({path: ["M", x, y + r, "a", r, r, 0, 1, 1, 0, -r * 2, r, r, 0, 1, 1, 0, r * 2, "m", 0, -r * 2 -d, "a", r + d, r + d, 0, 1, 0, 0, (r + d) * 2, "L", x + r + d, y + bb.height / 2 + d, "l", bb.width + 2 * d, 0, 0, -bb.height - 2 * d, -bb.width - 2 * d, 0, "L", x, y - r - d].join(",")});
            } else {
                var dx = Math.sqrt(Math.pow(r + d, 2) - Math.pow(bb.height / 2 + d, 2));
                this[0].attr({path: ["M", x, y + r, "c", -R, 0, -r, R - r, -r, -r, 0, -R, r - R, -r, r, -r, R, 0, r, r - R, r, r, 0, R, R - r, r, -r, r, "M", x + dx, y - bb.height / 2 - d, "a", r + d, r + d, 0, 1, 0, 0, bb.height + 2 * d, "l", r + d - dx + bb.width + 2 * d, 0, 0, -bb.height - 2 * d, "L", x + dx, y - bb.height / 2 - d].join(",")});
            }
            this[1].attr({x: x + r + d + bb.width / 2, y: y});
            angle = (360 - angle) % 360;
            this.rotate(angle, x, y);
            angle > 90 && angle < 270 && this[1].attr({x: x - r - d - bb.width / 2, y: y, rotation: [180 + angle, x, y]});
            return this;
        };
        res.update();
        return res;
    };
    Raphael.fn.g.popupit = function (x, y, set, dir, size) {
        dir = dir == null ? 2 : dir;
        size = size || 5;
        x = Math.round(x);
        y = Math.round(y);
        var bb = set.getBBox(),
            w = Math.round(bb.width / 2),
            h = Math.round(bb.height / 2),
            dx = [0, w + size * 2, 0, -w - size * 2],
            dy = [-h * 2 - size * 3, -h - size, 0, -h - size],
            p = ["M", x - dx[dir], y - dy[dir], "l", -size, (dir == 2) * -size, -mmax(w - size, 0), 0, "a", size, size, 0, 0, 1, -size, -size,
                "l", 0, -mmax(h - size, 0), (dir == 3) * -size, -size, (dir == 3) * size, -size, 0, -mmax(h - size, 0), "a", size, size, 0, 0, 1, size, -size,
                "l", mmax(w - size, 0), 0, size, !dir * -size, size, !dir * size, mmax(w - size, 0), 0, "a", size, size, 0, 0, 1, size, size,
                "l", 0, mmax(h - size, 0), (dir == 1) * size, size, (dir == 1) * -size, size, 0, mmax(h - size, 0), "a", size, size, 0, 0, 1, -size, size,
                "l", -mmax(w - size, 0), 0, "z"].join(","),
            xy = [{x: x, y: y + size * 2 + h}, {x: x - size * 2 - w, y: y}, {x: x, y: y - size * 2 - h}, {x: x + size * 2 + w, y: y}][dir];
        set.translate(xy.x - w - bb.x, xy.y - h - bb.y);
        return this.path(p).attr({fill: "#000", stroke: "none"}).insertBefore(set.node ? set : set[0]);
    };
    Raphael.fn.g.popup = function (x, y, text, dir, size) {
        dir = dir == null ? 2 : dir > 3 ? 3 : dir;
        size = size || 5;
        text = text || "$9.99";
        var res = this.set(),
            d = 3;
        res.push(this.path().attr({fill: "#333", stroke: "rgba(51, 51, 51, 51)"}));
        res.push(this.text(x, y, text).attr(this.g.txtattr).attr({fill: "#fff", "font-family": "Helvetica, Arial"}));
        res.update = function (X, Y, withAnimation) {
            X = X || x;
            Y = Y || y;
            var bb = this[1].getBBox(),
                w = bb.width / 2,
                h = bb.height / 2,
                dx = [0, w + size * 2, 0, -w - size * 2],
                dy = [-h * 2 - size * 3, -h - size, 0, -h - size],
                p = ["M", X - dx[dir], Y - dy[dir], "l", -size, (dir == 2) * -size, -mmax(w - size, 0), 0, "a", size, size, 0, 0, 1, -size, -size,
                    "l", 0, -mmax(h - size, 0), (dir == 3) * -size, -size, (dir == 3) * size, -size, 0, -mmax(h - size, 0), "a", size, size, 0, 0, 1, size, -size,
                    "l", mmax(w - size, 0), 0, size, !dir * -size, size, !dir * size, mmax(w - size, 0), 0, "a", size, size, 0, 0, 1, size, size,
                    "l", 0, mmax(h - size, 0), (dir == 1) * size, size, (dir == 1) * -size, size, 0, mmax(h - size, 0), "a", size, size, 0, 0, 1, -size, size,
                    "l", -mmax(w - size, 0), 0, "z"].join(","),
                xy = [{x: X, y: Y + size * 2 + h}, {x: X - size * 2 - w, y: Y}, {x: X, y: Y - size * 2 - h}, {x: X + size * 2 + w, y: Y}][dir];
            xy.path = p;
            if (withAnimation) {
                this.animate(xy, 500, ">");
            } else {
                this.attr(xy);
            }
            return this;
        };
        return res.update(x, y);
    };
    Raphael.fn.g.flag = function (x, y, text, angle) {
        angle = angle || 0;
        text = text || "$9.99";
        var res = this.set(),
            d = 3;
        res.push(this.path().attr({fill: "#000", stroke: "#000"}));
        res.push(this.text(x, y, text).attr(this.g.txtattr).attr({fill: "#fff", "font-family": "Helvetica, Arial"}));
        res.update = function (x, y) {
            this.rotate(0, x, y);
            var bb = this[1].getBBox(),
                h = bb.height / 2;
            this[0].attr({path: ["M", x, y, "l", h + d, -h - d, bb.width + 2 * d, 0, 0, bb.height + 2 * d, -bb.width - 2 * d, 0, "z"].join(",")});
            this[1].attr({x: x + h + d + bb.width / 2, y: y});
            angle = 360 - angle;
            this.rotate(angle, x, y);
            angle > 90 && angle < 270 && this[1].attr({x: x - r - d - bb.width / 2, y: y, rotation: [180 + angle, x, y]});
            return this;
        };
        return res.update(x, y);
    };
    Raphael.fn.g.label = function (x, y, text) {
        var res = this.set();
        res.push(this.rect(x, y, 10, 10).attr({stroke: "none", fill: "#000"}));
        res.push(this.text(x, y, text).attr(this.g.txtattr).attr({fill: "#fff"}));
        res.update = function () {
            var bb = this[1].getBBox(),
                r = mmin(bb.width + 10, bb.height + 10) / 2;
            this[0].attr({x: bb.x - r / 2, y: bb.y - r / 2, width: bb.width + r, height: bb.height + r, r: r});
        };
        res.update();
        return res;
    };
    Raphael.fn.g.labelit = function (set) {
        var bb = set.getBBox(),
            r = mmin(20, bb.width + 10, bb.height + 10) / 2;
        return this.rect(bb.x - r / 2, bb.y - r / 2, bb.width + r, bb.height + r, r).attr({stroke: "none", fill: "#000"}).insertBefore(set.node ? set : set[0]);
    };
    Raphael.fn.g.drop = function (x, y, text, size, angle) {
        size = size || 30;
        angle = angle || 0;
        var res = this.set();
        res.push(this.path(["M", x, y, "l", size, 0, "A", size * .4, size * .4, 0, 1, 0, x + size * .7, y - size * .7, "z"]).attr({fill: "#000", stroke: "none", rotation: [22.5 - angle, x, y]}));
        angle = (angle + 90) * Math.PI / 180;
        res.push(this.text(x + size * Math.sin(angle), y + size * Math.cos(angle), text).attr(this.g.txtattr).attr({"font-size": size * 12 / 30, fill: "#fff"}));
        res.drop = res[0];
        res.text = res[1];
        return res;
    };
    Raphael.fn.g.blob = function (x, y, text, angle, size) {
        angle = (+angle + 1 ? angle : 45) + 90;
        size = size || 12;
        var rad = Math.PI / 180,
            fontSize = size * 12 / 12;
        var res = this.set();
        res.push(this.path().attr({fill: "#000", stroke: "none"}));
        res.push(this.text(x + size * Math.sin((angle) * rad), y + size * Math.cos((angle) * rad) - fontSize / 2, text).attr(this.g.txtattr).attr({"font-size": fontSize, fill: "#fff"}));
        res.update = function (X, Y, withAnimation) {
            X = X || x;
            Y = Y || y;
            var bb = this[1].getBBox(),
                w = mmax(bb.width + fontSize, size * 25 / 12),
                h = mmax(bb.height + fontSize, size * 25 / 12),
                x2 = X + size * Math.sin((angle - 22.5) * rad),
                y2 = Y + size * Math.cos((angle - 22.5) * rad),
                x1 = X + size * Math.sin((angle + 22.5) * rad),
                y1 = Y + size * Math.cos((angle + 22.5) * rad),
                dx = (x1 - x2) / 2,
                dy = (y1 - y2) / 2,
                rx = w / 2,
                ry = h / 2,
                k = -Math.sqrt(Math.abs(rx * rx * ry * ry - rx * rx * dy * dy - ry * ry * dx * dx) / (rx * rx * dy * dy + ry * ry * dx * dx)),
                cx = k * rx * dy / ry + (x1 + x2) / 2,
                cy = k * -ry * dx / rx + (y1 + y2) / 2;
            if (withAnimation) {
                this.animate({x: cx, y: cy, path: ["M", x, y, "L", x1, y1, "A", rx, ry, 0, 1, 1, x2, y2, "z"].join(",")}, 500, ">");
            } else {
                this.attr({x: cx, y: cy, path: ["M", x, y, "L", x1, y1, "A", rx, ry, 0, 1, 1, x2, y2, "z"].join(",")});
            }
            return this;
        };
        res.update(x, y);
        return res;
    };

    Raphael.fn.g.colorValue = function (value, total, s, b) {
        return "hsb(" + [mmin((1 - value / total) * .4, 1), s || .75, b || .75] + ")";
    };

    Raphael.fn.g.snapEnds = function (from, to, steps) {
        var f = from,
            t = to;
        if (f == t) {
            return {from: f, to: t, power: 0};
        }
        function round(a) {
            return Math.abs(a - .5) < .25 ? ~~(a) + .5 : Math.round(a);
        }
        var d = (t - f) / steps,
            r = ~~(d),
            R = r,
            i = 0;
        if (r) {
            while (R) {
                i--;
                R = ~~(d * Math.pow(10, i)) / Math.pow(10, i);
            }
            i ++;
        } else {
            while (!r) {
                i = i || 1;
                r = ~~(d * Math.pow(10, i)) / Math.pow(10, i);
                i++;
            }
            i && i--;
        }
        t = round(to * Math.pow(10, i)) / Math.pow(10, i);
        if (t < to) {
            t = round((to + .5) * Math.pow(10, i)) / Math.pow(10, i);
        }
        f = round((from - (i > 0 ? 0 : .5)) * Math.pow(10, i)) / Math.pow(10, i);
        return {from: f, to: t, power: i};
    };
    Raphael.fn.g.axis = function (x, y, length, from, to, steps, orientation, labels, type, dashsize) {
        dashsize = dashsize == null ? 2 : dashsize;
        type = type || "t";
        steps = steps || 10;
        var path = type == "|" || type == " " ? ["M", x + .5, y, "l", 0, .001] : orientation == 1 || orientation == 3 ? ["M", x + .5, y, "l", 0, -length] : ["M", x, y + .5, "l", length, 0],
            ends = this.g.snapEnds(from, to, steps),
            f = ends.from,
            t = ends.to,
            i = ends.power,
            j = 0,
            text = this.set();
        d = (t - f) / steps;
        var label = f,
            rnd = i > 0 ? i : 0;
            dx = length / steps;
        if (+orientation == 1 || +orientation == 3) {
            var Y = y,
                addon = (orientation - 1 ? 1 : -1) * (dashsize + 3 + !!(orientation - 1));
            while (Y >= y - length) {
                type != "-" && type != " " && (path = path.concat(["M", x - (type == "+" || type == "|" ? dashsize : !(orientation - 1) * dashsize * 2), Y + .5, "l", dashsize * 2 + 1, 0]));
                text.push(this.text(x + addon, Y, (labels && labels[j++]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(this.g.txtattr).attr({"text-anchor": orientation - 1 ? "start" : "end"}));
                label += d;
                Y -= dx;
            }
            if (Math.round(Y + dx - (y - length))) {
                type != "-" && type != " " && (path = path.concat(["M", x - (type == "+" || type == "|" ? dashsize : !(orientation - 1) * dashsize * 2), y - length + .5, "l", dashsize * 2 + 1, 0]));
                text.push(this.text(x + addon, y - length, (labels && labels[j]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(this.g.txtattr).attr({"text-anchor": orientation - 1 ? "start" : "end"}));
            }
        } else {
            label = f;
            rnd = (i > 0) * i;
            addon = (orientation ? -1 : 1) * (dashsize + 9 + !orientation);
            var X = x,
                dx = length / steps,
                txt = 0,
                prev = 0;
            while (X <= x + length) {
                type != "-" && type != " " && (path = path.concat(["M", X + .5, y - (type == "+" ? dashsize : !!orientation * dashsize * 2), "l", 0, dashsize * 2 + 1]));
                text.push(txt = this.text(X, y + addon, (labels && labels[j++]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(this.g.txtattr));
                var bb = txt.getBBox();
                if (prev >= bb.x - 5) {
                    text.pop(text.length - 1).remove();
                } else {
                    prev = bb.x + bb.width;
                }
                label += d;
                X += dx;
            }
            if (Math.round(X - dx - x - length)) {
                type != "-" && type != " " && (path = path.concat(["M", x + length + .5, y - (type == "+" ? dashsize : !!orientation * dashsize * 2), "l", 0, dashsize * 2 + 1]));
                text.push(this.text(x + length, y + addon, (labels && labels[j]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(this.g.txtattr));
            }
        }
        var res = this.path(path);
        res.text = text;
        res.all = this.set([res, text]);
        res.remove = function () {
            this.text.remove();
            this.constructor.prototype.remove.call(this);
        };
        return res;
    };

    Raphael.el.lighter = function (times) {
        times = times || 2;
        var fs = [this.attrs.fill, this.attrs.stroke];
        this.fs = this.fs || [fs[0], fs[1]];
        fs[0] = Raphael.rgb2hsb(Raphael.getRGB(fs[0]).hex);
        fs[1] = Raphael.rgb2hsb(Raphael.getRGB(fs[1]).hex);
        fs[0].b = mmin(fs[0].b * times, 1);
        fs[0].s = fs[0].s / times;
        fs[1].b = mmin(fs[1].b * times, 1);
        fs[1].s = fs[1].s / times;
        this.attr({fill: "hsb(" + [fs[0].h, fs[0].s, fs[0].b] + ")", stroke: "hsb(" + [fs[1].h, fs[1].s, fs[1].b] + ")"});
    };
    Raphael.el.darker = function (times) {
        times = times || 2;
        var fs = [this.attrs.fill, this.attrs.stroke];
        this.fs = this.fs || [fs[0], fs[1]];
        fs[0] = Raphael.rgb2hsb(Raphael.getRGB(fs[0]).hex);
        fs[1] = Raphael.rgb2hsb(Raphael.getRGB(fs[1]).hex);
        fs[0].s = mmin(fs[0].s * times, 1);
        fs[0].b = fs[0].b / times;
        fs[1].s = mmin(fs[1].s * times, 1);
        fs[1].b = fs[1].b / times;
        this.attr({fill: "hsb(" + [fs[0].h, fs[0].s, fs[0].b] + ")", stroke: "hsb(" + [fs[1].h, fs[1].s, fs[1].b] + ")"});
    };
    Raphael.el.original = function () {
        if (this.fs) {
            this.attr({fill: this.fs[0], stroke: this.fs[1]});
            delete this.fs;
        }
    };
})();
/*!
 * g.Raphael 0.4.1 - Charting library, based on Raphaël
 *
 * Copyright (c) 2009 Dmitry Baranovskiy (http://g.raphaeljs.com)
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
 */
Raphael.fn.g.barchart = function (x, y, width, height, values, opts) {
    opts = opts || {};
    var type = {round: "round", sharp: "sharp", soft: "soft"}[opts.type] || "square",
        gutter = parseFloat(opts.gutter || "20%"),
        chart = this.set(),
        bars = this.set(),
        covers = this.set(),
        covers2 = this.set(),
        total = Math.max.apply(Math, values),
        stacktotal = [],
        paper = this,
        multi = 0,
        colors = opts.colors || this.g.colors,
        len = values.length;
    if (this.raphael.is(values[0], "array")) {
        total = [];
        multi = len;
        len = 0;
        for (var i = values.length; i--;) {
            bars.push(this.set());
            total.push(Math.max.apply(Math, values[i]));
            len = Math.max(len, values[i].length);
        }
        if (opts.stacked) {
            for (var i = len; i--;) {
                var tot = 0;
                for (var j = values.length; j--;) {
                    tot +=+ values[j][i] || 0;
                }
                stacktotal.push(tot);
            }
        }
        for (var i = values.length; i--;) {
            if (values[i].length < len) {
                for (var j = len; j--;) {
                    values[i].push(0);
                }
            }
        }
        total = Math.max.apply(Math, opts.stacked ? stacktotal : total);
    }
    
    total = (opts.to) || total;
    var barwidth = width / (len * (100 + gutter) + gutter) * 100,
        barhgutter = barwidth * gutter / 100,
        barvgutter = opts.vgutter == null ? 20 : opts.vgutter,
        stack = [],
        X = x + barhgutter,
        Y = (height - 2 * barvgutter) / total;
    if (!opts.stretch) {
        barhgutter = Math.round(barhgutter);
        barwidth = Math.floor(barwidth);
    }
    !opts.stacked && (barwidth /= multi || 1);
    for (var i = 0; i < len; i++) {
        stack = [];
        for (var j = 0; j < (multi || 1); j++) {
            var h = Math.round((multi ? values[j][i] : values[i]) * Y),
                top = y + height - barvgutter - h,
                bar = this.g.finger(Math.round(X + barwidth / 2), top + h, barwidth, h, true, type).attr({stroke: "none", fill: colors[multi ? j : i]});
            if (multi) {
                bars[j].push(bar);
            } else {
                bars.push(bar);
            }
            bar.y = top;
            bar.x = Math.round(X + barwidth / 2);
            bar.w = barwidth;
            bar.h = h;
            bar.value = multi ? values[j][i] : values[i];
            if (!opts.stacked) {
                X += barwidth;
            } else {
                stack.push(bar);
            }
        }
        if (opts.stacked) {
            var cvr;
            covers2.push(cvr = this.rect(stack[0].x - stack[0].w / 2, y, barwidth, height).attr(this.g.shim));
            cvr.bars = this.set();
            var size = 0;
            for (var s = stack.length; s--;) {
                stack[s].toFront();
            }
            for (var s = 0, ss = stack.length; s < ss; s++) {
                var bar = stack[s],
                    cover,
                    h = (size + bar.value) * Y,
                    path = this.g.finger(bar.x, y + height - barvgutter - !!size * .5, barwidth, h, true, type, 1);
                cvr.bars.push(bar);
                size && bar.attr({path: path});
                bar.h = h;
                bar.y = y + height - barvgutter - !!size * .5 - h;
                covers.push(cover = this.rect(bar.x - bar.w / 2, bar.y, barwidth, bar.value * Y).attr(this.g.shim));
                cover.bar = bar;
                cover.value = bar.value;
                size += bar.value;
            }
            X += barwidth;
        }
        X += barhgutter;
    }
    covers2.toFront();
    X = x + barhgutter;
    if (!opts.stacked) {
        for (var i = 0; i < len; i++) {
            for (var j = 0; j < (multi || 1); j++) {
                var cover;
                covers.push(cover = this.rect(Math.round(X), y + barvgutter, barwidth, height - barvgutter).attr(this.g.shim));
                cover.bar = multi ? bars[j][i] : bars[i];
                cover.value = cover.bar.value;
                X += barwidth;
            }
            X += barhgutter;
        }
    }
    chart.label = function (labels, isBottom) {
        labels = labels || [];
        this.labels = paper.set();
        var L, l = -Infinity;
        if (opts.stacked) {
            for (var i = 0; i < len; i++) {
                var tot = 0;
                for (var j = 0; j < (multi || 1); j++) {
                    tot += multi ? values[j][i] : values[i];
                    if (j == multi - 1) {
                        var label = paper.g.labelise(labels[i], tot, total);
                        L = paper.g.text(bars[i * (multi || 1) + j].x, y + height - barvgutter / 2, label).insertBefore(covers[i * (multi || 1) + j]);
                        var bb = L.getBBox();
                        if (bb.x - 7 < l) {
                            L.remove();
                        } else {
                            this.labels.push(L);
                            l = bb.x + bb.width;
                        }
                    }
                }
            }
        } else {
            for (var i = 0; i < len; i++) {
                for (var j = 0; j < (multi || 1); j++) {
                    var label = paper.g.labelise(multi ? labels[j] && labels[j][i] : labels[i], multi ? values[j][i] : values[i], total);
                    L = paper.g.text(bars[i * (multi || 1) + j].x, isBottom ? y + height - barvgutter / 2 : bars[i * (multi || 1) + j].y - 10, label).insertBefore(covers[i * (multi || 1) + j]);
                    var bb = L.getBBox();
                    if (bb.x - 7 < l) {
                        L.remove();
                    } else {
                        this.labels.push(L);
                        l = bb.x + bb.width;
                    }
                }
            }
        }
        return this;
    };
    chart.hover = function (fin, fout) {
        covers2.hide();
        covers.show();
        covers.mouseover(fin).mouseout(fout);
        return this;
    };
    chart.hoverColumn = function (fin, fout) {
        covers.hide();
        covers2.show();
        fout = fout || function () {};
        covers2.mouseover(fin).mouseout(fout);
        return this;
    };
    chart.click = function (f) {
        covers2.hide();
        covers.show();
        covers.click(f);
        return this;
    };
    chart.each = function (f) {
        if (!Raphael.is(f, "function")) {
            return this;
        }
        for (var i = covers.length; i--;) {
            f.call(covers[i]);
        }
        return this;
    };
    chart.eachColumn = function (f) {
        if (!Raphael.is(f, "function")) {
            return this;
        }
        for (var i = covers2.length; i--;) {
            f.call(covers2[i]);
        }
        return this;
    };
    chart.clickColumn = function (f) {
        covers.hide();
        covers2.show();
        covers2.click(f);
        return this;
    };
    chart.push(bars, covers, covers2);
    chart.bars = bars;
    chart.covers = covers;
    return chart;
};
Raphael.fn.g.hbarchart = function (x, y, width, height, values, opts) {
    opts = opts || {};
    var type = {round: "round", sharp: "sharp", soft: "soft"}[opts.type] || "square",
        gutter = parseFloat(opts.gutter || "20%"),
        chart = this.set(),
        bars = this.set(),
        covers = this.set(),
        covers2 = this.set(),
        total = Math.max.apply(Math, values),
        stacktotal = [],
        paper = this,
        multi = 0,
        colors = opts.colors || this.g.colors,
        len = values.length;
    if (this.raphael.is(values[0], "array")) {
        total = [];
        multi = len;
        len = 0;
        for (var i = values.length; i--;) {
            bars.push(this.set());
            total.push(Math.max.apply(Math, values[i]));
            len = Math.max(len, values[i].length);
        }
        if (opts.stacked) {
            for (var i = len; i--;) {
                var tot = 0;
                for (var j = values.length; j--;) {
                    tot +=+ values[j][i] || 0;
                }
                stacktotal.push(tot);
            }
        }
        for (var i = values.length; i--;) {
            if (values[i].length < len) {
                for (var j = len; j--;) {
                    values[i].push(0);
                }
            }
        }
        total = Math.max.apply(Math, opts.stacked ? stacktotal : total);
    }
    
    total = (opts.to) || total;
    var barheight = Math.floor(height / len * (100 - gutter) / 100),
        bargutter = Math.floor(height / len * gutter / 100),
        stack = [],
        Y = y + bargutter / 2,
        X = (width - 1) / total;
    !opts.stacked && (barheight /= multi || 1);
    for (var i = 0; i < len; i++) {
        stack = [];
        for (var j = 0; j < (multi || 1); j++) {
            var val = multi ? values[j][i] : values[i],
                bar = this.g.finger(x, Y + barheight / 2, Math.round(val * X), barheight - 1, false, type).attr({stroke: "none", fill: colors[multi ? j : i]});
            if (multi) {
                bars[j].push(bar);
            } else {
                bars.push(bar);
            }
            bar.x = x + Math.round(val * X);
            bar.y = Y + barheight / 2;
            bar.w = Math.round(val * X);
            bar.h = barheight;
            bar.value = +val;
            if (!opts.stacked) {
                Y += barheight;
            } else {
                stack.push(bar);
            }
        }
        if (opts.stacked) {
            var cvr = this.rect(x, stack[0].y - stack[0].h / 2, width, barheight).attr(this.g.shim);
            covers2.push(cvr);
            cvr.bars = this.set();
            var size = 0;
            for (var s = stack.length; s--;) {
                stack[s].toFront();
            }
            for (var s = 0, ss = stack.length; s < ss; s++) {
                var bar = stack[s],
                    cover,
                    val = Math.round((size + bar.value) * X),
                    path = this.g.finger(x, bar.y, val, barheight - 1, false, type, 1);
                cvr.bars.push(bar);
                size && bar.attr({path: path});
                bar.w = val;
                bar.x = x + val;
                covers.push(cover = this.rect(x + size * X, bar.y - bar.h / 2, bar.value * X, barheight).attr(this.g.shim));
                cover.bar = bar;
                size += bar.value;
            }
            Y += barheight;
        }
        Y += bargutter;
    }
    covers2.toFront();
    Y = y + bargutter;
    if (!opts.stacked) {
        for (var i = 0; i < len; i++) {
            for (var j = 0; j < (multi || 1); j++) {
                var cover = this.rect(x, Y, width, barheight).attr(this.g.shim);
                covers.push(cover);
                cover.bar = multi ? bars[j][i] : bars[i];
                cover.value = cover.bar.value;
                Y += barheight;
            }
            Y += bargutter;
        }
    }
    chart.label = function (labels, isRight) {
        labels = labels || [];
        this.labels = paper.set();
        for (var i = 0; i < len; i++) {
            for (var j = 0; j < multi; j++) {
                var  label = paper.g.labelise(multi ? labels[j] && labels[j][i] : labels[i], multi ? values[j][i] : values[i], total);
                var X = isRight ? bars[i * (multi || 1) + j].x - barheight / 2 + 3 : x + 5,
                    A = isRight ? "end" : "start",
                    L;
                this.labels.push(L = paper.g.text(X, bars[i * (multi || 1) + j].y, label).attr({"text-anchor": A}).insertBefore(covers[0]));
                if (L.getBBox().x < x + 5) {
                    L.attr({x: x + 5, "text-anchor": "start"});
                } else {
                    bars[i * (multi || 1) + j].label = L;
                }
            }
        }
        return this;
    };
    chart.hover = function (fin, fout) {
        covers2.hide();
        covers.show();
        fout = fout || function () {};
        covers.mouseover(fin).mouseout(fout);
        return this;
    };
    chart.hoverColumn = function (fin, fout) {
        covers.hide();
        covers2.show();
        fout = fout || function () {};
        covers2.mouseover(fin).mouseout(fout);
        return this;
    };
    chart.each = function (f) {
        if (!Raphael.is(f, "function")) {
            return this;
        }
        for (var i = covers.length; i--;) {
            f.call(covers[i]);
        }
        return this;
    };
    chart.eachColumn = function (f) {
        if (!Raphael.is(f, "function")) {
            return this;
        }
        for (var i = covers2.length; i--;) {
            f.call(covers2[i]);
        }
        return this;
    };
    chart.click = function (f) {
        covers2.hide();
        covers.show();
        covers.click(f);
        return this;
    };
    chart.clickColumn = function (f) {
        covers.hide();
        covers2.show();
        covers2.click(f);
        return this;
    };
    chart.push(bars, covers, covers2);
    chart.bars = bars;
    chart.covers = covers;
    return chart;
};

/*!
 * g.Raphael 0.4.2 - Charting library, based on Raphaël
 *
 * Copyright (c) 2009 Dmitry Baranovskiy (http://g.raphaeljs.com)
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
 */
Raphael.fn.g.linechart = function (x, y, width, height, valuesx, valuesy, opts) {
    function shrink(values, dim) {
        var k = values.length / dim,
            j = 0,
            l = k,
            sum = 0,
            res = [];
        while (j < values.length) {
            l--;
            if (l < 0) {
                sum += values[j] * (1 + l);
                res.push(sum / k);
                sum = values[j++] * -l;
                l += k;
            } else {
                sum += values[j++];
            }
        }
        return res;
    }
    function getAnchors(p1x, p1y, p2x, p2y, p3x, p3y) {
        var l1 = (p2x - p1x) / 2,
            l2 = (p3x - p2x) / 2,
            a = Math.atan((p2x - p1x) / Math.abs(p2y - p1y)),
            b = Math.atan((p3x - p2x) / Math.abs(p2y - p3y));
        a = p1y < p2y ? Math.PI - a : a;
        b = p3y < p2y ? Math.PI - b : b;
        var alpha = Math.PI / 2 - ((a + b) % (Math.PI * 2)) / 2,
            dx1 = l1 * Math.sin(alpha + a),
            dy1 = l1 * Math.cos(alpha + a),
            dx2 = l2 * Math.sin(alpha + b),
            dy2 = l2 * Math.cos(alpha + b);
        return {
            x1: p2x - dx1,
            y1: p2y + dy1,
            x2: p2x + dx2,
            y2: p2y + dy2
        };
    }
    opts = opts || {};
    if (!this.raphael.is(valuesx[0], "array")) {
        valuesx = [valuesx];
    }
    if (!this.raphael.is(valuesy[0], "array")) {
        valuesy = [valuesy];
    }
    var gutter = opts.gutter || 10,
        len = Math.max(valuesx[0].length, valuesy[0].length),
        symbol = opts.symbol || "",
        colors = opts.colors || Raphael.fn.g.colors,
        that = this,
        columns = null,
        dots = null,
        chart = this.set(),
        path = [];

    for (var i = 0, ii = valuesy.length; i < ii; i++) {
        len = Math.max(len, valuesy[i].length);
    }
    var shades = this.set();
    for (i = 0, ii = valuesy.length; i < ii; i++) {
        if (opts.shade) {
            shades.push(this.path().attr({stroke: "none", fill: colors[i], opacity: opts.nostroke ? 1 : .3}));
        }
        if (valuesy[i].length > width - 2 * gutter) {
            valuesy[i] = shrink(valuesy[i], width - 2 * gutter);
            len = width - 2 * gutter;
        }
        if (valuesx[i] && valuesx[i].length > width - 2 * gutter) {
            valuesx[i] = shrink(valuesx[i], width - 2 * gutter);
        }
    }
    var allx = Array.prototype.concat.apply([], valuesx),
        ally = Array.prototype.concat.apply([], valuesy),
        xdim = this.g.snapEnds(Math.min.apply(Math, allx), Math.max.apply(Math, allx), valuesx[0].length - 1),
        minx = xdim.from,
        maxx = xdim.to,
        ydim = this.g.snapEnds(Math.min.apply(Math, ally), Math.max.apply(Math, ally), valuesy[0].length - 1),
        miny = ydim.from,
        maxy = ydim.to,
        kx = (width - gutter * 2) / ((maxx - minx) || 1),
        ky = (height - gutter * 2) / ((maxy - miny) || 1);

    var axis = this.set();
    if (opts.axis) {
        var ax = (opts.axis + "").split(/[,\s]+/);
        +ax[0] && axis.push(this.g.axis(x + gutter, y + gutter, width - 2 * gutter, minx, maxx, opts.axisxstep || Math.floor((width - 2 * gutter) / 20), 2));
        +ax[1] && axis.push(this.g.axis(x + width - gutter, y + height - gutter, height - 2 * gutter, miny, maxy, opts.axisystep || Math.floor((height - 2 * gutter) / 20), 3));
        +ax[2] && axis.push(this.g.axis(x + gutter, y + height - gutter, width - 2 * gutter, minx, maxx, opts.axisxstep || Math.floor((width - 2 * gutter) / 20), 0));
        +ax[3] && axis.push(this.g.axis(x + gutter, y + height - gutter, height - 2 * gutter, miny, maxy, opts.axisystep || Math.floor((height - 2 * gutter) / 20), 1));
    }
    var lines = this.set(),
        symbols = this.set(),
        line;
    for (i = 0, ii = valuesy.length; i < ii; i++) {
        if (!opts.nostroke) {
            lines.push(line = this.path().attr({
                stroke: colors[i],
                "stroke-width": opts.width || 2,
                "stroke-linejoin": "round",
                "stroke-linecap": "round",
                "stroke-dasharray": opts.dash || ""
            }));
        }
        var sym = this.raphael.is(symbol, "array") ? symbol[i] : symbol,
            symset = this.set();
        path = [];
        for (var j = 0, jj = valuesy[i].length; j < jj; j++) {
            var X = x + gutter + ((valuesx[i] || valuesx[0])[j] - minx) * kx,
                Y = y + height - gutter - (valuesy[i][j] - miny) * ky;
            (Raphael.is(sym, "array") ? sym[j] : sym) && symset.push(this.g[Raphael.fn.g.markers[this.raphael.is(sym, "array") ? sym[j] : sym]](X, Y, (opts.width || 2) * 3).attr({fill: colors[i], stroke: "none"}));
            if (opts.smooth) {
                if (j && j != jj - 1) {
                    var X0 = x + gutter + ((valuesx[i] || valuesx[0])[j - 1] - minx) * kx,
                        Y0 = y + height - gutter - (valuesy[i][j - 1] - miny) * ky,
                        X2 = x + gutter + ((valuesx[i] || valuesx[0])[j + 1] - minx) * kx,
                        Y2 = y + height - gutter - (valuesy[i][j + 1] - miny) * ky;
                    var a = getAnchors(X0, Y0, X, Y, X2, Y2);
                    path = path.concat([a.x1, a.y1, X, Y, a.x2, a.y2]);
                }
                if (!j) {
                    path = ["M", X, Y, "C", X, Y];
                }
            } else {
                path = path.concat([j ? "L" : "M", X, Y]);
            }
        }
        if (opts.smooth) {
            path = path.concat([X, Y, X, Y]);
        }
        symbols.push(symset);
        if (opts.shade) {
            shades[i].attr({path: path.concat(["L", X, y + height - gutter, "L",  x + gutter + ((valuesx[i] || valuesx[0])[0] - minx) * kx, y + height - gutter, "z"]).join(",")});
        }
        !opts.nostroke && line.attr({path: path.join(",")});
    }
    function createColumns(f) {
        // unite Xs together
        var Xs = [];
        for (var i = 0, ii = valuesx.length; i < ii; i++) {
            Xs = Xs.concat(valuesx[i]);
        }
        Xs.sort();
        // remove duplicates
        var Xs2 = [],
            xs = [];
        for (i = 0, ii = Xs.length; i < ii; i++) {
            Xs[i] != Xs[i - 1] && Xs2.push(Xs[i]) && xs.push(x + gutter + (Xs[i] - minx) * kx);
        }
        Xs = Xs2;
        ii = Xs.length;
        var cvrs = f || that.set();
        for (i = 0; i < ii; i++) {
            var X = xs[i] - (xs[i] - (xs[i - 1] || x)) / 2,
                w = ((xs[i + 1] || x + width) - xs[i]) / 2 + (xs[i] - (xs[i - 1] || x)) / 2,
                C;
            f ? (C = {}) : cvrs.push(C = that.rect(X - 1, y, Math.max(w + 1, 1), height).attr({stroke: "none", fill: "#000", opacity: 0}));
            C.values = [];
            C.symbols = that.set();
            C.y = [];
            C.x = xs[i];
            C.axis = Xs[i];
            for (var j = 0, jj = valuesy.length; j < jj; j++) {
                Xs2 = valuesx[j] || valuesx[0];
                for (var k = 0, kk = Xs2.length; k < kk; k++) {
                    if (Xs2[k] == Xs[i]) {
                        C.values.push(valuesy[j][k]);
                        C.y.push(y + height - gutter - (valuesy[j][k] - miny) * ky);
                        C.symbols.push(chart.symbols[j][k]);
                    }
                }
            }
            f && f.call(C);
        }
        !f && (columns = cvrs);
    }
    function createDots(f) {
        var cvrs = f || that.set(),
            C;
        for (var i = 0, ii = valuesy.length; i < ii; i++) {
            for (var j = 0, jj = valuesy[i].length; j < jj; j++) {
                var X = x + gutter + ((valuesx[i] || valuesx[0])[j] - minx) * kx,
                    nearX = x + gutter + ((valuesx[i] || valuesx[0])[j ? j - 1 : 1] - minx) * kx,
                    Y = y + height - gutter - (valuesy[i][j] - miny) * ky;
                f ? (C = {}) : cvrs.push(C = that.circle(X, Y, Math.abs(nearX - X) / 2).attr({stroke: "none", fill: "#000", opacity: 0}));
                C.x = X;
                C.y = Y;
                C.value = valuesy[i][j];
                C.line = chart.lines[i];
                C.shade = chart.shades[i];
                C.symbol = chart.symbols[i][j];
                C.symbols = chart.symbols[i];
                C.axis = (valuesx[i] || valuesx[0])[j];
                f && f.call(C);
            }
        }
        !f && (dots = cvrs);
    }
    chart.push(lines, shades, symbols, axis, columns, dots);
    chart.lines = lines;
    chart.shades = shades;
    chart.symbols = symbols;
    chart.axis = axis;
    chart.hoverColumn = function (fin, fout) {
        !columns && createColumns();
        columns.mouseover(fin).mouseout(fout);
        return this;
    };
    chart.clickColumn = function (f) {
        !columns && createColumns();
        columns.click(f);
        return this;
    };
    chart.hrefColumn = function (cols) {
        var hrefs = that.raphael.is(arguments[0], "array") ? arguments[0] : arguments;
        if (!(arguments.length - 1) && typeof cols == "object") {
            for (var x in cols) {
                for (var i = 0, ii = columns.length; i < ii; i++) if (columns[i].axis == x) {
                    columns[i].attr("href", cols[x]);
                }
            }
        }
        !columns && createColumns();
        for (i = 0, ii = hrefs.length; i < ii; i++) {
            columns[i] && columns[i].attr("href", hrefs[i]);
        }
        return this;
    };
    chart.hover = function (fin, fout) {
        !dots && createDots();
        dots.mouseover(fin).mouseout(fout);
        return this;
    };
    chart.click = function (f) {
        !dots && createDots();
        dots.click(f);
        return this;
    };
    chart.each = function (f) {
        createDots(f);
        return this;
    };
    chart.eachColumn = function (f) {
        createColumns(f);
        return this;
    };
    return chart;
};

var admin = {
    tests: {
        delete_test: function(jid){
            $('delete-' + jid).show();
            $('actions-' + jid).hide();
        },
        cancel_delete: function(jid){
            $('delete-' + jid).hide();
            $('actions-' + jid).show();
        }
    },
    chart: {
        years: {},
        yearin: function(jid, year){
            this.flag = admin.chart.years[jid + '-' + year].g.popup(150, this.bars[0].y, this.bars[0].value + ' / ' + (this.bars[0].value + this.bars[1].value) + ' Successfully completed').attr({font: '12px "Trebuchet MS"'}).insertBefore(this);
        },
        yearout: function(){
            this.flag.animate({opacity: 0}, 300, function () {this.hide();});
        },
        year: function(jid, year, button){
            if(admin.chart.years[jid + '-' + year]){
                $('chart-' + jid + '-' + year).remove();
                admin.chart.years[jid + '-' + year] = undefined;
                return;
            }
            var data = [[424, 1040], [23, 29], ['May 2011', 'April 2011']];
            data = chartyeardata[year];
            var chartbox = new Element('div', {'id': 'chart-' + jid + '-' + year, 'class': 'chartbox'});
            chartbox.absolutize();
            chartbox.clonePosition($(button), {offsetTop: -9, setWidth: false, setHeight: false});
            var cell = $(button).up('td').next('td');
            chartbox.setStyle({left: cell.viewportOffset().left + 'px'});
            document.body.appendChild(chartbox);
            var width = cell.next('td', 2).viewportOffset().left - cell.viewportOffset().left;
            chartbox.setStyle({width: width + 'px', height: (data[0].length * 50 - 3) + 'px', overflow: 'hidden'});
            admin.chart.years[jid + '-' + year] = Raphael('chart-' + jid + '-' + year);
            var c = admin.chart.years[jid + '-' + year].g.hbarchart(1, 0, 351, data[0].length * 50, [data[0], data[1]], {stacked: true, type: 'soft', gutter: '30%'}).hoverColumn(admin.chart.yearin.curry(jid, year), admin.chart.yearout.curry(jid, year));
            c.scale(0.1, 1, 0, 0);
            c.animate({scale: [1, 1, 1, 0]}, 500);
            var srv = [];
            var srk = [];
            for(var i=0;i<data[2].length;i++){
                admin.chart.years[jid + '-' + year].text(10, i * 50 + 25, data[2][i]).attr({fill: '#ccc', font: '14px "Trebuchet MS"', 'text-anchor': 'start'});
                srk.push(i);
                srv.push(Math.round(data[0][i] / (data[0][i] + data[1][i]) * 10000) / 100);
            }
            var l = admin.chart.years[jid + '-' + year].g.linechart(360, 15, 130, data[0].length * 50 - 31, srv.reverse(), srk, {symbol: "o"}).hover(function (jid, year){
                this.tag = this.tag || admin.chart.years[jid + '-' + year].g.tag(this.x, this.y, this.axis + '% Success rate', 0, 7).insertBefore(this);
                this.tag.show();
            }.curry(jid, year), function (){
                this.tag && this.tag.hide();
            });
            l.symbols.attr({r: 1, opacity: 0});
            l.lines.attr({opacity: 0});
            l.lines.animate({opacity: 1}, 500);
            l.symbols.animate({r: 5, opacity: 1}, 500, '<');
        }
    },
    loglastid: 0,
    logactions: {
        1: ['Created an account', 'add'],
        2: ['Activated his account', 'tick'],
        3: ['Forgot his password', 'key_go'],
        4: ['Updated his profile', 'vcard'],
        10: ['Started', 'control_play_blue'],
        11: ['Finished', 'tick'],
        12: ['Finished', 'cross'],
        1001: ['Added', 'add'],
        1002: ['Deleted', 'delete'],
        1003: ['Updated', 'disk'],
        1004: ['Activated', 'lightbulb'],
        1005: ['Deactivated', 'lightbulb_off'],
        1011: ['Added', 'add'],
        1012: ['Deleted', 'delete'],
        1013: ['Updated', 'disk'],
        1014: ['Activated', 'lightbulb'],
        1015: ['Deactivated', 'lightbulb_off'],
        1016: ['Merged', 'arrow_join'],
        1023: ['Updated', 'disk'],
        1024: ['Reset', 'undo']
    },
    logtarget: function(ctx){
        if(ctx == null){
            ctx = {};
        }
        var r = '';
        var icon = '';
        if(ctx.userid != undefined){
            icon = 'user';
            if(ctx.user.role >= 100){
                icon = 'tux';
            }else if(ctx.user.role >= 30){
                icon = 'user_gray';
            }
            r += simply_c_button('/admin/users/edit/' + ctx.user.id, ctx.user.name, icon, '', 'title=' + ctx.user.email);
            r += admin.filterbut('target', 'u.' + ctx.user.id, ctx.user.name, icon);
        }
        if(ctx.testid != undefined){
            r += simply_c_button('/admin/tests/' + ctx.test.journalid + '/' + ctx.test.id, ctx.test['short'] + ' ' + ctx.test.name, 'application_form');
            r += admin.filterbut('target', 't.' + ctx.test.id, ctx.test['short'] + ' ' + ctx.test.name, 'application_form');
        }
        if(ctx.targetid != undefined){
            icon = 'user';
            if(ctx.target.role >= 100){
                icon = 'tux';
            }else if(ctx.target.role >= 30){
                icon = 'user_gray';
            }
            r += '<div> with </div>' + simply_c_button('/admin/users/edit/' + ctx.target.id, ctx.target.name, icon, '', 'title=' + ctx.target.email);
            r += admin.filterbut('target', 'u.' + ctx.target.id, ctx.target.name, icon);
        }
        if(ctx.journalid != undefined){
            r += simply_c_button('/admin/journals/' + ctx.journal.id, ctx.journal['short'], 'report', '', 'title=' + ctx.journal.name);
            r += admin.filterbut('target', 'j.' + ctx.journal.id, ctx.journal['short'], 'report');
        }
        return r;
    },
    filterbut: function(type, id, text, ic){
        id = '' + id;
        if(admin.filters[type][id]){
            var href = 'javascript:admin.delete_filter(\'' + type + '\', \'' + id + '\', \'' + text + '\', \'' + ic + '\');';
            var ic = 'delete';
        }else{
            var href = 'javascript:admin.add_filter(\'' + type + '\', \'' + id + '\', \'' + text + '\', \'' + ic + '\');';
            var ic = 'add';
        }
        return simply_c_button(href, '&nbsp;', 'filter-' + ic, 'icon-only' + (ic == 'add' ? ' filter' : ''), 'title=' + (ic == 'add' ? 'Add to filters' : 'Remove from filters'));
    },
    get_filters: function(){
        var f = get_cookie('filters');
        if(f == null){
            f = {'source': {}, 'action': {}, 'target': {}};
        }else{
            f = f.evalJSON();
        }
        return f;
    },
    add_filter: function(type, id, text, ic){
        f = admin.get_filters();
        f[type][id] = {t: text, i: ic};
        set_cookie('filters', Object.toJSON(f));
        admin.refilter();
    },
    delete_filter: function(type, id){
        f = admin.get_filters();
        delete f[type][id];
        set_cookie('filters', Object.toJSON(f));
        admin.refilter();
    },
    filter_list: function(){
        if(Object.keys(admin.filters.source).length == 0 && Object.keys(admin.filters.action).length == 0 && Object.keys(admin.filters.target).length == 0){
            $('logfilters').update('');
        }else{
            var h = '<div style="font-weight: bold; float: left;">Filters: </div>';
            if(Object.keys(admin.filters.source).length > 0){
                h += '<br style="clear: both;" /><div style="font-weight: bold; float: left; padding: 5px 10px;">User: </div>';
                $H(admin.filters.source).each(function(item){
                    h += simply_c_button('javascript:admin.delete_filter(\'source\', \'' + item.key + '\');', item.value.t, item.value.i);
                });
            }
            if(Object.keys(admin.filters.action).length > 0){
                h += '<br style="clear: both;" /><div style="font-weight: bold; float: left; padding: 5px 10px;">Action: </div>';
                $H(admin.filters.action).each(function(item){
                    h += simply_c_button('javascript:admin.delete_filter(\'action\', \'' + item.key + '\');', item.value.t, item.value.i);
                });
            }
            if(Object.keys(admin.filters.target).length > 0){
                h += '<br style="clear: both;" /><div style="font-weight: bold; float: left; padding: 5px 10px;">Target: </div>';
                $H(admin.filters.target).each(function(item){
                    h += simply_c_button('javascript:admin.delete_filter(\'target\', \'' + item.key + '\');', item.value.t, item.value.i);
                });
            }
            var lf = $('logfilters');
            lf.update(h);
            lf.select('div.but').each(function(el){
                el.on('mouseover', 'div.but', function(e, b){
                    $(b).addClassName('hover');
                });
                el.on('mouseout', 'div.but', function(e, b){
                    $(b).removeClassName('hover');
                });
            });
        }
    },
    refilter: function(){
        admin.loglastid = '';
        var table = $('log');
        while(table.rows.length > 2){
            table.deleteRow(1);
        }
        admin.logmore();
    },
    log: function(items){
        var table = $('log');
        admin.filters = admin.get_filters();
        admin.filter_list();
        for(var i=0;i<items.length;i++){
            var row = table.insertRow(table.rows.length - ($('logmore') ? 1 : 0));
            var source = $(row.insertCell(0));
            var uicon = 'user';
            if(items[i].sourcerole >= 100){
                uicon = 'tux';
            }else if(items[i].sourcerole >= 30){
                uicon = 'user_gray';
            }
            var sourcehtml = simply_c_button('/admin/users/edit/' + items[i].sourceid, items[i].sourcename, uicon, '', 'title=' + items[i].sourceemail);
            sourcehtml += admin.filterbut('source', items[i].sourceid, items[i].sourcename, uicon);
            source.update(sourcehtml);
            var action = $(row.insertCell(1));
            var a = admin.logactions[items[i].action];
            if(admin.filters['action'][items[i].action]){
                var href = 'javascript:admin.delete_filter(\'action\', \'' + items[i].action + '\');';
                var fic = 'delete';
            }else{
                var href = 'javascript:admin.add_filter(\'action\', \'' + items[i].action + '\', \'' + a[0] + '\', \'' + a[1] + '\');';
                var fic = 'add';
            }
            var actionhtml = simply_c_button(href, a[0], a[1], 'action-' + fic);
//            actionhtml += admin.filterbut('action', items[i].action, a[0], a[1]);
            action.update(actionhtml);
            var target = $(row.insertCell(2));
            var targethtml = admin.logtarget(items[i].context);
//            targethtml += filterbut('target');
            target.update(targethtml);
            var time = $(row.insertCell(3));
            time.update(simply_mod_timediff(items[i].timestamp));
            admin.loglastid = items[i].id;
            $(row).select('div.but').each(function(el){
                el.on('mouseover', 'div.but', function(e, b){
                    $(b).addClassName('hover');
                });
                el.on('mouseout', 'div.but', function(e, b){
                    $(b).removeClassName('hover');
                });
            });
            $(row).on('mouseover', 'tr', function(e, r){
                $(r).addClassName('hover');
            });
            $(row).on('mouseout', 'tr', function(e, r){
                $(r).removeClassName('hover');
            });
        }
    },
    logmore: function(){
        new Ajax.Request('/admin/log/' + admin.loglastid, {
            method: 'get',
            onSuccess: function(t){
                var r = t.responseText.evalJSON();
                admin.log(r.items);
                if(r.last){
                    $('logmore').setStyle({visibility: 'hidden'});
                }else{
                    $('logmore').setStyle({visibility: 'visible'});
                    var b = $('log').select('div.logmore button')[0];
                    b.removeClassName('ic-loading');
                    b.addClassName('ic-control_down_blue');
                    b.update('Show more');
                }
            }
        });
        $('logmore').setStyle({visibility: 'visible'});
        var b = $('log').select('div.logmore button')[0];
        b.removeClassName('ic-control_down_blue');
        b.addClassName('ic-loading');
        b.update('Loading ...');
    }
};


function e(s){
    return s.replace(new RegExp('"', 'g'), '&quot;');
}
function simply_mod_user(user){
    return simply_c_button('/admin/users/' + user.id, user.name, 'user_gray', '', 'title=' + user.email);
}
function simply_mod_test(test){
    return simply_c_button('/admin/tests/' + test.journalid + '/' + test.id, test['short'] + ' ' + test.name, 'application_form', '');
}
/*
CSS Browser Selector v0.4.0 (Nov 02, 2010)
Rafael Lima (http://rafael.adm.br)
http://rafael.adm.br/css_browser_selector
License: http://creativecommons.org/licenses/by/2.5/
Contributors: http://rafael.adm.br/css_browser_selector#contributors
*/
function css_browser_selector(u){var ua=u.toLowerCase(),is=function(t){return ua.indexOf(t)>-1},g='gecko',w='webkit',s='safari',o='opera',m='mobile',h=document.documentElement,b=[(!(/opera|webtv/i.test(ua))&&/msie\s(\d)/.test(ua))?('ie ie'+RegExp.$1):is('firefox/2')?g+' ff2':is('firefox/3.5')?g+' ff3 ff3_5':is('firefox/3.6')?g+' ff3 ff3_6':is('firefox/3')?g+' ff3':is('gecko/')?g:is('opera')?o+(/version\/(\d+)/.test(ua)?' '+o+RegExp.$1:(/opera(\s|\/)(\d+)/.test(ua)?' '+o+RegExp.$2:'')):is('konqueror')?'konqueror':is('blackberry')?m+' blackberry':is('android')?m+' android':is('chrome')?w+' chrome':is('iron')?w+' iron':is('applewebkit/')?w+' '+s+(/version\/(\d+)/.test(ua)?' '+s+RegExp.$1:''):is('mozilla/')?g:'',is('j2me')?m+' j2me':is('iphone')?m+' iphone':is('ipod')?m+' ipod':is('ipad')?m+' ipad':is('mac')?'mac':is('darwin')?'mac':is('webtv')?'webtv':is('win')?'win'+(is('windows nt 6.0')?' vista':''):is('freebsd')?'freebsd':(is('x11')||is('linux'))?'linux':'','js']; c = b.join(' '); h.className += ' '+c; return c;}; css_browser_selector(navigator.userAgent);

var TYPE_TEXT = 1;
var TYPE_PARAGRAPH = 2;
var TYPE_CHECKBOX = 3;
var TYPE_RADIO = 4;
var Editor = Class.create({
    initialize: function(testid, questions){
        this.testid = testid;
        this.questions = questions;
        this.modified = false;
//        this.rawquestions = questions;
        Element.on(document, 'dom:loaded', this.loaded.bind(this));
    },
    loaded: function(){
        this.table = $('questions');
/*        for(var j=0;j<this.table.rows.length;j++){
            $(this.table.rows[j]).remove();
        }
        */
        while(this.table.rows.length > 0){
            $(this.table.rows[0]).remove();
        }
        for(var i=0;i<this.questions.length;i++){
            this._add_question(this.questions[i].name, this.render_answer(i));
        }
    },
    set_modified: function(mod){
        var sd = $('save-but');
        var sb = sd.down('button');
        if(this.modified == 0 && mod == 1){
            sd.removeClassName('disabled');
            sb.writeAttribute('disabled', false);
            sb.update('Save');
        }else if(mod == 2){
            sb.removeClassName('ic-disk');
            sb.addClassName('ic-loading');
            sb.update('Saving ...');
        }else if(mod == 0){
            sb.removeClassName('ic-loading');
            sb.addClassName('ic-disk');
            sb.update('Saved');
            sd.addClassName('disabled');
            sb.writeAttribute('disabled', true);
        }else if(mod == 3){
            sb.removeClassName('ic-loading');
            sb.addClassName('ic-error');
            sb.update('Error');
            sd.addClassName('disabled');
            sb.writeAttribute('disabled', true);
        }
        this.modified = mod;
    },
    save: function(){
        if(this.modified){
            this.set_modified(2);
            new Ajax.Request(window.location.pathname + '', {
                method: 'post',
                parameters: {
                    'questions': Object.toJSON(this.questions),
                    'action': 'save'
                },
                onSuccess: function(){
                    this.set_modified(0);
                }.bind(this),
                onFailure: function(){
                    this.set_modified(3);
                }.bind(this)
            });
        }
    },
    add_question: function(newq){
        newq.survey = this.testid;
        var index = this.questions.length;
        this.questions.push(newq);
        this._add_question(newq.name, this.render_answer(index));
        this._edit_question(index);
        this.set_modified(1);
    },
    text: function(){
        this.add_question({type: TYPE_TEXT, name: 'New question', answer: 'Answer'});
    },
    paragraph: function(){
        this.add_question({type: TYPE_PARAGRAPH, name: 'New question', answer: 'Answer'});
    },
    checkbox: function(){
        this.add_question({type: TYPE_CHECKBOX, name: 'New question', answer: '0', options: [{name: 'Option 1', correct: true}, {name: 'Option 2'}, {name: 'Option 3'}]});
    },
    radio: function(){
        this.add_question({type: TYPE_RADIO, name: 'New question', answer: '0', options: [{name: 'True', correct: true}, {name: 'False'}]});
    },
    render_answer: function(index, editing){
        var q = this.questions[index];
        if(q.type == TYPE_TEXT){
            return '<input class="text" style="width: 100%; font-family: inherit;" type="text" value="' + q.answer + '"' + (editing ? '' : ' disabled="disabled"') + ' />';
        }else if(q.type == TYPE_PARAGRAPH){
            return '<textarea class="text" rows="10" style="width: 100%; height: 38px; font-family: inherit;"' + (editing ? '' : ' disabled="disabled"') + '>' + q.answer + '</textarea>';
        }else if(q.type == TYPE_CHECKBOX){
            var r = '<table class="options' + (editing ? ' editing' : '') + '">';
            for(var i=0;i<q.options.length;i++){
                r += '<tr><td><input name="a-' + index + '" type="checkbox"' + (q.options[i].correct ? ' checked="checked"' : '') + (editing ? '' : ' disabled="disabled"') + ' /></td>';
                if(editing){
                    r += '<td><input type="text" class="text name" value="' + q.options[i].name + '" /></td><td>' + simply_c_button('javascript:editor.delete_option(this);', '&nbsp', 'delete', 'icon-only') + '</td>';
                }else{
                    r += '<td>' + q.options[i].name + '</td>';
                }
                r += '</tr>';
            }
            if(editing){
                r += '<tr><td>&nbsp;</td><td colspan="2">' + simply_c_button('javascript:editor.add_option(this, \'checkbox\');', 'Add option', 'add') + '</td>';
            }
            r += '</table>';
            return r;
        }else if(q.type == TYPE_RADIO){
            var r = '<table class="options' + (editing ? ' editing' : '') + '">';
            for(var i=0;i<q.options.length;i++){
                r += '<tr><td><input name="a-' + index + '" type="radio"' + (q.options[i].correct ? ' checked="checked"' : '') + (editing ? '' : ' disabled="disabled"') + ' /></td>';
                if(editing){
                    r += '<td><input type="text" class="text name" value="' + q.options[i].name + '" /></td><td>' + simply_c_button('javascript:editor.delete_option(this);', '&nbsp', 'delete', 'icon-only') + '</td>';
                }else{
                    r += '<td>' + q.options[i].name + '</td>';
                }
                r += '</tr>';
            }
            if(editing){
                r += '<tr><td>&nbsp;</td><td colspan="2">' + simply_c_button('javascript:editor.add_option(this, \'radio\');', 'Add option', 'add') + '</td>';
            }
            r += '</table>';
            return r;
        }
    },
    _add_question: function(question, options, editing){
        var index = this.table.rows.length / 2;
        var qtr = $(this.table.insertRow(0));
        qtr.writeAttribute({id: 'q-' + index});
        var indextd = $(qtr.insertCell(0));
        indextd.update(index+1);
        indextd.writeAttribute({rowspan: 2});
        indextd.setStyle({fontWeight: 'bold'});
        var qtd = $(qtr.insertCell(1));
        qtd.update(question);
        var actd = $(qtr.insertCell(2));
        actd.writeAttribute({rowspan: 2});
        actd.setStyle({width: '100px'});
        if(index != 0){
            indextd.setStyle({borderBottom: '1px solid #CCCCCC'});
            actd.setStyle({borderBottom: '1px solid #CCCCCC'});
        }
        actd.update(
            simply_c_button('javascript:editor.edit_question(this);', '&nbsp;', 'pencil', 'icon-only') +
            simply_c_button('javascript:editor.delete_question(this);', '&nbsp;', 'delete', 'icon-only')
        );
        var otr = this.table.insertRow(1);
        var atd = $(otr.insertCell(0));
        atd.update(options);
//        atd.writeAttribute({colspan: 2});
        if(index != 0){
            atd.setStyle({borderBottom: '1px solid #CCCCCC'});
        }
    },
    add_option: function(but, type){
        var index = $(but).up('tr', 1).previous().readAttribute('id').split('-')[1];
        $(but).up('tr').insert({
            before: '<tr><td><input name="a-' + index + '" type="' + type + '" /></td><td><input class="name" type="text" value="New option" /></td><td>' + simply_c_button('javascript:editor.delete_option(this);', '&nbsp', 'delete', 'icon-only') + '</td></tr>'
        });
    },
    delete_option: function(but){
        $(but).up('tr').remove();
    },
    edit_question: function(but){
        this._edit_question(this._get_index(but));
    },
    cancel_question: function(but){
        this._cancel_question(this._get_index(but));
    },
    save_question: function(but){
        this._save_question(this._get_index(but));
        
    },
    delete_question: function(but, sure){
        if(sure){
            this._delete_question(this._get_index(but));
        }else{
            $(but).up('td').update(
                '<div style="margin-bottom: 5px; font-weight: bold;">Are you sure?</div>' +
                simply_c_button('javascript:editor.delete_question(this, true);', '&nbsp;', 'tick', 'icon-only') +
                simply_c_button('javascript:editor.cancel_question(this);', '&nbsp;', 'cross', 'icon-only')
            );
        }
    },
    _get_index: function(but){
        return $(but).up('tr').readAttribute('id').split('-')[1];
    },
    _edit_question: function(index){
        var qtr = $('q-' + index);
        if(this.editing != undefined){
            this._cancel_question(this.editing);
        }
        this.editing = index;
        var qtd = qtr.down('td', 1);
        qtd.update('<textarea class="text" style="width: 100%; height: 38px; font-family: inherit;">' + qtd.innerHTML + '</textarea>');
        var atd = qtr.next().down('td');
        atd.update(this.render_answer(index, true));
        var actd = qtr.down('td', 2);
        actd.update(
            simply_c_button('javascript:editor.save_question(this);', '&nbsp;', 'tick', 'icon-only') +
            simply_c_button('javascript:editor.cancel_question(this);', '&nbsp;', 'cross', 'icon-only')
        );
    },
    _cancel_question: function(index){
        var qtr = $('q-' + index);
        qtr.down('td', 1).update(this.questions[index].name);
        var atd = qtr.next().down('td');
        atd.update(this.render_answer(index));
        var actd = qtr.down('td', 2);
        actd.update(
            simply_c_button('javascript:editor.edit_question(this);', '&nbsp;', 'pencil', 'icon-only') +
            simply_c_button('javascript:editor.delete_question(this);', '&nbsp;', 'delete', 'icon-only')
        );
    },
    _save_question: function(index){
        var qtr = $('q-' + index);
        var atr = qtr.next();
        var type = this.questions[index].type;
        var newq = {type: type, name: qtr.down('textarea').getValue(), survey: this.questions[index].survey};
        if(type == TYPE_RADIO || type == TYPE_CHECKBOX){
            newq.options = [];
            var ga = [];
            atr.select('input[name="a-' + index + '"]').each(function(el){
                var name = el.up('td').next().down('input').getValue();
                var a = {name: name};
                if(el.checked){
                    ga.push(newq.options.length);
                    a.correct = true;
                }
                newq.options.push(a);
            });
            newq.answer = ga.join('|');
        }else if(type == TYPE_TEXT){
            newq.answer = atr.down('input').getValue();
        }else if(type == TYPE_PARAGRAPH){
            newq.answer = atr.down('textarea').getValue();
        }
        if(!compare_objects(newq, this.questions[index])){
            this.set_modified(1);
        }
        this.questions[index] = newq;
        this._cancel_question(index);
    },
    _delete_question: function(index){
        this.editing = undefined;
        var nq = [];
        for(var i=0;i<this.questions.length;i++){
            if(i != index){
                nq.push(this.questions[i]);
            }
        }
        this.questions = nq;
        this.loaded();
        this.set_modified(1);
    }
});
Element.on(document, 'dom:loaded', function(){
    $$('input[type=checkbox]').each(function(el){
        el.checked = false;
    });
    $$('input[type=checkbox][checked=checked]').each(function(el){
        el.checked = true;
    });
    $$('input[disabled]').each(function(el){
        el.disabled = true;
    });
    $$('button[type=submit]').each(function(el){
        el.on('click', function(e, b){
            if(b.name.indexOf(':') != -1){
                var a = b.name.split(':');
                var ih = new Element('input', {type: 'hidden', 'name': a[0], 'value': a[1]});
                b.up('form').appendChild(ih);
            }
        });
    });
    var search = $('search');
    if(search){
        search.on('keyup', function(e){
            if(e.keyCode == Event.KEY_RETURN){
                users.search();
            }
        });
        var eu = $('edituser');
        if(eu){
            eu.scrollTo();
        }
    }
    $$('div.but').each(function(el){
        el.on('mouseover', 'div.but', function(e, b){
            $(b).addClassName('hover');
        });
        el.on('mouseout', 'div.but', function(e, b){
            $(b).removeClassName('hover');
        });
    });
});
var users = {
    search: function(){
        var merge = $('merge');
        if(merge){
            window.location.pathname = '/admin/users/merge/' + merge.getValue() + '/0/page/1/' + $('search').getValue();
        }else{
            window.location.pathname = '/admin/users/page/1/' + $('search').getValue();
        }
    }
};
function simply_c_button(dst, text, icon, extracls){
    divattrs = '';
    buttonattrs = '';
    buttonvalue = '';
    aattrs = '';
    for(var i=4;i<arguments.length;i++){
        a = arguments[i].split('=');
        if(a[0] == 'id'){
            divattrs += ' ' + a[0] + '="' + a[1] + '"';
        }
        if(a[0] == 'title' || a[0] == 'name' || a[0] == 'value'){
            buttonattrs += ' ' + a[0] + '="' + a[1] + '"';
            if(a[0] == 'value'){
                buttonvalue = a[1];
            }
        }
        if(a[0] == 'disabled'){
            buttonattrs += ' ' + a[0] + '="' + a[1] + '"';
            extracls += ' disabled';
        }
        if(a[0] == 'title'){
            aattrs += ' ' + a[0] + '="' + a[1] + '"';
        }
    }
    if(text == undefined){
        text = dst;
    }
    if(icon != undefined){
        iconcls = ' class="ic-' + icon + '"';
    }else{
        iconcls = '';
    }
    if(dst == 'submit'){
        but = '<button type="submit"' + iconcls + buttonattrs + '>' + text + '<span style="display: none;">' + buttonvalue + '</span></button>';
    }else if(dst.substr(0, 11) == 'javascript:'){
        but = '<button type="button"' + iconcls + ' onclick="' + dst + '"' + buttonattrs + '>' + text + '</button>';
    }else{
        but = '<a href="' + dst + '"' + iconcls + aattrs + '>' + text + '</a>';
    }
    return '<div class="but ' + extracls + '"' + divattrs + '><div class="but-r">' + but + '</div></div>';
}

var compare_objects = function(a, b){
    for(p in a){
        if(typeof(b[p]) == 'undefined'){
            return false;
        }
    }
    for(p in a){
        if(a[p]){
            switch(typeof(a[p])){
                case 'object':
                    if(!compare_objects(a[p], b[p])){
                        return false;
                    }
                    break;
                case 'function':
                    if(typeof(b[p]) == 'undefined' || (a[p].toString() != b[p].toString())){
                        return false;
                    }
                    break;
                default:
                    if(a[p] != b[p]){
                        return false;
                    }
            }
        }else{
            if(b[p]){
                return false;
            }
        }
    }
    for(p in b){
        if(typeof(a[p]) == 'undefined'){
            return false;
        }
    }
    return true;
};
function simply_mod_timediff(ts){
    var sd = new Date(ts*1000);
    var nd = new Date();
    var secs = Math.floor(nd.getTime() / 1000) - ts;
    if(secs > 2678400){
        months = (nd.getFullYear() - sd.getFullYear()) * 12 + (nd.getMonth() - sd.getMonth());
        return  months > 1 ? (months + ' months ago') : 'last month';
    }
    if(secs > 86400){
        days = Math.floor(secs / 86400);
        return days > 1 ? (days + ' days ago') : 'yesterday';
    }
    if(secs > 3600){
        hours = Math.floor(secs / 3600);
        return hours + (hours > 1 ? ' hours ago' : ' hour ago');
    }
    if(secs > 60){
        minutes = Math.floor(secs / 60);
        return minutes + (minutes > 1 ? ' minutes ago' : ' minute ago');
    }
    return secs > 1 ? (secs + ' seconds ago') : 'just now';
}
function set_cookie(name, value, days){
    if(days){
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }else{
        var expires = "";
    }
    document.cookie = name + "=" + value + expires + "; path=/";
}

function get_cookie(name){
    var n = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i < ca.length; i++){
        var c = ca[i];
        while(c.charAt(0) == ' '){
            c = c.substring(1,c.length);
        }
        if(c.indexOf(n) == 0){
            return c.substring(n.length,c.length);
        }
    }
    return null;
}
function reset_test(testid){
    $('actions-' + testid).hide();
    $('reset-' + testid).show();
}
function reset_cancel(testid){
    $('reset-' + testid).hide();
    $('actions-' + testid).show();
}
var TYPE_TEXT = 1;
var TYPE_PARAGRAPH = 2;
var TYPE_CHECKBOX = 3;
var TYPE_RADIO = 4;
var Test = Class.create({
    initialize: function(ts, q){
        var d = new Date();
        this.ts = Math.floor(d.getTime() / 1000) - ts;
        this.q = q;
        this.answered = new Hash();
        Element.on(document, 'dom:loaded', this.loaded.bind(this));
    },
    loaded: function(){
        this.timer = $('timer');
        this.table = $('tquestions');
        this.counter = $('counter');
        this.submitbut = $('submitbut');
        new PeriodicalExecuter(this.tick.bind(this), 1);
        this.table.select('input.text, textarea').each(function(el){
            el = $(el);
            if(el.getValue() != ''){
                this.answer(el, false);
            }
            el.on('keyup', function(e, el){
                if(el.getValue() == ''){
                    this.answer(el, true);
                }else{
                    this.answer(el, false);
                }
            }.bind(this));
        }.bind(this));
        this.table.select('input[type="checkbox"], input[type="radio"]').each(function(el){
            if(el.checked){
                this.answer(el, false);
            }else{
                el.on('click', this.answer.bind(this, el, false));
            }
        }.bind(this));
    },
    tick: function(pe){
        this.timer.update('Started ' + simply_mod_timediff(this.ts));
    },
    answer: function(el, clear){
        var ida = el.readAttribute('id').split('-');
        var id = 'q-' + ida[1];
        this.answered.set(id, !clear);
//        var at = this.answered.values().inject(0, function(acc, n){
//            return acc + (n ? 1 : 0);
//        });
        var j = 0;
        var ua = [];
        for(var i=0;i<this.q;i++){
            if(this.answered.get('q-' + i)){
                continue;
            }
            j++;
            ua.push(i+1);
        }
        if(j == 0){
            this.submitbut.removeClassName('disabled');
            this.submitbut.down('button').writeAttribute('disabled', false);
            this.counter.update('You answered all questions. Click Submit to view the results.');
        }else{
            this.submitbut.addClassName('disabled');
            this.submitbut.down('button').writeAttribute('disabled', true);
            var s = 'You answered ' + (this.q - j) + ' / ' + this.q + ' questions.';
            if(j > 4){
                s += 'You must answer ' + j + ' more questions to continue.';
            }else if(j > 1){
                s += 'You must answer questions ';
                for(var x=0;x<j;x++){
                    if(x == j-1){
                        s += ' and ';
                    }else if(x > 0){
                        s += ', ';
                    }
                    s += ua[x];
                }
                s += ' to continue.';
            }else{
                s += 'You must answer question ' + ua[0] + ' to continue.';
            }
            this.counter.update(s);
        }
    }
});