var IEPNGFix=window.IEPNGFix||{};
IEPNGFix.tileBG=function(_1,_2,_3){
if(!_1.currentStyle){
return;
}
var _4=this.data[_1.uniqueID],_5=Math.max(_1.clientWidth,_1.scrollWidth),_6=Math.max(_1.clientHeight,_1.scrollHeight),_7=_1.currentStyle.backgroundPositionX,_8=_1.currentStyle.backgroundPositionY,_9=_1.currentStyle.backgroundRepeat;
if(!_4.tiles){
_4.tiles={elm:_1,src:"",cache:[],img:new Image(),old:{}};
}
var _a=_4.tiles,_b=_a.img.width,_c=_a.img.height;
if(_2){
if(!_3&&_2!=_a.src){
_a.img.onload=function(){
this.onload=null;
IEPNGFix.tileBG(_1,_2,1);
};
return _a.img.src=_2;
}
}else{
if(_a.src){
_3=1;
}
_b=_c=0;
}
_a.src=_2;
if(!_3&&_5==_a.old.w&&_6==_a.old.h&&_7==_a.old.x&&_8==_a.old.y&&_9==_a.old.r){
return;
}
var _d={top:"0%",left:"0%",center:"50%",bottom:"100%",right:"100%"},x,y,pc;
x=_d[_7]||_7;
y=_d[_8]||_8;
if(pc=x.match(/(\d+)%/)){
x=Math.round((_5-_b)*(parseInt(pc[1])/100));
}
if(pc=y.match(/(\d+)%/)){
y=Math.round((_6-_c)*(parseInt(pc[1])/100));
}
x=parseInt(x);
y=parseInt(y);
var _11={"repeat":1,"repeat-x":1}[_9],_12={"repeat":1,"repeat-y":1}[_9];
if(_11){
x%=_b;
if(x>0){
x-=_b;
}
}
this.hook.enabled=0;
if(!({relative:1,absolute:1}[_1.currentStyle.position])){
_1.style.position="relative";
}
var _13=0,_14,_15=_11?_5:x+0.1,_16,_17=_12?_6:y+0.1,d,s,_1a;
if(_b&&_c){
for(_14=x;_14<_15;_14+=_b){
for(_16=y;_16<_17;_16+=_c){
_1a=0;
if(!_a.cache[_13]){
_a.cache[_13]=document.createElement("div");
_1a=1;
}
var _1b=(_14+_b>_5?_5-_14:_b),_1c=(_16+_c>_6?_6-_16:_c);
d=_a.cache[_13];
s=d.style;
s.behavior="none";
s.left=_14+"px";
s.top=_16+"px";
s.width=_1b+"px";
s.height=_1c+"px";
s.clip="rect("+(_16<0?0-_16:0)+"px,"+_1b+"px,"+_1c+"px,"+(_14<0?0-_14:0)+"px)";
s.display="block";
if(_1a){
s.position="absolute";
s.zIndex=-999;
if(_1.firstChild){
_1.insertBefore(d,_1.firstChild);
}else{
_1.appendChild(d);
}
}
this.fix(d,_2,0);
_13++;
}
}
}
while(_13<_a.cache.length){
this.fix(_a.cache[_13],"",0);
_a.cache[_13++].style.display="none";
}
this.hook.enabled=1;
_a.old={w:_5,h:_6,x:_7,y:_8,r:_9};
};
IEPNGFix.update=function(){
for(var i in IEPNGFix.data){
var t=IEPNGFix.data[i].tiles;
if(t&&t.elm&&t.src){
IEPNGFix.tileBG(t.elm,t.src);
}
}
};
IEPNGFix.update.timer=0;
if(window.attachEvent&&!window.opera){
window.attachEvent("onresize",function(){
clearTimeout(IEPNGFix.update.timer);
IEPNGFix.update.timer=setTimeout(IEPNGFix.update,100);
});
}
/*  Prototype JavaScript framework, version 1.6.1_rc2
 *  (c) 2005-2009 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: '1.6.1_rc2',

  Browser: {
    IE:     !!(window.attachEvent &&
      navigator.userAgent.indexOf('Opera') === -1),
    Opera:  navigator.userAgent.indexOf('Opera') > -1,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 &&
      navigator.userAgent.indexOf('KHTML') === -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: (function() {
      if (window.HTMLElement && window.HTMLElement.prototype)
        return true;
      if (window.Element && window.Element.prototype)
        return true;
    })(),
    SpecificElementExtensions: (function() {
      if (typeof window.HTMLDivElement !== 'undefined')
        return true;

      var div = document.createElement('div');
      if (div['__proto__'] && div['__proto__'] !==
       document.createElement('form')['__proto__']) {
        return true;
      }

      return false;
    })()
  },

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

    for (var i = 0; i < properties.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;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length) {
      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().first() == "$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() {

  function getClass(object) {
    return Object.prototype.toString.call(object)
     .match(/^\[object\s(.*)\]$/)[1];
  }

  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(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = toJSON(object[property]);
      if (!isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  }

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

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

  function keys(object) {
    var results = [];
    for (var property in object)
      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 getClass(object) === "Array";
  }


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

  function isFunction(object) {
    return typeof object === "function";
  }

  function isString(object) {
    return getClass(object) === "String";
  }

  function isNumber(object) {
    return getClass(object) === "Number";
  }

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

  extend(Object, {
    extend:        extend,
    inspect:       inspect,
    toJSON:        toJSON,
    toQueryString: toQueryString,
    toHTML:        toHTML,
    keys:          keys,
    values:        values,
    clone:         clone,
    isElement:     isElement,
    isArray:       isArray,
    isHash:        isHash,
    isFunction:    isFunction,
    isString:      isString,
    isNumber:      isNumber,
    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
  }
})());


Date.prototype.toJSON = function() {
  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"';
};


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();
      } catch(e) {
        /* empty catch for clients that don't support try/finally */
      }
      finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
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() {

  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(/<\/?[^>]+>/gi, '');
  }

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

  function extractScripts() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var 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() {
    escapeHTML.text.data = this;
    return escapeHTML.div.innerHTML;
  }

  function unescapeHTML() {
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  }

  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());
        var 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() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  }

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

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

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

  function inspect(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  }

  function toJSON() {
    return this.inspect(true);
  }

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

  function isJSON() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  }

  function evalJSON(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  }

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

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

  function endsWith(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === 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:          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,
    toJSON:         toJSON,
    unfilterJSON:   unfilterJSON,
    isJSON:         isJSON,
    evalJSON:       evalJSON,
    include:        include,
    startsWith:     startsWith,
    endsWith:       endsWith,
    empty:          empty,
    blank:          blank,
    interpolate:    interpolate
  };
})());

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);

if ('<\n>'.escapeHTML() !== '&lt;\n&gt;') {
  String.prototype.escapeHTML = function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  }
}

if ('&lt;\n&gt;'.unescapeHTML() !== '<\n>') {
  String.prototype.unescapeHTML = function() {
    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
  }
}
var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

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

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

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

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

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : 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 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) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  }
  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 : this.toArray())._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 toJSON() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.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,
    toJSON:    toJSON
  });

  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))
          return results.concat(values.map(toQueryPair.curry(key)));
      } 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 toJSON() {
    return Object.toJSON(this.toObject());
  }

  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:                 toJSON,
    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 toJSON() {
    return isFinite(this) ? this.toString() : 'null';
  }

  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,
    toJSON:         toJSON,
    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.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else 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.clone(this.options.parameters);

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

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    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);
  },

  getStatus: function() {
    try {
      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 (!window.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) {

  var SETATTRIBUTE_IGNORES_NAME = (function(){
    var elForm = document.createElement("form");
    var elInput = document.createElement("input");
    var root = document.documentElement;
    elInput.setAttribute("name", "test");
    elForm.appendChild(elInput);
    root.appendChild(elForm);
    var isBuggy = elForm.elements
      ? (typeof elForm.elements.test == "undefined")
      : null;
    root.removeChild(elForm);
    elForm = elInput = null;
    return isBuggy;
  })();

  var element = global.Element;
  global.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (SETATTRIBUTE_IGNORES_NAME && 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));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(global.Element, element || { });
  if (element) global.Element.prototype = element.prototype;
})(this);

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

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 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);

      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 (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
        if (tagName in Element._insertionTranslations.tags) {
          $A(element.childNodes).each(function(node) {
            element.removeChild(node);
          });
          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
            .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();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('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) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

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

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

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

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

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

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

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },


  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

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

  readAttribute: (function(){

    var iframeGetAttributeThrowsError = (function(){
      var el = document.createElement('iframe'),
          isBuggy = false;

      document.documentElement.appendChild(el);
      try {
        el.getAttribute('type', 2);
      } catch(e) {
        isBuggy = true;
      }
      document.documentElement.removeChild(el);
      el = null;
      return isBuggy;
    })();

    return function(element, name) {
      element = $(element);
      if (iframeGetAttributeThrowsError &&
          name === 'type' &&
          element.tagName.toUpperCase() == 'IFRAME') {
        return element.getAttribute('type');
      }
      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().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().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(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(className) ?
      'removeClassName' : 'addClassName'](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();
    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;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = element.getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari
      els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  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;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName.toUpperCase() == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return element;

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

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

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

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

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

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

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  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 = source.viewportOffset();

    element = $(element);
    var delta = [0, 0];
    var parent = null;
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    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 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        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.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      try { element.offsetParent }
      catch(e) { 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;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        try { element.offsetParent }
        catch(e) { return Element._returnOffset(0,0) }
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
    function(proceed, element) {
      try { element.offsetParent }
      catch(e) { return Element._returnOffset(0,0) }
      return proceed(element);
    }
  );

  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';
    var forProp = 'for';

    var 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, 2);
          },
          _getAttrNode: function(element, attribute) {
            var node = element.getAttributeNode(attribute);
            return node ? node.value : "";
          },
          _getEv: (function(){

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

            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._getAttr,
      src:         v._getAttr,
      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;
  };

  Element.Methods.cumulativeOffset = function(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 Element._returnOffset(valueL, valueT);
  };
}

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();
      var 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) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { 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() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

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);
        var 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');
  var HTMLAPPLETELEMENT_PROTOTYPE_BUGGY = checkDeficiency('applet');

  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY &&
        HTMLAPPLETELEMENT_PROTOTYPE_BUGGY) {
      return function(element) {
        if (element && element.tagName) {
          var tagName = element.tagName.toUpperCase();
          if (tagName === 'OBJECT' || tagName === 'APPLET') {
            extendElementWith(element, Element.Methods);
            if (tagName === 'OBJECT') {
              extendElementWith(element, Element.Methods.ByTag.OBJECT)
            }
            else if (tagName === 'APPLET') {
              extendElementWith(element, Element.Methods.ByTag.APPLET)
            }
          }
        }
        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;
})();

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

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)
    });
  }

  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);
    var 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[0];
    }

    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().update(key);
    } else {
      element.getStorage().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);
  }
});
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();

    if (this.shouldUseSelectorsAPI()) {
      this.mode = 'selectorsAPI';
    } else if (this.shouldUseXPath()) {
      this.mode = 'xpath';
      this.compileXPathMatcher();
    } else {
      this.mode = "normal";
      this.compileMatcher();
    }

  },

  shouldUseXPath: (function() {

    var IS_DESCENDANT_SELECTOR_BUGGY = (function(){
      var isBuggy = false;
      if (document.evaluate && window.XPathResult) {
        var el = document.createElement('div');
        el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>';

        var xpath = ".//*[local-name()='ul' or local-name()='UL']" +
          "//*[local-name()='li' or local-name()='LI']";

        var result = document.evaluate(xpath, el, null,
          XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);

        isBuggy = (result.snapshotLength !== 2);
        el = null;
      }
      return isBuggy;
    })();

    return function() {
      if (!Prototype.BrowserFeatures.XPath) return false;

      var e = this.expression;

      if (Prototype.Browser.WebKit &&
       (e.include("-of-type") || e.include(":empty")))
        return false;

      if ((/(\[[\w-]*?:|:checked)/).test(e))
        return false;

      if (IS_DESCENDANT_SELECTOR_BUGGY) return false;

      return true;
    }

  })(),

  shouldUseSelectorsAPI: function() {
    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

    if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;

    if (!Selector._div) Selector._div = new Element('div');

    try {
      Selector._div.querySelector(this.expression);
    } catch(e) {
      return false;
    }

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m, len = ps.length, name;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
            new Template(c[name]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m, len = ps.length, name;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        name = ps[i].name;
        if (m = e.match(ps[i].re)) {
          this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
            new Template(x[name]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

    switch (this.mode) {
      case 'selectorsAPI':
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          id = id.replace(/[\.:]/g, "\\$0");
          e = "#" + id + " " + e;
        }

        results = $A(root.querySelectorAll(e)).map(Element.extend);
        root.id = oldId;

        return results;
      case 'xpath':
        return document._getElementsByXPath(this.xpath, root);
      default:
       return this.matcher(root);
    }
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m, len = ps.length, name;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          if (as[name]) {
            this.tokens.push([name, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

if (Prototype.BrowserFeatures.SelectorsAPI &&
 document.compatMode === 'BackCompat') {
  Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
    var div = document.createElement('div'),
     span = document.createElement('span');

    div.id = "prototype_test_id";
    span.className = 'Test';
    div.appendChild(span);
    var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
    div = span = null;
    return isIgnored;
  })();
}

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
      'checked':     "[@checked]",
      'disabled':    "[(@disabled) and (@type!='hidden')]",
      'enabled':     "[not(@disabled) and (@type!='hidden')]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v, len = p.length, name;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i = 0; i<len; i++) {
            name = p[i].name
            if (m = e.match(p[i].re)) {
              v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: [
    { name: 'laterSibling', re: /^\s*~\s*/ },
    { name: 'child',        re: /^\s*>\s*/ },
    { name: 'adjacent',     re: /^\s*\+\s*/ },
    { name: 'descendant',   re: /^\s/ },

    { name: 'tagName',      re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
    { name: 'id',           re: /^#([\w\-\*]+)(\b|$)/ },
    { name: 'className',    re: /^\.([\w\-\*]+)(\b|$)/ },
    { name: 'pseudo',       re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
    { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
    { name: 'attr',         re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
  ],

  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (typeof (n = nodes[i])._countedByPrototype == 'undefined') {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;

      if (root == document) {
        if (!targetNode) return [];
        if (!nodes) return [targetNode];
      } else {
        if (!root.sourceIndex || root.sourceIndex < 1) {
          var nodes = root.getElementsByTagName('*');
          for (var j = 0, node; node = nodes[j]; j++) {
            if (node.id === id) return [node];
          }
        }
      }

      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (node.tagName == '!' || node.firstChild) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled && (!node.type || node.type !== 'hidden'))
          results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
     '-').include('-' + (v || "").toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}

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;

    var data = elements.inject({ }, 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)))) {
          if (key in result) {
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

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'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().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'].include(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 = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

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

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

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

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

  selectMany: function(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(this.optionValue(opt));
    }
    return values;
  },

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

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


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 _isButton;
  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    _isButton = function(event, code) {
      return event.button === buttonMap[code];
    };
  } else if (Prototype.Browser.WebKit) {
    _isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };
  } else {
    _isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  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;
    var elements = [element].concat(element.ancestors());
    return Selector.findElement(elements, expression, 0);
  }

  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 (Prototype.Browser.IE) {
    function _relatedTarget(event) {
      var element;
      switch (event.type) {
        case 'mouseover': element = event.fromElement; break;
        case 'mouseout':  element = event.toElement;   break;
        default: return null;
      }
      return Element.extend(element);
    }

    Object.extend(methods, {
      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 (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
      });

      return Object.extend(event, methods);
    };
  } else {
    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
    Object.extend(Event.prototype, methods);
    Event.extend = Prototype.K;
  }

  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 = [];
      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 (!Prototype.Browser.IE &&
       (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;

  if (!Prototype.Browser.IE) {
    _getDOMEventName = function(eventName) {
      var translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
      return eventName in translations ? 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("onfilterchange", 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 (Object.isUndefined(registry)) return element;

    if (eventName && !handler) {
      var responders = registry.get(eventName);

      if (Object.isUndefined(responders)) return element;

      responders.each( function(r) {
        Element.stopObserving(element, eventName, r.handler);
      });
      return element;
    } else if (!eventName) {
      registry.each( function(pair) {
        var eventName = pair.key, responders = pair.value;

        responders.each( function(r) {
          Element.stopObserving(element, eventName, r.handler);
        });
      });
      return element;
    }

    var responders = registry.get(eventName);

    if (!responders) return;

    var responder = responders.find( function(r) { return r.handler === handler; });
    if (!responder) return element;

    var actualEventName = _getDOMEventName(eventName);

    if (eventName.include(':')) {
      if (element.removeEventListener)
        element.removeEventListener("dataavailable", responder, false);
      else {
        element.detachEvent("ondataavailable", responder);
        element.detachEvent("onfilterchange",  responder);
      }
    } else {
      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', true, true);
    } else {
      event = document.createEventObject();
      event.eventType = bubble ? 'ondataavailable' : 'onfilterchange';
    }

    event.eventName = eventName;
    event.memo = memo || { };

    if (document.createEvent)
      element.dispatchEvent(event);
    else
      element.fireEvent(event.eventType, event);

    return Event.extend(event);
  }


  Object.extend(Event, Event.Methods);

  Object.extend(Event, {
    fire:          fire,
    observe:       observe,
    stopObserving: stopObserving
  });

  Element.addMethods({
    fire:          fire,

    observe:       observe,

    stopObserving: stopObserving
  });

  Object.extend(document, {
    fire:          fire.methodize(),

    observe:       observe.methodize(),

    stopObserving: stopObserving.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);

/*--------------------------------------------------------------------------*/String.prototype.parseColor=function(){
var _1="#";
if(this.slice(0,4)=="rgb("){
var _2=this.slice(4,this.length-1).split(",");
var i=0;
do{
_1+=parseInt(_2[i]).toColorPart();
}while(++i<3);
}else{
if(this.slice(0,1)=="#"){
if(this.length==4){
for(var i=1;i<4;i++){
_1+=(this.charAt(i)+this.charAt(i)).toLowerCase();
}
}
if(this.length==7){
_1=this.toLowerCase();
}
}
}
return (_1.length==7?_1:(arguments[0]||this));
};
Element.collectTextNodes=function(_4){
return $A($(_4).childNodes).collect(function(_5){
return (_5.nodeType==3?_5.nodeValue:(_5.hasChildNodes()?Element.collectTextNodes(_5):""));
}).flatten().join("");
};
Element.collectTextNodesIgnoreClass=function(_6,_7){
return $A($(_6).childNodes).collect(function(_8){
return (_8.nodeType==3?_8.nodeValue:((_8.hasChildNodes()&&!Element.hasClassName(_8,_7))?Element.collectTextNodesIgnoreClass(_8,_7):""));
}).flatten().join("");
};
Element.setContentZoom=function(_9,_a){
_9=$(_9);
_9.setStyle({fontSize:(_a/100)+"em"});
if(Prototype.Browser.WebKit){
window.scrollBy(0,0);
}
return _9;
};
Element.getInlineOpacity=function(_b){
return $(_b).style.opacity||"";
};
Element.forceRerendering=function(_c){
try{
_c=$(_c);
var n=document.createTextNode(" ");
_c.appendChild(n);
_c.removeChild(n);
}
catch(e){
}
};
var Effect={_elementDoesNotExistError:{name:"ElementDoesNotExistError",message:"The specified DOM element does not exist, but is required for this effect to operate"},Transitions:{linear:Prototype.K,sinoidal:function(_e){
return (-Math.cos(_e*Math.PI)/2)+0.5;
},reverse:function(_f){
return 1-_f;
},flicker:function(pos){
var pos=((-Math.cos(pos*Math.PI)/4)+0.75)+Math.random()/4;
return pos>1?1:pos;
},wobble:function(pos){
return (-Math.cos(pos*Math.PI*(9*pos))/2)+0.5;
},pulse:function(pos,_13){
_13=_13||5;
return (((pos%(1/_13))*_13).round()==0?((pos*_13*2)-(pos*_13*2).floor()):1-((pos*_13*2)-(pos*_13*2).floor()));
},spring:function(pos){
return 1-(Math.cos(pos*4.5*Math.PI)*Math.exp(-pos*6));
},none:function(pos){
return 0;
},full:function(pos){
return 1;
}},DefaultOptions:{duration:1,fps:100,sync:false,from:0,to:1,delay:0,queue:"parallel"},tagifyText:function(_17){
var _18="position:relative";
if(Prototype.Browser.IE){
_18+=";zoom:1";
}
_17=$(_17);
$A(_17.childNodes).each(function(_19){
if(_19.nodeType==3){
_19.nodeValue.toArray().each(function(_1a){
_17.insertBefore(new Element("span",{style:_18}).update(_1a==" "?String.fromCharCode(160):_1a),_19);
});
Element.remove(_19);
}
});
},multiple:function(_1b,_1c){
var _1d;
if(((typeof _1b=="object")||Object.isFunction(_1b))&&(_1b.length)){
_1d=_1b;
}else{
_1d=$(_1b).childNodes;
}
var _1e=Object.extend({speed:0.1,delay:0},arguments[2]||{});
var _1f=_1e.delay;
$A(_1d).each(function(_20,_21){
new _1c(_20,Object.extend(_1e,{delay:_21*_1e.speed+_1f}));
});
},PAIRS:{"slide":["SlideDown","SlideUp"],"blind":["BlindDown","BlindUp"],"appear":["Appear","Fade"]},toggle:function(_22,_23){
_22=$(_22);
_23=(_23||"appear").toLowerCase();
var _24=Object.extend({queue:{position:"end",scope:(_22.id||"global"),limit:1}},arguments[2]||{});
Effect[_22.visible()?Effect.PAIRS[_23][1]:Effect.PAIRS[_23][0]](_22,_24);
}};
Effect.DefaultOptions.transition=Effect.Transitions.sinoidal;
Effect.ScopedQueue=Class.create(Enumerable,{initialize:function(){
this.effects=[];
this.interval=null;
},_each:function(_25){
this.effects._each(_25);
},add:function(_26){
var _27=new Date().getTime();
var _28=Object.isString(_26.options.queue)?_26.options.queue:_26.options.queue.position;
switch(_28){
case "front":
this.effects.findAll(function(e){
return e.state=="idle";
}).each(function(e){
e.startOn+=_26.finishOn;
e.finishOn+=_26.finishOn;
});
break;
case "with-last":
_27=this.effects.pluck("startOn").max()||_27;
break;
case "end":
_27=this.effects.pluck("finishOn").max()||_27;
break;
}
_26.startOn+=_27;
_26.finishOn+=_27;
if(!_26.options.queue.limit||(this.effects.length<_26.options.queue.limit)){
this.effects.push(_26);
}
if(!this.interval){
this.interval=setInterval(this.loop.bind(this),15);
}
},remove:function(_2b){
this.effects=this.effects.reject(function(e){
return e==_2b;
});
if(this.effects.length==0){
clearInterval(this.interval);
this.interval=null;
}
},loop:function(){
var _2d=new Date().getTime();
for(var i=0,len=this.effects.length;i<len;i++){
this.effects[i]&&this.effects[i].loop(_2d);
}
}});
Effect.Queues={instances:$H(),get:function(_30){
if(!Object.isString(_30)){
return _30;
}
return this.instances.get(_30)||this.instances.set(_30,new Effect.ScopedQueue());
}};
Effect.Queue=Effect.Queues.get("global");
Effect.Base=Class.create({position:null,start:function(_31){
function _32(_33,_34){
return ((_33[_34+"Internal"]?"this.options."+_34+"Internal(this);":"")+(_33[_34]?"this.options."+_34+"(this);":""));
};
if(_31&&_31.transition===false){
_31.transition=Effect.Transitions.linear;
}
this.options=Object.extend(Object.extend({},Effect.DefaultOptions),_31||{});
this.currentFrame=0;
this.state="idle";
this.startOn=this.options.delay*1000;
this.finishOn=this.startOn+(this.options.duration*1000);
this.fromToDelta=this.options.to-this.options.from;
this.totalTime=this.finishOn-this.startOn;
this.totalFrames=this.options.fps*this.options.duration;
eval("this.render = function(pos){ "+"if (this.state==\"idle\"){this.state=\"running\";"+_32(this.options,"beforeSetup")+(this.setup?"this.setup();":"")+_32(this.options,"afterSetup")+"};if (this.state==\"running\"){"+"pos=this.options.transition(pos)*"+this.fromToDelta+"+"+this.options.from+";"+"this.position=pos;"+_32(this.options,"beforeUpdate")+(this.update?"this.update(pos);":"")+_32(this.options,"afterUpdate")+"}}");
this.event("beforeStart");
if(!this.options.sync){
Effect.Queues.get(Object.isString(this.options.queue)?"global":this.options.queue.scope).add(this);
}
},loop:function(_35){
if(_35>=this.startOn){
if(_35>=this.finishOn){
this.render(1);
this.cancel();
this.event("beforeFinish");
if(this.finish){
this.finish();
}
this.event("afterFinish");
return;
}
var pos=(_35-this.startOn)/this.totalTime,_37=(pos*this.totalFrames).round();
if(_37>this.currentFrame){
this.render(pos);
this.currentFrame=_37;
}
}
},cancel:function(){
if(!this.options.sync){
Effect.Queues.get(Object.isString(this.options.queue)?"global":this.options.queue.scope).remove(this);
}
this.state="finished";
},event:function(_38){
if(this.options[_38+"Internal"]){
this.options[_38+"Internal"](this);
}
if(this.options[_38]){
this.options[_38](this);
}
},inspect:function(){
var _39=$H();
for(property in this){
if(!Object.isFunction(this[property])){
_39.set(property,this[property]);
}
}
return "#<Effect:"+_39.inspect()+",options:"+$H(this.options).inspect()+">";
}});
Effect.Parallel=Class.create(Effect.Base,{initialize:function(_3a){
this.effects=_3a||[];
this.start(arguments[1]);
},update:function(_3b){
this.effects.invoke("render",_3b);
},finish:function(_3c){
this.effects.each(function(_3d){
_3d.render(1);
_3d.cancel();
_3d.event("beforeFinish");
if(_3d.finish){
_3d.finish(_3c);
}
_3d.event("afterFinish");
});
}});
Effect.Tween=Class.create(Effect.Base,{initialize:function(_3e,_3f,to){
_3e=Object.isString(_3e)?$(_3e):_3e;
var _41=$A(arguments),_42=_41.last(),_43=_41.length==5?_41[3]:null;
this.method=Object.isFunction(_42)?_42.bind(_3e):Object.isFunction(_3e[_42])?_3e[_42].bind(_3e):function(_44){
_3e[_42]=_44;
};
this.start(Object.extend({from:_3f,to:to},_43||{}));
},update:function(_45){
this.method(_45);
}});
Effect.Event=Class.create(Effect.Base,{initialize:function(){
this.start(Object.extend({duration:0},arguments[0]||{}));
},update:Prototype.emptyFunction});
Effect.Opacity=Class.create(Effect.Base,{initialize:function(_46){
this.element=$(_46);
if(!this.element){
throw (Effect._elementDoesNotExistError);
}
if(Prototype.Browser.IE&&(!this.element.currentStyle.hasLayout)){
this.element.setStyle({zoom:1});
}
var _47=Object.extend({from:this.element.getOpacity()||0,to:1},arguments[1]||{});
this.start(_47);
},update:function(_48){
this.element.setOpacity(_48);
}});
Effect.Move=Class.create(Effect.Base,{initialize:function(_49){
this.element=$(_49);
if(!this.element){
throw (Effect._elementDoesNotExistError);
}
var _4a=Object.extend({x:0,y:0,mode:"relative"},arguments[1]||{});
this.start(_4a);
},setup:function(){
this.element.makePositioned();
this.originalLeft=parseFloat(this.element.getStyle("left")||"0");
this.originalTop=parseFloat(this.element.getStyle("top")||"0");
if(this.options.mode=="absolute"){
this.options.x=this.options.x-this.originalLeft;
this.options.y=this.options.y-this.originalTop;
}
},update:function(_4b){
this.element.setStyle({left:(this.options.x*_4b+this.originalLeft).round()+"px",top:(this.options.y*_4b+this.originalTop).round()+"px"});
}});
Effect.MoveBy=function(_4c,_4d,_4e){
return new Effect.Move(_4c,Object.extend({x:_4e,y:_4d},arguments[3]||{}));
};
Effect.Scale=Class.create(Effect.Base,{initialize:function(_4f,_50){
this.element=$(_4f);
if(!this.element){
throw (Effect._elementDoesNotExistError);
}
var _51=Object.extend({scaleX:true,scaleY:true,scaleContent:true,scaleFromCenter:false,scaleMode:"box",scaleFrom:100,scaleTo:_50},arguments[2]||{});
this.start(_51);
},setup:function(){
this.restoreAfterFinish=this.options.restoreAfterFinish||false;
this.elementPositioning=this.element.getStyle("position");
this.originalStyle={};
["top","left","width","height","fontSize"].each(function(k){
this.originalStyle[k]=this.element.style[k];
}.bind(this));
this.originalTop=this.element.offsetTop;
this.originalLeft=this.element.offsetLeft;
var _53=this.element.getStyle("font-size")||"100%";
["em","px","%","pt"].each(function(_54){
if(_53.indexOf(_54)>0){
this.fontSize=parseFloat(_53);
this.fontSizeType=_54;
}
}.bind(this));
this.factor=(this.options.scaleTo-this.options.scaleFrom)/100;
this.dims=null;
if(this.options.scaleMode=="box"){
this.dims=[this.element.offsetHeight,this.element.offsetWidth];
}
if(/^content/.test(this.options.scaleMode)){
this.dims=[this.element.scrollHeight,this.element.scrollWidth];
}
if(!this.dims){
this.dims=[this.options.scaleMode.originalHeight,this.options.scaleMode.originalWidth];
}
},update:function(_55){
var _56=(this.options.scaleFrom/100)+(this.factor*_55);
if(this.options.scaleContent&&this.fontSize){
this.element.setStyle({fontSize:this.fontSize*_56+this.fontSizeType});
}
this.setDimensions(this.dims[0]*_56,this.dims[1]*_56);
},finish:function(_57){
if(this.restoreAfterFinish){
this.element.setStyle(this.originalStyle);
}
},setDimensions:function(_58,_59){
var d={};
if(this.options.scaleX){
d.width=_59.round()+"px";
}
if(this.options.scaleY){
d.height=_58.round()+"px";
}
if(this.options.scaleFromCenter){
var _5b=(_58-this.dims[0])/2;
var _5c=(_59-this.dims[1])/2;
if(this.elementPositioning=="absolute"){
if(this.options.scaleY){
d.top=this.originalTop-_5b+"px";
}
if(this.options.scaleX){
d.left=this.originalLeft-_5c+"px";
}
}else{
if(this.options.scaleY){
d.top=-_5b+"px";
}
if(this.options.scaleX){
d.left=-_5c+"px";
}
}
}
this.element.setStyle(d);
}});
Effect.Highlight=Class.create(Effect.Base,{initialize:function(_5d){
this.element=$(_5d);
if(!this.element){
throw (Effect._elementDoesNotExistError);
}
var _5e=Object.extend({startcolor:"#ffff99"},arguments[1]||{});
this.start(_5e);
},setup:function(){
if(this.element.getStyle("display")=="none"){
this.cancel();
return;
}
this.oldStyle={};
if(!this.options.keepBackgroundImage){
this.oldStyle.backgroundImage=this.element.getStyle("background-image");
this.element.setStyle({backgroundImage:"none"});
}
if(!this.options.endcolor){
this.options.endcolor=this.element.getStyle("background-color").parseColor("#ffffff");
}
if(!this.options.restorecolor){
this.options.restorecolor=this.element.getStyle("background-color");
}
this._base=$R(0,2).map(function(i){
return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16);
}.bind(this));
this._delta=$R(0,2).map(function(i){
return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i];
}.bind(this));
},update:function(_61){
this.element.setStyle({backgroundColor:$R(0,2).inject("#",function(m,v,i){
return m+((this._base[i]+(this._delta[i]*_61)).round().toColorPart());
}.bind(this))});
},finish:function(){
this.element.setStyle(Object.extend(this.oldStyle,{backgroundColor:this.options.restorecolor}));
}});
Effect.ScrollTo=function(_65){
var _66=arguments[1]||{},_67=document.viewport.getScrollOffsets(),_68=$(_65).cumulativeOffset(),max=(window.height||document.body.scrollHeight)-document.viewport.getHeight();
if(_66.offset){
_68[1]+=_66.offset;
}
return new Effect.Tween(null,_67.top,_68[1]>max?max:_68[1],_66,function(p){
scrollTo(_67.left,p.round());
});
};
Effect.Fade=function(_6b){
_6b=$(_6b);
var _6c=_6b.getInlineOpacity();
var _6d=Object.extend({from:_6b.getOpacity()||1,to:0,afterFinishInternal:function(_6e){
if(_6e.options.to!=0){
return;
}
_6e.element.hide().setStyle({opacity:_6c});
}},arguments[1]||{});
return new Effect.Opacity(_6b,_6d);
};
Effect.Appear=function(_6f){
_6f=$(_6f);
var _70=Object.extend({from:(_6f.getStyle("display")=="none"?0:_6f.getOpacity()||0),to:1,afterFinishInternal:function(_71){
_71.element.forceRerendering();
},beforeSetup:function(_72){
_72.element.setOpacity(_72.options.from).show();
}},arguments[1]||{});
return new Effect.Opacity(_6f,_70);
};
Effect.Puff=function(_73){
_73=$(_73);
var _74={opacity:_73.getInlineOpacity(),position:_73.getStyle("position"),top:_73.style.top,left:_73.style.left,width:_73.style.width,height:_73.style.height};
return new Effect.Parallel([new Effect.Scale(_73,200,{sync:true,scaleFromCenter:true,scaleContent:true,restoreAfterFinish:true}),new Effect.Opacity(_73,{sync:true,to:0})],Object.extend({duration:1,beforeSetupInternal:function(_75){
Position.absolutize(_75.effects[0].element);
},afterFinishInternal:function(_76){
_76.effects[0].element.hide().setStyle(_74);
}},arguments[1]||{}));
};
Effect.BlindUp=function(_77){
_77=$(_77);
_77.makeClipping();
return new Effect.Scale(_77,0,Object.extend({scaleContent:false,scaleX:false,restoreAfterFinish:true,afterFinishInternal:function(_78){
_78.element.hide().undoClipping();
}},arguments[1]||{}));
};
Effect.BlindDown=function(_79){
_79=$(_79);
var _7a=_79.getDimensions();
return new Effect.Scale(_79,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:0,scaleMode:{originalHeight:_7a.height,originalWidth:_7a.width},restoreAfterFinish:true,afterSetup:function(_7b){
_7b.element.makeClipping().setStyle({height:"0px"}).show();
},afterFinishInternal:function(_7c){
_7c.element.undoClipping();
}},arguments[1]||{}));
};
Effect.SwitchOff=function(_7d){
_7d=$(_7d);
var _7e=_7d.getInlineOpacity();
return new Effect.Appear(_7d,Object.extend({duration:0.4,from:0,transition:Effect.Transitions.flicker,afterFinishInternal:function(_7f){
new Effect.Scale(_7f.element,1,{duration:0.3,scaleFromCenter:true,scaleX:false,scaleContent:false,restoreAfterFinish:true,beforeSetup:function(_80){
_80.element.makePositioned().makeClipping();
},afterFinishInternal:function(_81){
_81.element.hide().undoClipping().undoPositioned().setStyle({opacity:_7e});
}});
}},arguments[1]||{}));
};
Effect.DropOut=function(_82){
_82=$(_82);
var _83={top:_82.getStyle("top"),left:_82.getStyle("left"),opacity:_82.getInlineOpacity()};
return new Effect.Parallel([new Effect.Move(_82,{x:0,y:100,sync:true}),new Effect.Opacity(_82,{sync:true,to:0})],Object.extend({duration:0.5,beforeSetup:function(_84){
_84.effects[0].element.makePositioned();
},afterFinishInternal:function(_85){
_85.effects[0].element.hide().undoPositioned().setStyle(_83);
}},arguments[1]||{}));
};
Effect.Shake=function(_86){
_86=$(_86);
var _87=Object.extend({distance:20,duration:0.5},arguments[1]||{});
var _88=parseFloat(_87.distance);
var _89=parseFloat(_87.duration)/10;
var _8a={top:_86.getStyle("top"),left:_86.getStyle("left")};
return new Effect.Move(_86,{x:_88,y:0,duration:_89,afterFinishInternal:function(_8b){
new Effect.Move(_8b.element,{x:-_88*2,y:0,duration:_89*2,afterFinishInternal:function(_8c){
new Effect.Move(_8c.element,{x:_88*2,y:0,duration:_89*2,afterFinishInternal:function(_8d){
new Effect.Move(_8d.element,{x:-_88*2,y:0,duration:_89*2,afterFinishInternal:function(_8e){
new Effect.Move(_8e.element,{x:_88*2,y:0,duration:_89*2,afterFinishInternal:function(_8f){
new Effect.Move(_8f.element,{x:-_88,y:0,duration:_89,afterFinishInternal:function(_90){
_90.element.undoPositioned().setStyle(_8a);
}});
}});
}});
}});
}});
}});
};
Effect.SlideDown=function(_91){
_91=$(_91).cleanWhitespace();
var _92=_91.down().getStyle("bottom");
var _93=_91.getDimensions();
return new Effect.Scale(_91,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:window.opera?0:1,scaleMode:{originalHeight:_93.height,originalWidth:_93.width},restoreAfterFinish:true,afterSetup:function(_94){
_94.element.makePositioned();
_94.element.down().makePositioned();
if(window.opera){
_94.element.setStyle({top:""});
}
_94.element.makeClipping().setStyle({height:"0px"}).show();
},afterUpdateInternal:function(_95){
_95.element.down().setStyle({bottom:(_95.dims[0]-_95.element.clientHeight)+"px"});
},afterFinishInternal:function(_96){
_96.element.undoClipping().undoPositioned();
_96.element.down().undoPositioned().setStyle({bottom:_92});
}},arguments[1]||{}));
};
Effect.SlideUp=function(_97){
_97=$(_97).cleanWhitespace();
var _98=_97.down().getStyle("bottom");
var _99=_97.getDimensions();
return new Effect.Scale(_97,window.opera?0:1,Object.extend({scaleContent:false,scaleX:false,scaleMode:"box",scaleFrom:100,scaleMode:{originalHeight:_99.height,originalWidth:_99.width},restoreAfterFinish:true,afterSetup:function(_9a){
_9a.element.makePositioned();
_9a.element.down().makePositioned();
if(window.opera){
_9a.element.setStyle({top:""});
}
_9a.element.makeClipping().show();
},afterUpdateInternal:function(_9b){
_9b.element.down().setStyle({bottom:(_9b.dims[0]-_9b.element.clientHeight)+"px"});
},afterFinishInternal:function(_9c){
_9c.element.hide().undoClipping().undoPositioned();
_9c.element.down().undoPositioned().setStyle({bottom:_98});
}},arguments[1]||{}));
};
Effect.Squish=function(_9d){
return new Effect.Scale(_9d,window.opera?1:0,{restoreAfterFinish:true,beforeSetup:function(_9e){
_9e.element.makeClipping();
},afterFinishInternal:function(_9f){
_9f.element.hide().undoClipping();
}});
};
Effect.Grow=function(_a0){
_a0=$(_a0);
var _a1=Object.extend({direction:"center",moveTransition:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.full},arguments[1]||{});
var _a2={top:_a0.style.top,left:_a0.style.left,height:_a0.style.height,width:_a0.style.width,opacity:_a0.getInlineOpacity()};
var _a3=_a0.getDimensions();
var _a4,_a5;
var _a6,_a7;
switch(_a1.direction){
case "top-left":
_a4=_a5=_a6=_a7=0;
break;
case "top-right":
_a4=_a3.width;
_a5=_a7=0;
_a6=-_a3.width;
break;
case "bottom-left":
_a4=_a6=0;
_a5=_a3.height;
_a7=-_a3.height;
break;
case "bottom-right":
_a4=_a3.width;
_a5=_a3.height;
_a6=-_a3.width;
_a7=-_a3.height;
break;
case "center":
_a4=_a3.width/2;
_a5=_a3.height/2;
_a6=-_a3.width/2;
_a7=-_a3.height/2;
break;
}
return new Effect.Move(_a0,{x:_a4,y:_a5,duration:0.01,beforeSetup:function(_a8){
_a8.element.hide().makeClipping().makePositioned();
},afterFinishInternal:function(_a9){
new Effect.Parallel([new Effect.Opacity(_a9.element,{sync:true,to:1,from:0,transition:_a1.opacityTransition}),new Effect.Move(_a9.element,{x:_a6,y:_a7,sync:true,transition:_a1.moveTransition}),new Effect.Scale(_a9.element,100,{scaleMode:{originalHeight:_a3.height,originalWidth:_a3.width},sync:true,scaleFrom:window.opera?1:0,transition:_a1.scaleTransition,restoreAfterFinish:true})],Object.extend({beforeSetup:function(_aa){
_aa.effects[0].element.setStyle({height:"0px"}).show();
},afterFinishInternal:function(_ab){
_ab.effects[0].element.undoClipping().undoPositioned().setStyle(_a2);
}},_a1));
}});
};
Effect.Shrink=function(_ac){
_ac=$(_ac);
var _ad=Object.extend({direction:"center",moveTransition:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.none},arguments[1]||{});
var _ae={top:_ac.style.top,left:_ac.style.left,height:_ac.style.height,width:_ac.style.width,opacity:_ac.getInlineOpacity()};
var _af=_ac.getDimensions();
var _b0,_b1;
switch(_ad.direction){
case "top-left":
_b0=_b1=0;
break;
case "top-right":
_b0=_af.width;
_b1=0;
break;
case "bottom-left":
_b0=0;
_b1=_af.height;
break;
case "bottom-right":
_b0=_af.width;
_b1=_af.height;
break;
case "center":
_b0=_af.width/2;
_b1=_af.height/2;
break;
}
return new Effect.Parallel([new Effect.Opacity(_ac,{sync:true,to:0,from:1,transition:_ad.opacityTransition}),new Effect.Scale(_ac,window.opera?1:0,{sync:true,transition:_ad.scaleTransition,restoreAfterFinish:true}),new Effect.Move(_ac,{x:_b0,y:_b1,sync:true,transition:_ad.moveTransition})],Object.extend({beforeStartInternal:function(_b2){
_b2.effects[0].element.makePositioned().makeClipping();
},afterFinishInternal:function(_b3){
_b3.effects[0].element.hide().undoClipping().undoPositioned().setStyle(_ae);
}},_ad));
};
Effect.Pulsate=function(_b4){
_b4=$(_b4);
var _b5=arguments[1]||{};
var _b6=_b4.getInlineOpacity();
var _b7=_b5.transition||Effect.Transitions.sinoidal;
var _b8=function(pos){
return _b7(1-Effect.Transitions.pulse(pos,_b5.pulses));
};
_b8.bind(_b7);
return new Effect.Opacity(_b4,Object.extend(Object.extend({duration:2,from:0,afterFinishInternal:function(_ba){
_ba.element.setStyle({opacity:_b6});
}},_b5),{transition:_b8}));
};
Effect.Fold=function(_bb){
_bb=$(_bb);
var _bc={top:_bb.style.top,left:_bb.style.left,width:_bb.style.width,height:_bb.style.height};
_bb.makeClipping();
return new Effect.Scale(_bb,5,Object.extend({scaleContent:false,scaleX:false,afterFinishInternal:function(_bd){
new Effect.Scale(_bb,1,{scaleContent:false,scaleY:false,afterFinishInternal:function(_be){
_be.element.hide().undoClipping().setStyle(_bc);
}});
}},arguments[1]||{}));
};
Effect.Morph=Class.create(Effect.Base,{initialize:function(_bf){
this.element=$(_bf);
if(!this.element){
throw (Effect._elementDoesNotExistError);
}
var _c0=Object.extend({style:{}},arguments[1]||{});
if(!Object.isString(_c0.style)){
this.style=$H(_c0.style);
}else{
if(_c0.style.include(":")){
this.style=_c0.style.parseStyle();
}else{
this.element.addClassName(_c0.style);
this.style=$H(this.element.getStyles());
this.element.removeClassName(_c0.style);
var css=this.element.getStyles();
this.style=this.style.reject(function(_c2){
return _c2.value==css[_c2.key];
});
_c0.afterFinishInternal=function(_c3){
_c3.element.addClassName(_c3.options.style);
_c3.transforms.each(function(_c4){
_c3.element.style[_c4.style]="";
});
};
}
}
this.start(_c0);
},setup:function(){
function _c5(_c6){
if(!_c6||["rgba(0, 0, 0, 0)","transparent"].include(_c6)){
_c6="#ffffff";
}
_c6=_c6.parseColor();
return $R(0,2).map(function(i){
return parseInt(_c6.slice(i*2+1,i*2+3),16);
});
};
this.transforms=this.style.map(function(_c8){
var _c9=_c8[0],_ca=_c8[1],_cb=null;
if(_ca.parseColor("#zzzzzz")!="#zzzzzz"){
_ca=_ca.parseColor();
_cb="color";
}else{
if(_c9=="opacity"){
_ca=parseFloat(_ca);
if(Prototype.Browser.IE&&(!this.element.currentStyle.hasLayout)){
this.element.setStyle({zoom:1});
}
}else{
if(Element.CSS_LENGTH.test(_ca)){
var _cc=_ca.match(/^([\+\-]?[0-9\.]+)(.*)$/);
_ca=parseFloat(_cc[1]);
_cb=(_cc.length==3)?_cc[2]:null;
}
}
}
var _cd=this.element.getStyle(_c9);
return {style:_c9.camelize(),originalValue:_cb=="color"?_c5(_cd):parseFloat(_cd||0),targetValue:_cb=="color"?_c5(_ca):_ca,unit:_cb};
}.bind(this)).reject(function(_ce){
return ((_ce.originalValue==_ce.targetValue)||(_ce.unit!="color"&&(isNaN(_ce.originalValue)||isNaN(_ce.targetValue))));
});
},update:function(_cf){
var _d0={},_d1,i=this.transforms.length;
while(i--){
_d0[(_d1=this.transforms[i]).style]=_d1.unit=="color"?"#"+(Math.round(_d1.originalValue[0]+(_d1.targetValue[0]-_d1.originalValue[0])*_cf)).toColorPart()+(Math.round(_d1.originalValue[1]+(_d1.targetValue[1]-_d1.originalValue[1])*_cf)).toColorPart()+(Math.round(_d1.originalValue[2]+(_d1.targetValue[2]-_d1.originalValue[2])*_cf)).toColorPart():(_d1.originalValue+(_d1.targetValue-_d1.originalValue)*_cf).toFixed(3)+(_d1.unit===null?"":_d1.unit);
}
this.element.setStyle(_d0,true);
}});
Effect.Transform=Class.create({initialize:function(_d3){
this.tracks=[];
this.options=arguments[1]||{};
this.addTracks(_d3);
},addTracks:function(_d4){
_d4.each(function(_d5){
_d5=$H(_d5);
var _d6=_d5.values().first();
this.tracks.push($H({ids:_d5.keys().first(),effect:Effect.Morph,options:{style:_d6}}));
}.bind(this));
return this;
},play:function(){
return new Effect.Parallel(this.tracks.map(function(_d7){
var ids=_d7.get("ids"),_d9=_d7.get("effect"),_da=_d7.get("options");
var _db=[$(ids)||$$(ids)].flatten();
return _db.map(function(e){
return new _d9(e,Object.extend({sync:true},_da));
});
}).flatten(),this.options);
}});
Element.CSS_PROPERTIES=$w("backgroundColor backgroundPosition borderBottomColor borderBottomStyle "+"borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth "+"borderRightColor borderRightStyle borderRightWidth borderSpacing "+"borderTopColor borderTopStyle borderTopWidth bottom clip color "+"fontSize fontWeight height left letterSpacing lineHeight "+"marginBottom marginLeft marginRight marginTop markerOffset maxHeight "+"maxWidth minHeight minWidth opacity outlineColor outlineOffset "+"outlineWidth paddingBottom paddingLeft paddingRight paddingTop "+"right textIndent top width wordSpacing zIndex");
Element.CSS_LENGTH=/^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
String.__parseStyleElement=document.createElement("div");
String.prototype.parseStyle=function(){
var _dd,_de=$H();
if(Prototype.Browser.WebKit){
_dd=new Element("div",{style:this}).style;
}else{
String.__parseStyleElement.innerHTML="<div style=\""+this+"\"></div>";
_dd=String.__parseStyleElement.childNodes[0].style;
}
Element.CSS_PROPERTIES.each(function(_df){
if(_dd[_df]){
_de.set(_df,_dd[_df]);
}
});
if(Prototype.Browser.IE&&this.include("opacity")){
_de.set("opacity",this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
}
return _de;
};
if(document.defaultView&&document.defaultView.getComputedStyle){
Element.getStyles=function(_e0){
var css=document.defaultView.getComputedStyle($(_e0),null);
return Element.CSS_PROPERTIES.inject({},function(_e2,_e3){
_e2[_e3]=css[_e3];
return _e2;
});
};
}else{
Element.getStyles=function(_e4){
_e4=$(_e4);
var css=_e4.currentStyle,_e6;
_e6=Element.CSS_PROPERTIES.inject({},function(_e7,_e8){
_e7[_e8]=css[_e8];
return _e7;
});
if(!_e6.opacity){
_e6.opacity=_e4.getOpacity();
}
return _e6;
};
}
Effect.Methods={morph:function(_e9,_ea){
_e9=$(_e9);
new Effect.Morph(_e9,Object.extend({style:_ea},arguments[2]||{}));
return _e9;
},visualEffect:function(_eb,_ec,_ed){
_eb=$(_eb);
var s=_ec.dasherize().camelize(),_ef=s.charAt(0).toUpperCase()+s.substring(1);
new Effect[_ef](_eb,_ed);
return _eb;
},highlight:function(_f0,_f1){
_f0=$(_f0);
new Effect.Highlight(_f0,_f1);
return _f0;
}};
$w("fade appear grow shrink fold blindUp blindDown slideUp slideDown "+"pulsate shake puff squish switchOff dropOut").each(function(_f2){
Effect.Methods[_f2]=function(_f3,_f4){
_f3=$(_f3);
Effect[_f2.charAt(0).toUpperCase()+_f2.substring(1)](_f3,_f4);
return _f3;
};
});
$w("getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles").each(function(f){
Effect.Methods[f]=Element[f];
});
Element.addMethods(Effect.Methods);
(function(){
if(Prototype){
if(parseFloat(Prototype.Version)<1.6){
throw new Error("meltmedia mocha requires Prototype Framework Ver 1.6 or higher.");
}
}
if(typeof meltmedia=="undefined"){
meltmedia=Class.create({Version:"1.1.0",toString:function(){
return "meltmedia mocha ver: "+this.Version;
}});
}
}());
var $NS=function(ns){
var a=["abstract","as","boolean","break","byte","case","catch","char","class","continue","const","debugger","default","delete","do","double","else","enum","export","extends","false","final","finally","float","for","function","goto","if","implements","import","in","instanceof","int","interface","is","long","namespace","native","new","null","package","private","protected","public","return","short","static","super","switch","synchronized","this","throw","throws","transient","true","try","typeof","use","var","void","volatile","while","with"];
var _3=function(_4){
for(var j=0;j<a.length;j++){
if(a[j]==_4){
return false;
}
}
return true;
};
var ns=ns.split(/\./),x=0,w=window,p=w[ns[x]],u="undefined";
while(p){
x++;
if(!p[ns[x]]){
break;
}
p=p[ns[x]];
}
for(var i=x;i<ns.length;i++){
if(_3(ns[i])){
if(typeof p==u&&x==0){
if(typeof w[ns[i]]==u){
p=w[ns[i]]={ns:ns[i]};
}
}else{
if(typeof p[ns[i]]==u){
p=p[ns[i]]={ns:p.ns+"."+ns[i]};
}
}
}else{
throw new Error("Invalid Namespace: Matched reserved word: "+ns[i]);
}
}
};
(function(){
$NS("meltmedia.gizmo");
$NS("meltmedia.widget");
$NS("meltmedia.component");
$NS("meltmedia.module");
$NS("meltmedia.cog");
$NS("meltmedia.util");
$NS("meltmedia.flash");
})();
$NS("meld");
$NS("meld.factory");
$NS("meld.form");
$NS("meld.utilities");
meltmedia.CustomEvent={Version:"1.0.0",fire:function(_1,_2){
if(this.events&&this.events[_1]){
for(var i=0;i<this.events[_1].listeners.length;i++){
if(!this.events[_1].listeners[i].stopped){
try{
this.events[_1].listeners[i].callback({type:_1,response:_2,toString:function(){
return "[object CustomEvent]";
}});
}
catch(e){
throw new Error(e.message);
}
}
}
}
},observe:function(_4,_5){
if(!this.events){
this.events={};
}
if(this.events[_4]){
this.events[_4].listeners.push({callback:_5,stopped:false});
}else{
this.events[_4]={listeners:[{callback:_5,stopped:false}]};
}
},stop:function(_6,_7){
if(this.events){
for(var i=0;i<this.events[_6].listeners.length;i++){
if(_7){
if(this.events[_6].listeners[i].callback.toString()==_7.toString()){
this.events[_6].listeners[i].stopped=true;
}
}else{
this.events[_6].listeners[i].stopped=true;
}
}
}
},start:function(_9,_a){
if(this.events){
for(var i=0;i<this.events[_9].listeners.length;i++){
if(_a){
if(this.events[_9].listeners[i].callback==_a){
this.events[_9].listeners[i].stopped=false;
}
}else{
this.events[_9].listeners[i].stopped=false;
}
}
}
},hasObserver:function(_c){
if(this.events){
if(this.events[_c]){
return true;
}
return false;
}
}};
meld.utilities.DomDiff=Class.create(meltmedia.CustomEvent,{initialize:function(){
},cleanNode:function(_1){
var _2=_1;
while(_2){
if(_2.hasChildNodes()){
this.cleanNode(_2.firstChild);
}
if(_2.nodeType==3&&!_2.nodeValue.match(/[\w\d\|!@#$%^&*()+=]/g)){
var _3=_2;
_2=_2.nextSibling;
_3.parentNode.removeChild(_3);
}else{
_2=_2.nextSibling;
}
}
return _1;
},compareNodes:function(_4,_5){
var _6=_4;
var _7=_5;
while(_6&&_7){
if(_6.updated){
break;
}
var _8=this.matchNodes(_6,_7);
if(!_8.node||!_8.attribute||!_8.value){
if(!_8.value){
_6=_6.parentNode;
_7=_7.parentNode;
}
this.fire("dom:change",{oldNode:_6,newNode:_7,changed:_8});
break;
}
if(_6.hasChildNodes()&&_7.hasChildNodes()){
this.compareNodes(_6.firstChild,_7.firstChild);
}
_6=_6.nextSibling;
_7=_7.nextSibling;
}
},matchNodes:function(_9,_a){
if(!_9.hasAttribute){
Element.extend(_9);
}
var _b=true;
var _c=true;
var _d=true;
var _e=["className","class","id","name","lang","textContent","alt","title","action","href","src"];
if(_9.nodeName==_a.nodeName){
if(_9.nodeType==_a.nodeType){
switch(_9.nodeType){
case 1:
if(_9.hasChildNodes()==_a.hasChildNodes()){
if(_9.hasChildNodes()&&_a.hasChildNodes()){
if(_9.childNodes.length!=_a.childNodes.length){
_b=false;
}else{
for(var i=0;i<_9.childNodes.length;i++){
if(_9.childNodes[i].nodeName!=_a.childNodes[i].nodeName){
_b=false;
break;
}
}
}
}
}else{
_b=false;
}
for(var i=0;i<_e.length;i++){
var _10=_9.getAttribute(_e[i]);
var _11=_a.getAttribute(_e[i]);
switch(_e[i]){
case "class":
if(_9.className!=_a.className){
_c=false;
}
break;
case "style":
break;
case "href":
if(_9.href!=_a.href){
_c=false;
}
break;
case "innerHTML":
if(_9.innerHTML!=_a.innerHTML){
_c=false;
}
break;
default:
if(_10&&_11){
if(_10.nodeValue!=_11.nodeValue){
_c=false;
break;
}
}else{
if(_10!=_11){
_c=false;
break;
}
}
}
}
break;
case 2:
break;
case 3:
if(_9.nodeValue!=_a.nodeValue){
_d=false;
}
break;
default:
break;
}
}else{
_b=false;
}
}else{
_b=false;
}
return {node:_b,attribute:_c,value:_d};
}});
window.DomDiff=new meld.utilities.DomDiff();
meld.utilities.DomUtil={xmlToHtmlDom:function(_1){
var _2=Element.extend(this.cloneNode(_1));
return _2;
},wrapNode:function(_3){
return new meld.node.NodeWrapper(_3);
},nodeToString:function(_4){
var _5="<";
_5+=_4.nodeName.toLowerCase()+" ";
for(var i=0;i<_4.attributes.length;i++){
_5+=_4.attributes[i].nodeName;
_5+="=\""+_4.attributes[i].nodeValue+"\" ";
}
_5+="/>";
return _5;
},cloneNode:function(_7,_8){
var _9;
switch(_7.nodeType){
case 1:
if(_7.nodeName.toLowerCase()!="script"){
if(_7.nodeName.toLowerCase()=="input"){
_9=this.nodeToString(_7);
}else{
_9=new Element(_7.nodeName);
for(var i=0;i<_7.attributes.length;i++){
if(_7.attributes[i].nodeName.toLowerCase()=="class"){
_9.className=_7.attributes[i].nodeValue;
}else{
_9.setAttribute(_7.attributes[i].nodeName,_7.attributes[i].nodeValue);
}
}
}
if(_8){
var _b=_7.firstChild;
while(_b){
var _c=this.cloneNode(_b,_8);
if(typeof _c!="object"){
_9.innerHTML+=_c;
}else{
_9.appendChild(_c);
}
_b=_b.nextSibling;
}
}
}
break;
case 3:
_9=document.createTextNode(_7.nodeValue);
break;
default:
}
return _9;
}};
meld.utilities.TreeWalker=Class.create({initialize:function(_1,_2,_3){
if(!_1.innerHTML){
_1=meld.utilities.DomUtil.cloneNode(_1,true);
}
this._node=_1;
this.currentNode=this._node;
this.nodeList=new Array();
this._filterFunction=_2;
this._removeWhiteSpace=_3;
this.walk(this._node);
}});
meld.utilities.TreeWalker.prototype.walk=function(_4){
var _5=_4.firstChild;
while(_5){
this.currentNode=_5;
if(this._removeWhiteSpace&&_5.nodeType==3&&!_5.nodeValue.match(/[\w\d\|!@#$%^&*()©®™»+=]/g)){
var _6=_5;
_5=_5.nextSibling;
_6.parentNode.removeChild(_6);
}else{
try{
this._performNodeActions(_5);
}
catch(e){
throw new Error(e.message);
}
if(_5.hasChildNodes()){
this.walk(_5);
}
_5=_5.nextSibling;
}
}
};
meld.utilities.TreeWalker.prototype._performNodeActions=function(_7){
if(!_7.hasClassName){
_7=$(_7);
}
if(this._filterFunction(_7)){
this.nodeList.push(_7);
}
};
meld.utilities.TreeWalker.prototype.update=function(){
delete this.nodeList;
this.nodeList=new Array();
this.walk(this._node);
};
meld.utilities.TreeWalker.prototype.getNodeById=function(id){
for(var i=0;i<this.nodeList.length;i++){
if(this.nodeList[i].id==id){
return this.nodeList[i];
}
}
return false;
};
$NS("meld.node");
meld.node.NodeWrapper=Class.create({initialize:function(_1){
this._node=_1;
this.innerHTML=this._node.nodeValue;
}});
meld.node.NodeWrapper.prototype.hasClassName=function(_2){
var _3=this._node;
var _4=_3.getAttribute("class");
return (_4.length>0&&(_4==_2||new RegExp("(^|\\s)"+_2+"(\\s|$)").test(_4)));
};
var Performance={timers:{},start:function(_1){
this.timers[_1]={start:new Date().getTime()};
},stop:function(_2){
this.timers[_2].end=new Date().getTime();
console.info(_2+" took "+(this.timers[_2].end-this.timers[_2].start)+" miliseconds.");
}};
meld.form.Validator=Class.create({initialize:function(_1,_2){
this._form=$(_1);
this._validators=_2;
for(var i=0;i<this._form.elements.length;i++){
$(this._form.elements[i]);
this._form.elements[i].valid=true;
if(this._form.elements[i].nodeName!="fieldset"){
this._form.elements[i].observe("blur",this.handleBlur.bind(this));
}
}
},getValidator:function(id){
try{
return this._validators[id].re;
}
catch(e){
}
},getMessage:function(id){
return this._validators[id].msg;
},isFormValid:function(){
var _6=true;
for(var i=0;i<this._form.elements.length;i++){
this.validate(this._form.elements[i]);
if(!this._form.elements[i].valid){
_6=false;
}
}
return _6;
},handleBlur:function(_8){
this.validate(_8.element());
},validate:function(el){
var re=this.getValidator(el.name);
if(re){
if(!re.match(el.value)){
el.valid=false;
if(el.msgBox==null){
this.createMessaging(el);
}
el.addClassName("error");
}else{
el.valid=true;
try{
el.parentNode.removeChild(el.msgBox);
el.msgBox=null;
}
catch(e){
}
el.removeClassName("error");
}
}
},createMessaging:function(el){
var _c=this.getMessage(el.name);
_c=(_c)?_c:"Error";
var _d=new Element("div");
_d.style.left=el.positionedOffset().left+el.getWidth()+10+"px";
_d.style.top=el.positionedOffset().top+"px";
_d.style.position="absolute";
_d.innerHTML=_c;
_d.addClassName("errorBox");
el.parentNode.appendChild(_d);
el.msgBox=_d;
}});
meltmedia.widget.ImageViewer=Class.create({generateUniqueID:function(){
var d=new Date();
var s=d.getSeconds();
var m=d.getMilliseconds();
var r=Math.floor(Math.random()*9);
return (s+""+m+"-"+r);
},Version:"1.0.0",initialize:function(_5){
this._config=_5;
this.id="mm-viewer-"+this.generateUniqueID();
this.create();
}});
meltmedia.widget.ImageViewer.prototype.create=function(){
this.element=new Element("div");
this.element.id=this.id;
this.element.className="mm-image-viewer";
this.element.hide();
if(this._config.visible){
this.element.show();
}
this.frame=new Element("div");
this.frame.className="iv-frame";
this.frame.tlCorner=new Element("div");
this.frame.tlCorner.className="iv-tl-corner";
this.frame.trCorner=new Element("div");
this.frame.trCorner.className="iv-tr-corner";
this.frame.blCorner=new Element("div");
this.frame.blCorner.className="iv-bl-corner";
this.frame.brCorner=new Element("div");
this.frame.brCorner.className="iv-br-corner";
this.frame.top=new Element("div");
this.frame.top.className="iv-top";
this.frame.right=new Element("div");
this.frame.right.className="iv-right";
this.frame.bottom=new Element("div");
this.frame.bottom.className="iv-bottom";
this.frame.left=new Element("div");
this.frame.left.className="iv-left";
this.frame.viewer=new Element("div");
this.frame.viewer.className="iv-viewer";
this.image=new Element("img");
this.image.observe("load",this.imageLoaded.bind(this));
if(this._config.image){
this.image.src=this._config.image;
}
if(this._config.animate){
this.image.hide();
}
this.frame.viewer.appendChild(this.image);
this.frame.appendChild(this.frame.tlCorner);
this.frame.appendChild(this.frame.top);
this.frame.appendChild(this.frame.trCorner);
this.frame.appendChild(this.frame.left);
this.frame.appendChild(this.frame.viewer);
this.frame.appendChild(this.frame.right);
this.frame.appendChild(this.frame.blCorner);
this.frame.appendChild(this.frame.bottom);
this.frame.appendChild(this.frame.brCorner);
this.closeBtn=new Element("a");
this.closeBtn.href="#";
this.closeBtn.className="iv-close-btn ignore";
this.closeBtn.observe("click",this.closeEvent.bind(this));
this.element.appendChild(this.frame);
this.element.appendChild(this.closeBtn);
document.body.appendChild(this.element);
if(this.frame.tlCorner.currentStyle){
var _6="progid:DXImageTransform.Microsoft.AlphaImageLoader";
if(this.frame.tlCorner.currentStyle.backgroundImage.match(/\.png/)){
this.frame.tlCorner.style.filter=_6+"(src='"+this.frame.tlCorner.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.frame.trCorner.currentStyle.backgroundImage.match(/\.png/)){
this.frame.trCorner.style.filter=_6+"(src='"+this.frame.trCorner.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.frame.blCorner.currentStyle.backgroundImage.match(/\.png/)){
this.frame.blCorner.style.filter=_6+"(src='"+this.frame.blCorner.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.frame.brCorner.currentStyle.backgroundImage.match(/\.png/)){
this.frame.brCorner.style.filter=_6+"(src='"+this.frame.brCorner.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.frame.top.currentStyle.backgroundImage.match(/\.png/)){
this.frame.top.style.filter=_6+"(src='"+this.frame.top.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.frame.right.currentStyle.backgroundImage.match(/\.png/)){
this.frame.right.style.filter=_6+"(src='"+this.frame.right.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.frame.bottom.currentStyle.backgroundImage.match(/\.png/)){
this.frame.bottom.style.filter=_6+"(src='"+this.frame.bottom.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.frame.left.currentStyle.backgroundImage.match(/\.png/)){
this.frame.left.style.filter=_6+"(src='"+this.frame.left.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
if(this.closeBtn.currentStyle.backgroundImage.match(/\.png/)){
this.closeBtn.style.filter=_6+"(src='"+this.closeBtn.currentStyle.backgroundImage.match(/url\(\"(.*)\"\)/)[1]+"', sizingMethod='scale')";
}
}
if(this._config.autoCenter){
this.center();
}
};
meltmedia.widget.ImageViewer.prototype.changeImage=function(_7){
var _8=this;
var _9=new Element("img");
_9.observe("load",this.imageLoaded.bind(this));
_9.setStyle({position:"absolute",left:"-9999px"});
this.image.fade({afterFinish:function(_a){
_8.image.remove();
_8.image=_9;
_8.frame.viewer.appendChild(_8.image);
_8.image.src=_7;
}});
};
meltmedia.widget.ImageViewer.prototype.resizeFrame=function(){
var _b=this;
if(this._config.animate){
new Effect.Parallel([new Effect.Morph(this.element,{style:{height:this.height+35+"px",width:this.width+22+"px"}}),new Effect.Morph(this.frame.viewer,{style:{height:this.height+"px",width:this.width+"px"}}),new Effect.Morph(this.frame.top,{style:{width:this.width+"px"}}),new Effect.Morph(this.frame.right,{style:{height:this.height+"px"}}),new Effect.Morph(this.frame.bottom,{style:{width:this.width+"px"}}),new Effect.Morph(this.frame.left,{style:{height:this.height+"px"}})],{afterUpdate:function(){
_b.center();
},afterFinish:function(_c){
_b.image.appear();
}});
}else{
this.element.setStyle({"height":this.height+22+"px","width":this.width+22+"px"});
this.frame.top.setStyle({"width":this.width+"px"});
this.frame.right.setStyle({"height":this.height+"px"});
this.frame.bottom.setStyle({"width":this.width+"px"});
this.frame.left.setStyle({"height":this.height+"px"});
this.frame.viewer.setStyle({"height":this.height+"px","width":this.width+"px"});
this.image.show();
}
};
meltmedia.widget.ImageViewer.prototype.show=function(ev){
if(this._config.animate){
this.element.appear({duration:0.5});
}else{
this.element.show();
}
};
meltmedia.widget.ImageViewer.prototype.hide=function(ev){
var _f=this;
if(this._config.animate){
Effect.DropOut(this.element,{duration:0.5,afterFinish:function(_10){
_f.image.hide();
}});
}else{
this.element.hide();
this.image.hide();
}
};
meltmedia.widget.ImageViewer.prototype.closeEvent=function(ev){
ev.stop();
this.hide();
};
meltmedia.widget.ImageViewer.prototype.center=function(){
var _12=document.body.clientHeight;
var _13=document.body.clientWidth;
var _14=this.element.getHeight();
var _15=this.element.getWidth();
var _16=(_12/2)-(_14/2);
var _17=(_13/2)-(_15/2);
this.element.setStyle({"top":_16+"px","left":_17+"px"});
};
meltmedia.widget.ImageViewer.prototype.imageLoaded=function(ev){
if(!this._config.height||this._config.height=="auto"){
this.height=this.image.height;
}else{
this.height=this._config.height;
}
if(!this._config.width||this._config.width=="auto"){
this.width=this.image.width;
}else{
this.width=this._config.width;
}
this.image.hide();
this.image.setStyle({position:"",left:""});
this.resizeFrame();
if(this._config.autoCenter){
this.center();
window.onresize=this.center.bind(this);
}
};
meltmedia.casestudy={transition:{list:function(_1,_2){
var _3={first:1,second:2,third:3,fourth:4,fifth:5};
var _4=0;
var _5=site.navigation.history[site.navigation.history.length-2];
var _6=_2.getElementsByTagName("a");
for(var i=0;i<_6.length;i++){
var k=_6[i].href.lastIndexOf("/");
var _9=_6[i].href.substring(0,k);
if(_5.toString().indexOf(_9)>=0){
_4=_3[_6[i].parentNode.className]-3;
break;
}
}
var _a=[];
if(_4>0){
for(var i=0;i<Math.abs(_4);i++){
_a.push(_2.childNodes[i]);
}
if(_a.length==0){
return;
}
for(var i=_a.length-1;i>=0;i--){
var n=_a[i].cloneNode(true);
n.setOpacity(0);
_1.insert({top:n});
_1.setStyle({"marginTop":"-"+(38*(_a.length-i))+"px"});
}
var _c=[".2",".5","1",".5",".2"];
new Effect.Morph(_1,{style:{"marginTop":"0px"},duration:1,transition:Effect.Transitions.sinoidal,afterFinish:function(){
_1.removeAttribute("style");
_1.innerHTML=_2.innerHTML;
site.overrideAllInternalLinks();
site.currentState=site.states.READY;
}});
for(var i=0;i<_1.childNodes.length;i++){
var op=(_c[i])?_c[i]:"0";
var _e={style:{opacity:op},duration:1.15,transition:Effect.Transitions.sinoidal,afterFinish:function(_f){
_f.element.removeAttribute("style");
}};
new Effect.Morph(_1.childNodes[i],_e);
}
}else{
for(var i=_2.childNodes.length-1;i>(_2.childNodes.length-Math.abs(_4)-1);i--){
_a.push(_2.childNodes[i]);
}
if(_a.length==0){
return;
}
for(var i=_a.length-1;i>=0;i--){
var n=_a[i].cloneNode(true);
n.setOpacity(0);
_1.insert({bottom:n});
}
var _c=[".2",".5","1",".5",".2"];
new Effect.Morph(_1,{style:{"marginTop":"-"+(38*(_a.length))+"px"},duration:1,transition:Effect.Transitions.sinoidal,afterFinish:function(){
_1.innerHTML=_2.innerHTML;
_1.setAttribute("style","");
_1.removeAttribute("style");
site.overrideAllInternalLinks();
site.currentState=site.states.READY;
}});
for(var i=_1.childNodes.length-1;i>0;i--){
var op=(_c[i-Math.abs(_4)])?_c[i-Math.abs(_4)]:"0";
var _e={style:{opacity:op},duration:1.15,transition:Effect.Transitions.sinoidal,afterFinish:function(_10){
_10.element.removeAttribute("style");
}};
new Effect.Morph(_1.childNodes[i],_e);
}
}
},blind:function(_11,_12){
Effect.BlindUp(_11,{duration:0.5,transition:Effect.Transitions.sinoidal,afterFinish:function(_13){
site.animation.transition.swap(_11,_12);
Effect.BlindDown(_11,{duration:0.5});
site.currentState=site.states.READY;
}});
}}};
meltmedia.segmentstudy={transition:function(_1,_2){
var _3=_1.firstChild;
var _4=_2.firstChild;
var h=_3.getHeight();
_3.makeClipping();
Effect.BlindUp(_3,{duration:0.5,transition:Effect.Transitions.sinoidal,afterFinish:function(_6){
_3.innerHTML=_4.innerHTML;
site.overrideAllInternalLinks();
Effect.BlindDown(_3,{duration:0.5,transition:Effect.Transitions.sinoidal,afterFinish:function(){
site.currentState=site.states.READY;
}});
}});
},nextSegment:function(){
var _7=$("case-study-nav").getElementsByTagName("a");
var _8="";
for(var i=0;i<_7.length;i++){
if(_7[i].hasClassName("active")){
if(i==(_7.length-1)){
_8=_7[0].href;
}else{
_8=_7[i+1].href;
}
break;
}
}
site.navigation.loadPage(_8);
}};
var css_browser_selector=function(){
var ua=navigator.userAgent.toLowerCase(),is=function(t){
return ua.indexOf(t)!=-1;
},h=document.getElementsByTagName("html")[0],b=(!(/opera|webtv/i.test(ua))&&/msie (\d)/.test(ua))?("ie ie"+RegExp.$1):is("gecko/")?"gecko":is("opera/9")?"opera opera9":/opera (\d)/.test(ua)?"opera opera"+RegExp.$1:is("konqueror")?"konqueror":is("applewebkit/")?"webkit safari":is("mozilla/")?"gecko":"",os=(is("x11")||is("linux"))?" linux":is("mac")?" mac":is("win")?" win":"";
var c=b+os+" js";
h.className+=h.className?" "+c:c;
}();
if(!window.console){
window.console={error:function(_8){
var _9="";
for(var k in _8){
_9+=k+": "+_8[k]+"\n";
}
alert(_9);
},info:function(_b){
alert(_b);
}};
}
var site={changedNodes:new Array(),states:{READY:"ready",LOADING:"loading",IN_TRANSITIION:"inTransition"},styles:{HOME_BLOB:"125px",TECH_BLOB:"210px",DESIGN_BLOB:"80px",APPROACH_BLOB:"165px",CONTACT_BLOB:"10px",CASE_BLOB:"10px"},initialize:function(_c){
site.overrideAllInternalLinks();
site.setupImageViewer();
site.setupBlindContent("partner");
site.registerForms();
site.ajaxLoader.initialize();
site.navigation.history.push(window.location);
function _d(n){
try{
n.updated=false;
}
catch(e){
}
if(n.nodeType==1&&n.hasClassName("watch")){
return true;
}
return false;
};
site.currentDocument=new meld.utilities.TreeWalker(document.body,_d,true);
site.interval.start();
site.currentState=site.states.READY;
site.trackPage();
},trackPage:function(_f){
try{
var _10=_gat._getTracker("UA-291924-17");
if(typeof (_f)=="undefined"){
_f=document.location.href;
}
_f=_f.replace("http://"+window.location.host,"");
_10._trackPageview(_f);
}
catch(err){
}
},setupImageViewer:function(){
var _11=document.getElementsByClassName("enlarge");
for(var i=0;i<_11.length;i++){
var a=$(_11[i]);
if(!a.hasClickObserver){
a.observe("click",site.imageLinkClickHandler.bind(this));
a.hasClickObserver=true;
}
}
if(!site.iv){
site.iv=new meltmedia.widget.ImageViewer({autoCenter:true,visible:false,animate:true,height:"auto",width:"auto"});
}
},setupBlindContent:function(cls){
var _15=$$("div."+cls);
if(_15.length>1){
for(var i=0;i<_15.length;i++){
var hd=_15[i].down("h3");
var dv=_15[i].down("div");
if(hd.style.cursor!="pointer"){
hd.observe("click",site.changeBlindContent.bind(site));
hd.style.cursor="pointer";
dv.addClassName("closed");
}
}
}
},changeBlindContent:function(_19){
var _1a=_19.findElement("div");
var cls=_1a.className;
var _1c=$$("div."+cls);
var _1d=false;
for(var i=0;i<_1c.length;i++){
var dv=_1c[i].down("div");
if(!dv.hasClassName("closed")&&dv){
if(_1c[i].innerHTML===_1a.innerHTML){
_1d=true;
}
var hd=_1c[i].down("h3");
new Effect.BlindUp(dv,{afterFinish:function(){
dv.addClassName("closed");
},duration:0.5,transition:Effect.Transitions.sinoidal});
break;
}
}
if(!_1d){
new Effect.BlindDown(_1a.down("div"),{beforeSetup:function(_21){
_1a.down("div").removeClassName("closed");
},afterFinish:function(_22){
new Effect.ScrollTo("bottom",{duration:0.5});
},duration:0.5,transition:Effect.Transitions.sinoidal});
}
},overrideAllInternalLinks:function(){
var _23=document.body.getElementsByTagName("a");
for(var i=0;i<_23.length;i++){
var a=$(_23[i]);
if(a.href.indexOf(window.location.hostname)>=0&&!a.hasClassName("ignore")&&!a.hasClassName("enlarge")&&!a.hasClickObserver){
a.observe("click",site.linkClickHandler.bind(this));
a.hasClickObserver=true;
}
}
},linkClickHandler:function(_26){
_26.stop();
var a=_26.target;
while(a.nodeName.toLowerCase()!="a"){
a=a.parentNode;
}
if(a.parentNode.id=="case-study-nav"){
site.interval.stop();
}else{
site.interval.stop();
site.interval.start();
}
site.navigation.loadPage(a.href);
},imageLinkClickHandler:function(_28){
_28.stop();
var a=$(_28.target);
while(!a.hasAttribute("href")){
a=a.parentNode;
}
if(a.nodeName.toLowerCase()=="area"){
a.href=a.alt;
}
site.iv.changeImage(a.href);
site.iv.show();
},registerForms:function(){
var _2a=document.forms;
for(var i=0;i<_2a.length;i++){
var _2c=_2a[i];
if(!_2c.validator){
_2c.validator=new meld.form.Validator(_2c,{"name":{re:new RegExp("[a-zA-Z ]"),msg:"Enter a valid name."},"email":{re:new RegExp("[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?"),msg:"Enter a valid email address."},"title":{re:new RegExp("[a-zA-Z0-9]{3,50}"),msg:"Enter a valid title."},"phone":{re:new RegExp(".+"),msg:"Phone number is required."}});
_2c.observe("submit",site.handleFormSubmit);
}
}
},handleFormSubmit:function(_2d){
_2d.stop();
if(_2d.element().validator.isFormValid()){
var url=_2d.element().action+"?"+_2d.element().serialize(false);
site.navigation.loadPage(url);
}
},ajaxLoader:{initialize:function(){
this.container=new Element("div");
this.container.id="ajax-loader";
this.container.className="ajax-loader";
this.container.innerHTML="Loading...";
this.container.style.display="none";
document.body.appendChild(this.container);
document.observe("mousemove",(function(ev){
this.container.style.top=ev.pointerY()+10+"px";
this.container.style.left=ev.pointerX()+10+"px";
}).bind(this));
},show:function(){
this.container.show();
},hide:function(){
this.container.hide();
}},interval:{start:function(){
site.interval.timer=setInterval(site.interval.handleTimer.bind(site),(30*1000));
},stop:function(){
clearInterval(site.interval.timer);
},handleTimer:function(ev){
if(site.navigation.history.last().toString().match(/our\-work|services/)){
meltmedia.segmentstudy.nextSegment();
}else{
site.interval.stop();
}
}},utility:{toXML:function(_31){
try{
var _32=new ActiveXObject("Microsoft.XMLDOM");
_32.async="false";
_32.loadXML(_31);
if(_32.parseError.errorCode!="0"){
}
return _32;
}
catch(e){
var _32=new DOMParser();
return _32.parseFromString(_31,"text/xml");
}
return false;
},elementsMatch:function(_33,_34){
var x,y;
if(_33.nodeType==3&&_34.nodeType==3){
x=_33.nodeValue.toString().replace(/[\t\r\n\s]/g,"");
y=_34.nodeValue.toString().replace(/[\t\r\n\s]/g,"");
}else{
x=_33.innerHTML.toString().replace(/[\t\r\n\s]/g,"");
y=_34.innerHTML.toString().replace(/[\t\r\n\s]/g,"");
}
return (x==y);
},attributesMatch:function(_37,_38){
if(_37.nodeType==3&&_38.nodeType==3){
return true;
}
if(_37.attributes.length==_38.attributes.length){
for(var i=0;i<_37.attributes.length;i++){
var _3a=_37.attributes[i];
if(_38.hasAttribute(_3a.nodeName)){
if(_38.getAttribute(_3a.nodeName)!=_3a.nodeValue){
return false;
}
}else{
return false;
}
}
}else{
return false;
}
return true;
},updatePage:function(_3b){
var _3c=false;
site.changedNodes=[];
site.newBodyClass=_3b.getAttribute("class");
function _3d(ev){
var _3f=ev.response.newNode;
var _40=_3f;
while(_40&&_40.parentNode){
if(_40.hasClassName("watch")){
break;
}
_40=_40.parentNode;
}
_3f=_40;
if(!_3f.id){
return;
}
var _41=$(_3f.id);
if(_41.updated){
return;
}
switch(_3f.id){
case "page-blurb":
site.animation.transition.slideFade(_41,_3f);
break;
case "sub-nav":
site.animation.transition.blind(_41,_3f);
break;
case "content-block":
case "footer":
site.animation.transition.fade(_41,_3f);
break;
case "case-study-list":
meltmedia.casestudy.transition.list(_41,_3f);
break;
case "case-study-content":
case "case-image-div":
case "case-study-info":
meltmedia.casestudy.transition.blind(_41,_3f);
break;
case "nav-main":
if(document.body.className!=site.newBodyClass){
site.animation.transition.fade(_41,_3f);
break;
}
default:
site.animation.transition.swap(_41,_3f);
site.currentState=site.states.READY;
}
_41.updated=true;
};
if(!DomDiff.hasObserver("dom:change")){
DomDiff.observe("dom:change",_3d);
}
function _42(n){
if(n.nodeType==1&&n.hasClassName("watch")){
return true;
}
return false;
};
var _44=new meld.utilities.TreeWalker(_3b,_42,true);
for(var i=0;i<site.currentDocument.nodeList.length;i++){
DomDiff.compareNodes(site.currentDocument.nodeList[i],_44.getNodeById(site.currentDocument.nodeList[i].id));
}
delete _44;
}},navigation:{history:new Array(),loadPage:function(url){
if(site.currentState==site.states.READY&&site.navigation.history.last()!=url){
site.ajaxLoader.show();
site.currentState=site.states.LOADING;
site.navigation.trackHistory(url);
site.currentDocument.update();
new Ajax.Request(url,{method:"get",onSuccess:function(_47){
site.ajaxLoader.hide();
site.navigation.handlePageLoad(_47);
site.trackPage(url);
},onFailure:function(_48){
site.ajaxLoader.hide();
alert("404 - Page Not Found");
site.currentState=site.states.READY;
}});
}
},handlePageLoad:function(_49,url){
var _4b=_49.responseText.replace(/[\t\r\n]/g,"");
document.title=_4b.match(/<title\b[^>]*>(.*?)<\/title>/)[1].toString();
var _4c=site.utility.toXML(_4b.match(/<body\b[^>]*>.*?<\/body>/).toString());
site.utility.updatePage(_4c.firstChild);
},trackHistory:function(url){
if(site.navigation.history.last()!=url){
site.navigation.history.push(url);
}
}},animation:{transition:{fade:function(_4e,_4f){
site.currentState=site.states.IN_TRANSITION;
new Effect.Morph(_4e,{style:{opacity:"0"},duration:0.5,transition:Effect.Transitions.sinoidal,afterFinish:function(){
site.animation.transition.swap(_4e,_4f);
if(_4e.id=="nav-main"){
if(document.body.className!=site.newBodyClass){
document.body.className=site.newBodyClass;
}
}
_4e.appear({afterFinish:function(){
site.currentState=site.states.READY;
}});
}});
},slideFade:function(_50,_51){
site.currentState=site.states.IN_TRANSITION;
var h=_51.getStyle("height");
if(h.match("0px")||!h){
var s=_51.className.match(/(.*)-blob/)[1];
s=s.toUpperCase()+"_BLOB";
h=site.styles[s];
}
new Effect.Morph(_50,{style:{opacity:"0",height:h},duration:0.5,transition:Effect.Transitions.sinoidal,afterFinish:function(){
site.animation.transition.swap(_50,_51);
_50.appear({afterFinish:function(){
site.currentState=site.states.READY;
}});
}});
},blind:function(_54,_55){
if(_54.hasClassName("closed")&&_55.hasClassName("open")){
new Effect.Morph(_54,{beforeStart:function(_56){
_54.makeClipping();
site.animation.transition.swap(_54,_55);
_54.setStyle({height:"0px",display:"block"});
},afterFinishInternal:function(){
_54.undoClipping();
},duration:0.5,transition:Effect.Transitions.sinoidal,style:{opacity:"1",height:"45px"}});
}else{
if(_54.hasClassName("open")&&_55.hasClassName("closed")){
new Effect.Morph(_54,{beforeStart:function(_57){
_54.makeClipping();
},afterFinishInternal:function(){
_54.undoClipping();
},afterFinish:function(){
site.animation.transition.swap(_54,_55);
},duration:0.5,transition:Effect.Transitions.sinoidal,style:{opacity:"1",height:"0px"}});
}else{
site.animation.transition.swap(_54,_55);
}
}
},swap:function(_58,_59){
for(var i=0;i<_59.attributes.length;i++){
if(_59.attributes[i].nodeName=="class"){
if(_59.className!=""){
_58.className=_59.className;
}else{
_58.removeAttribute("class");
}
}
if(_59.attributes[i].nodeName=="style"){
continue;
}
_58.setAttribute(_59.attributes[i].nodeName,_59.attributes[i].nodeValue);
}
for(var i=0;i<_58.attributes.length;i++){
if(!_59.hasAttribute(_58.attributes[i].nodeName)){
if(_58.attributes[i].nodeName=="style"){
continue;
}
_58.removeAttribute(_58.attributes[i].nodeName);
}
}
_58.innerHTML=_59.innerHTML;
if(document.forms.length>0){
site.registerForms();
}
site.overrideAllInternalLinks();
site.setupImageViewer();
site.setupBlindContent("partner");
}}}};
document.observe("dom:loaded",site.initialize);