Browse Source

add user whitelist

Andrew Dolgov 3 years ago
parent
commit
9630632503
6 changed files with 7687 additions and 11 deletions
  1. 11 0
      background.js
  2. 7590 0
      lib/prototype.js
  3. 6 2
      manifest.json
  4. 22 9
      noselect.js
  5. 23 0
      options.html
  6. 35 0
      options.js

+ 11 - 0
background.js

@@ -0,0 +1,11 @@
+chrome.storage.sync.get('settings', function(val) {
+    if (typeof val.settings !== "undefined")
+        localStorage.settings = JSON.stringify(val.settings);
+});
+
+chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
+	if (request.method == "getSettings")
+			sendResponse({settings: localStorage['settings']});
+	else
+		sendResponse({});
+});

+ 7590 - 0
lib/prototype.js

@@ -0,0 +1,7590 @@
+// Modified document.on() to modified.p_on() to fix compatibility with Dojo -fox
+
+/*  Prototype JavaScript framework, version 1.7.3
+ *  (c) 2005-2010 Sam Stephenson
+ *
+ *  Prototype is freely distributable under the terms of an MIT-style license.
+ *  For details, see the Prototype web site: http://www.prototypejs.org/
+ *
+ *--------------------------------------------------------------------------*/
+
+var Prototype = {
+
+  Version: '1.7.3',
+
+  Browser: (function(){
+    var ua = navigator.userAgent;
+    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
+    return {
+      IE:             !!window.attachEvent && !isOpera,
+      Opera:          isOpera,
+      WebKit:         ua.indexOf('AppleWebKit/') > -1,
+      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
+      MobileSafari:   /Apple.*Mobile/.test(ua)
+    }
+  })(),
+
+  BrowserFeatures: {
+    XPath: !!document.evaluate,
+
+    SelectorsAPI: !!document.querySelector,
+
+    ElementExtensions: (function() {
+      var constructor = window.Element || window.HTMLElement;
+      return !!(constructor && constructor.prototype);
+    })(),
+    SpecificElementExtensions: (function() {
+      if (typeof window.HTMLDivElement !== 'undefined')
+        return true;
+
+      var div = document.createElement('div'),
+          form = document.createElement('form'),
+          isSupported = false;
+
+      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
+        isSupported = true;
+      }
+
+      div = form = null;
+
+      return isSupported;
+    })()
+  },
+
+  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script\\s*>',
+  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
+
+  emptyFunction: function() { },
+
+  K: function(x) { return x }
+};
+
+if (Prototype.Browser.MobileSafari)
+  Prototype.BrowserFeatures.SpecificElementExtensions = false;
+/* Based on Alex Arnell's inheritance implementation. */
+
+var Class = (function() {
+
+  var IS_DONTENUM_BUGGY = (function(){
+    for (var p in { toString: 1 }) {
+      if (p === 'toString') return false;
+    }
+    return true;
+  })();
+
+  function subclass() {};
+  function create() {
+    var parent = null, properties = $A(arguments);
+    if (Object.isFunction(properties[0]))
+      parent = properties.shift();
+
+    function klass() {
+      this.initialize.apply(this, arguments);
+    }
+
+    Object.extend(klass, Class.Methods);
+    klass.superclass = parent;
+    klass.subclasses = [];
+
+    if (parent) {
+      subclass.prototype = parent.prototype;
+      klass.prototype = new subclass;
+      parent.subclasses.push(klass);
+    }
+
+    for (var i = 0, length = properties.length; i < length; i++)
+      klass.addMethods(properties[i]);
+
+    if (!klass.prototype.initialize)
+      klass.prototype.initialize = Prototype.emptyFunction;
+
+    klass.prototype.constructor = klass;
+    return klass;
+  }
+
+  function addMethods(source) {
+    var ancestor   = this.superclass && this.superclass.prototype,
+        properties = Object.keys(source);
+
+    if (IS_DONTENUM_BUGGY) {
+      if (source.toString != Object.prototype.toString)
+        properties.push("toString");
+      if (source.valueOf != Object.prototype.valueOf)
+        properties.push("valueOf");
+    }
+
+    for (var i = 0, length = properties.length; i < length; i++) {
+      var property = properties[i], value = source[property];
+      if (ancestor && Object.isFunction(value) &&
+          value.argumentNames()[0] == "$super") {
+        var method = value;
+        value = (function(m) {
+          return function() { return ancestor[m].apply(this, arguments); };
+        })(property).wrap(method);
+
+        value.valueOf = (function(method) {
+          return function() { return method.valueOf.call(method); };
+        })(method);
+
+        value.toString = (function(method) {
+          return function() { return method.toString.call(method); };
+        })(method);
+      }
+      this.prototype[property] = value;
+    }
+
+    return this;
+  }
+
+  return {
+    create: create,
+    Methods: {
+      addMethods: addMethods
+    }
+  };
+})();
+(function() {
+
+  var _toString = Object.prototype.toString,
+      _hasOwnProperty = Object.prototype.hasOwnProperty,
+      NULL_TYPE = 'Null',
+      UNDEFINED_TYPE = 'Undefined',
+      BOOLEAN_TYPE = 'Boolean',
+      NUMBER_TYPE = 'Number',
+      STRING_TYPE = 'String',
+      OBJECT_TYPE = 'Object',
+      FUNCTION_CLASS = '[object Function]',
+      BOOLEAN_CLASS = '[object Boolean]',
+      NUMBER_CLASS = '[object Number]',
+      STRING_CLASS = '[object String]',
+      ARRAY_CLASS = '[object Array]',
+      DATE_CLASS = '[object Date]',
+      NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
+        typeof JSON.stringify === 'function' &&
+        JSON.stringify(0) === '0' &&
+        typeof JSON.stringify(Prototype.K) === 'undefined';
+
+
+
+  var DONT_ENUMS = ['toString', 'toLocaleString', 'valueOf',
+   'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'constructor'];
+
+  var IS_DONTENUM_BUGGY = (function(){
+    for (var p in { toString: 1 }) {
+      if (p === 'toString') return false;
+    }
+    return true;
+  })();
+
+  function Type(o) {
+    switch(o) {
+      case null: return NULL_TYPE;
+      case (void 0): return UNDEFINED_TYPE;
+    }
+    var type = typeof o;
+    switch(type) {
+      case 'boolean': return BOOLEAN_TYPE;
+      case 'number':  return NUMBER_TYPE;
+      case 'string':  return STRING_TYPE;
+    }
+    return OBJECT_TYPE;
+  }
+
+  function extend(destination, source) {
+    for (var property in source)
+      destination[property] = source[property];
+    return destination;
+  }
+
+  function inspect(object) {
+    try {
+      if (isUndefined(object)) return 'undefined';
+      if (object === null) return 'null';
+      return object.inspect ? object.inspect() : String(object);
+    } catch (e) {
+      if (e instanceof RangeError) return '...';
+      throw e;
+    }
+  }
+
+  function toJSON(value) {
+    return Str('', { '': value }, []);
+  }
+
+  function Str(key, holder, stack) {
+    var value = holder[key];
+    if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
+      value = value.toJSON(key);
+    }
+
+    var _class = _toString.call(value);
+
+    switch (_class) {
+      case NUMBER_CLASS:
+      case BOOLEAN_CLASS:
+      case STRING_CLASS:
+        value = value.valueOf();
+    }
+
+    switch (value) {
+      case null: return 'null';
+      case true: return 'true';
+      case false: return 'false';
+    }
+
+    var type = typeof value;
+    switch (type) {
+      case 'string':
+        return value.inspect(true);
+      case 'number':
+        return isFinite(value) ? String(value) : 'null';
+      case 'object':
+
+        for (var i = 0, length = stack.length; i < length; i++) {
+          if (stack[i] === value) {
+            throw new TypeError("Cyclic reference to '" + value + "' in object");
+          }
+        }
+        stack.push(value);
+
+        var partial = [];
+        if (_class === ARRAY_CLASS) {
+          for (var i = 0, length = value.length; i < length; i++) {
+            var str = Str(i, value, stack);
+            partial.push(typeof str === 'undefined' ? 'null' : str);
+          }
+          partial = '[' + partial.join(',') + ']';
+        } else {
+          var keys = Object.keys(value);
+          for (var i = 0, length = keys.length; i < length; i++) {
+            var key = keys[i], str = Str(key, value, stack);
+            if (typeof str !== "undefined") {
+               partial.push(key.inspect(true)+ ':' + str);
+             }
+          }
+          partial = '{' + partial.join(',') + '}';
+        }
+        stack.pop();
+        return partial;
+    }
+  }
+
+  function stringify(object) {
+    return JSON.stringify(object);
+  }
+
+  function toQueryString(object) {
+    return $H(object).toQueryString();
+  }
+
+  function toHTML(object) {
+    return object && object.toHTML ? object.toHTML() : String.interpret(object);
+  }
+
+  function keys(object) {
+    if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
+    var results = [];
+    for (var property in object) {
+      if (_hasOwnProperty.call(object, property))
+        results.push(property);
+    }
+
+    if (IS_DONTENUM_BUGGY) {
+      for (var i = 0; property = DONT_ENUMS[i]; i++) {
+        if (_hasOwnProperty.call(object, property))
+          results.push(property);
+      }
+    }
+
+    return results;
+  }
+
+  function values(object) {
+    var results = [];
+    for (var property in object)
+      results.push(object[property]);
+    return results;
+  }
+
+  function clone(object) {
+    return extend({ }, object);
+  }
+
+  function isElement(object) {
+    return !!(object && object.nodeType == 1);
+  }
+
+  function isArray(object) {
+    return _toString.call(object) === ARRAY_CLASS;
+  }
+
+  var hasNativeIsArray = (typeof Array.isArray == 'function')
+    && Array.isArray([]) && !Array.isArray({});
+
+  if (hasNativeIsArray) {
+    isArray = Array.isArray;
+  }
+
+  function isHash(object) {
+    return object instanceof Hash;
+  }
+
+  function isFunction(object) {
+    return _toString.call(object) === FUNCTION_CLASS;
+  }
+
+  function isString(object) {
+    return _toString.call(object) === STRING_CLASS;
+  }
+
+  function isNumber(object) {
+    return _toString.call(object) === NUMBER_CLASS;
+  }
+
+  function isDate(object) {
+    return _toString.call(object) === DATE_CLASS;
+  }
+
+  function isUndefined(object) {
+    return typeof object === "undefined";
+  }
+
+  extend(Object, {
+    extend:        extend,
+    inspect:       inspect,
+    toJSON:        NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
+    toQueryString: toQueryString,
+    toHTML:        toHTML,
+    keys:          Object.keys || keys,
+    values:        values,
+    clone:         clone,
+    isElement:     isElement,
+    isArray:       isArray,
+    isHash:        isHash,
+    isFunction:    isFunction,
+    isString:      isString,
+    isNumber:      isNumber,
+    isDate:        isDate,
+    isUndefined:   isUndefined
+  });
+})();
+Object.extend(Function.prototype, (function() {
+  var slice = Array.prototype.slice;
+
+  function update(array, args) {
+    var arrayLength = array.length, length = args.length;
+    while (length--) array[arrayLength + length] = args[length];
+    return array;
+  }
+
+  function merge(array, args) {
+    array = slice.call(array, 0);
+    return update(array, args);
+  }
+
+  function argumentNames() {
+    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
+      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
+      .replace(/\s+/g, '').split(',');
+    return names.length == 1 && !names[0] ? [] : names;
+  }
+
+
+  function bind(context) {
+    if (arguments.length < 2 && Object.isUndefined(arguments[0]))
+      return this;
+
+    if (!Object.isFunction(this))
+      throw new TypeError("The object is not callable.");
+
+    var nop = function() {};
+    var __method = this, args = slice.call(arguments, 1);
+
+    var bound = function() {
+      var a = merge(args, arguments);
+      var c = this instanceof bound ? this : context;
+      return __method.apply(c, a);
+    };
+
+    nop.prototype   = this.prototype;
+    bound.prototype = new nop();
+
+    return bound;
+  }
+
+  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);
+    };
+  }
+
+  var extensions = {
+    argumentNames:       argumentNames,
+    bindAsEventListener: bindAsEventListener,
+    curry:               curry,
+    delay:               delay,
+    defer:               defer,
+    wrap:                wrap,
+    methodize:           methodize
+  };
+
+  if (!Function.prototype.bind)
+    extensions.bind = bind;
+
+  return extensions;
+})());
+
+
+
+(function(proto) {
+
+
+  function toISOString() {
+    return this.getUTCFullYear() + '-' +
+      (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
+      this.getUTCDate().toPaddedString(2) + 'T' +
+      this.getUTCHours().toPaddedString(2) + ':' +
+      this.getUTCMinutes().toPaddedString(2) + ':' +
+      this.getUTCSeconds().toPaddedString(2) + 'Z';
+  }
+
+
+  function toJSON() {
+    return this.toISOString();
+  }
+
+  if (!proto.toISOString) proto.toISOString = toISOString;
+  if (!proto.toJSON) proto.toJSON = toJSON;
+
+})(Date.prototype);
+
+
+RegExp.prototype.match = RegExp.prototype.test;
+
+RegExp.escape = function(str) {
+  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
+};
+var PeriodicalExecuter = Class.create({
+  initialize: function(callback, frequency) {
+    this.callback = callback;
+    this.frequency = frequency;
+    this.currentlyExecuting = false;
+
+    this.registerCallback();
+  },
+
+  registerCallback: function() {
+    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  execute: function() {
+    this.callback(this);
+  },
+
+  stop: function() {
+    if (!this.timer) return;
+    clearInterval(this.timer);
+    this.timer = null;
+  },
+
+  onTimerEvent: function() {
+    if (!this.currentlyExecuting) {
+      try {
+        this.currentlyExecuting = true;
+        this.execute();
+        this.currentlyExecuting = false;
+      } catch(e) {
+        this.currentlyExecuting = false;
+        throw e;
+      }
+    }
+  }
+});
+Object.extend(String, {
+  interpret: function(value) {
+    return value == null ? '' : String(value);
+  },
+  specialChar: {
+    '\b': '\\b',
+    '\t': '\\t',
+    '\n': '\\n',
+    '\f': '\\f',
+    '\r': '\\r',
+    '\\': '\\\\'
+  }
+});
+
+Object.extend(String.prototype, (function() {
+  var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
+    typeof JSON.parse === 'function' &&
+    JSON.parse('{"test": true}').test;
+
+  function prepareReplacement(replacement) {
+    if (Object.isFunction(replacement)) return replacement;
+    var template = new Template(replacement);
+    return function(match) { return template.evaluate(match) };
+  }
+
+  function isNonEmptyRegExp(regexp) {
+    return regexp.source && regexp.source !== '(?:)';
+  }
+
+
+  function gsub(pattern, replacement) {
+    var result = '', source = this, match;
+    replacement = prepareReplacement(replacement);
+
+    if (Object.isString(pattern))
+      pattern = RegExp.escape(pattern);
+
+    if (!(pattern.length || isNonEmptyRegExp(pattern))) {
+      replacement = replacement('');
+      return replacement + source.split('').join(replacement) + replacement;
+    }
+
+    while (source.length > 0) {
+      match = source.match(pattern)
+      if (match && match[0].length > 0) {
+        result += source.slice(0, match.index);
+        result += String.interpret(replacement(match));
+        source  = source.slice(match.index + match[0].length);
+      } else {
+        result += source, source = '';
+      }
+    }
+    return result;
+  }
+
+  function sub(pattern, replacement, count) {
+    replacement = prepareReplacement(replacement);
+    count = Object.isUndefined(count) ? 1 : count;
+
+    return this.gsub(pattern, function(match) {
+      if (--count < 0) return match[0];
+      return replacement(match);
+    });
+  }
+
+  function scan(pattern, iterator) {
+    this.gsub(pattern, iterator);
+    return String(this);
+  }
+
+  function truncate(length, truncation) {
+    length = length || 30;
+    truncation = Object.isUndefined(truncation) ? '...' : truncation;
+    return this.length > length ?
+      this.slice(0, length - truncation.length) + truncation : String(this);
+  }
+
+  function strip() {
+    return this.replace(/^\s+/, '').replace(/\s+$/, '');
+  }
+
+  function stripTags() {
+    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?(\/)?>|<\/\w+>/gi, '');
+  }
+
+  function stripScripts() {
+    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
+  }
+
+  function extractScripts() {
+    var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
+        matchOne = new RegExp(Prototype.ScriptFragment, 'im');
+    return (this.match(matchAll) || []).map(function(scriptTag) {
+      return (scriptTag.match(matchOne) || ['', ''])[1];
+    });
+  }
+
+  function evalScripts() {
+    return this.extractScripts().map(function(script) { return eval(script); });
+  }
+
+  function escapeHTML() {
+    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
+  }
+
+  function unescapeHTML() {
+    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
+  }
+
+
+  function toQueryParams(separator) {
+    var match = this.strip().match(/([^?#]*)(#.*)?$/);
+    if (!match) return { };
+
+    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
+      if ((pair = pair.split('='))[0]) {
+        var key = decodeURIComponent(pair.shift()),
+            value = pair.length > 1 ? pair.join('=') : pair[0];
+
+        if (value != undefined) {
+          value = value.gsub('+', ' ');
+          value = decodeURIComponent(value);
+        }
+
+        if (key in hash) {
+          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
+          hash[key].push(value);
+        }
+        else hash[key] = value;
+      }
+      return hash;
+    });
+  }
+
+  function toArray() {
+    return this.split('');
+  }
+
+  function succ() {
+    return this.slice(0, this.length - 1) +
+      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
+  }
+
+  function times(count) {
+    return count < 1 ? '' : new Array(count + 1).join(this);
+  }
+
+  function camelize() {
+    return this.replace(/-+(.)?/g, function(match, chr) {
+      return chr ? chr.toUpperCase() : '';
+    });
+  }
+
+  function capitalize() {
+    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
+  }
+
+  function underscore() {
+    return this.replace(/::/g, '/')
+               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
+               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
+               .replace(/-/g, '_')
+               .toLowerCase();
+  }
+
+  function dasherize() {
+    return this.replace(/_/g, '-');
+  }
+
+  function inspect(useDoubleQuotes) {
+    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
+      if (character in String.specialChar) {
+        return String.specialChar[character];
+      }
+      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
+    });
+    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
+    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
+  }
+
+  function unfilterJSON(filter) {
+    return this.replace(filter || Prototype.JSONFilter, '$1');
+  }
+
+  function isJSON() {
+    var str = this;
+    if (str.blank()) return false;
+    str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
+    str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
+    str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
+    return (/^[\],:{}\s]*$/).test(str);
+  }
+
+  function evalJSON(sanitize) {
+    var json = this.unfilterJSON(),
+        cx = /[\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff\u0000]/g;
+    if (cx.test(json)) {
+      json = json.replace(cx, function (a) {
+        return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+      });
+    }
+    try {
+      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
+    } catch (e) { }
+    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
+  }
+
+  function parseJSON() {
+    var json = this.unfilterJSON();
+    return JSON.parse(json);
+  }
+
+  function include(pattern) {
+    return this.indexOf(pattern) > -1;
+  }
+
+  function startsWith(pattern, position) {
+    position = Object.isNumber(position) ? position : 0;
+    return this.lastIndexOf(pattern, position) === position;
+  }
+
+  function endsWith(pattern, position) {
+    pattern = String(pattern);
+    position = Object.isNumber(position) ? position : this.length;
+    if (position < 0) position = 0;
+    if (position > this.length) position = this.length;
+    var d = position - pattern.length;
+    return d >= 0 && this.indexOf(pattern, d) === d;
+  }
+
+  function empty() {
+    return this == '';
+  }
+
+  function blank() {
+    return /^\s*$/.test(this);
+  }
+
+  function interpolate(object, pattern) {
+    return new Template(this, pattern).evaluate(object);
+  }
+
+  return {
+    gsub:           gsub,
+    sub:            sub,
+    scan:           scan,
+    truncate:       truncate,
+    strip:          String.prototype.trim || strip,
+    stripTags:      stripTags,
+    stripScripts:   stripScripts,
+    extractScripts: extractScripts,
+    evalScripts:    evalScripts,
+    escapeHTML:     escapeHTML,
+    unescapeHTML:   unescapeHTML,
+    toQueryParams:  toQueryParams,
+    parseQuery:     toQueryParams,
+    toArray:        toArray,
+    succ:           succ,
+    times:          times,
+    camelize:       camelize,
+    capitalize:     capitalize,
+    underscore:     underscore,
+    dasherize:      dasherize,
+    inspect:        inspect,
+    unfilterJSON:   unfilterJSON,
+    isJSON:         isJSON,
+    evalJSON:       NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
+    include:        include,
+    startsWith:     String.prototype.startsWith || startsWith,
+    endsWith:       String.prototype.endsWith || endsWith,
+    empty:          empty,
+    blank:          blank,
+    interpolate:    interpolate
+  };
+})());
+
+var Template = Class.create({
+  initialize: function(template, pattern) {
+    this.template = template.toString();
+    this.pattern = pattern || Template.Pattern;
+  },
+
+  evaluate: function(object) {
+    if (object && Object.isFunction(object.toTemplateReplacements))
+      object = object.toTemplateReplacements();
+
+    return this.template.gsub(this.pattern, function(match) {
+      if (object == null) return (match[1] + '');
+
+      var before = match[1] || '';
+      if (before == '\\') return match[2];
+
+      var ctx = object, expr = match[3],
+          pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
+
+      match = pattern.exec(expr);
+      if (match == null) return before;
+
+      while (match != null) {
+        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
+        ctx = ctx[comp];
+        if (null == ctx || '' == match[3]) break;
+        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
+        match = pattern.exec(expr);
+      }
+
+      return before + String.interpret(ctx);
+    });
+  }
+});
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
+
+var $break = { };
+
+var Enumerable = (function() {
+  function each(iterator, context) {
+    try {
+      this._each(iterator, context);
+    } 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, this);
+      if (!result) throw $break;
+    }, this);
+    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, this))
+        throw $break;
+    }, this);
+    return result;
+  }
+
+  function collect(iterator, context) {
+    iterator = iterator || Prototype.K;
+    var results = [];
+    this.each(function(value, index) {
+      results.push(iterator.call(context, value, index, this));
+    }, this);
+    return results;
+  }
+
+  function detect(iterator, context) {
+    var result;
+    this.each(function(value, index) {
+      if (iterator.call(context, value, index, this)) {
+        result = value;
+        throw $break;
+      }
+    }, this);
+    return result;
+  }
+
+  function findAll(iterator, context) {
+    var results = [];
+    this.each(function(value, index) {
+      if (iterator.call(context, value, index, this))
+        results.push(value);
+    }, this);
+    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, this));
+    }, this);
+    return results;
+  }
+
+  function include(object) {
+    if (Object.isFunction(this.indexOf) && 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, this);
+    }, this);
+    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, this);
+      if (result == null || value >= result)
+        result = value;
+    }, this);
+    return result;
+  }
+
+  function min(iterator, context) {
+    iterator = iterator || Prototype.K;
+    var result;
+    this.each(function(value, index) {
+      value = iterator.call(context, value, index, this);
+      if (result == null || value < result)
+        result = value;
+    }, this);
+    return result;
+  }
+
+  function partition(iterator, context) {
+    iterator = iterator || Prototype.K;
+    var trues = [], falses = [];
+    this.each(function(value, index) {
+      (iterator.call(context, value, index, this) ?
+        trues : falses).push(value);
+    }, this);
+    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, this))
+        results.push(value);
+    }, this);
+    return results;
+  }
+
+  function sortBy(iterator, context) {
+    return this.map(function(value, index) {
+      return {
+        value: value,
+        criteria: iterator.call(context, value, index, this)
+      };
+    }, this).sort(function(left, right) {
+      var a = left.criteria, b = right.criteria;
+      return a < b ? -1 : a > b ? 1 : 0;
+    }).pluck('value');
+  }
+
+  function toArray() {
+    return this.map();
+  }
+
+  function zip() {
+    var iterator = Prototype.K, args = $A(arguments);
+    if (Object.isFunction(args.last()))
+      iterator = args.pop();
+
+    var collections = [this].concat(args).map($A);
+    return this.map(function(value, index) {
+      return iterator(collections.pluck(index));
+    });
+  }
+
+  function size() {
+    return this.toArray().length;
+  }
+
+  function inspect() {
+    return '#<Enumerable:' + this.toArray().inspect() + '>';
+  }
+
+
+
+
+
+
+
+
+
+  return {
+    each:       each,
+    eachSlice:  eachSlice,
+    all:        all,
+    every:      all,
+    any:        any,
+    some:       any,
+    collect:    collect,
+    map:        collect,
+    detect:     detect,
+    findAll:    findAll,
+    select:     findAll,
+    filter:     findAll,
+    grep:       grep,
+    include:    include,
+    member:     include,
+    inGroupsOf: inGroupsOf,
+    inject:     inject,
+    invoke:     invoke,
+    max:        max,
+    min:        min,
+    partition:  partition,
+    pluck:      pluck,
+    reject:     reject,
+    sortBy:     sortBy,
+    toArray:    toArray,
+    entries:    toArray,
+    zip:        zip,
+    size:       size,
+    inspect:    inspect,
+    find:       detect
+  };
+})();
+
+function $A(iterable) {
+  if (!iterable) return [];
+  if ('toArray' in Object(iterable)) return iterable.toArray();
+  var length = iterable.length || 0, results = new Array(length);
+  while (length--) results[length] = iterable[length];
+  return results;
+}
+
+
+function $w(string) {
+  if (!Object.isString(string)) return [];
+  string = string.strip();
+  return string ? string.split(/\s+/) : [];
+}
+
+Array.from = $A;
+
+
+(function() {
+  var arrayProto = Array.prototype,
+      slice = arrayProto.slice,
+      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
+
+  function each(iterator, context) {
+    for (var i = 0, length = this.length >>> 0; i < length; i++) {
+      if (i in this) iterator.call(context, this[i], i, this);
+    }
+  }
+  if (!_each) _each = each;
+
+  function clear() {
+    this.length = 0;
+    return this;
+  }
+
+  function first() {
+    return this[0];
+  }
+
+  function last() {
+    return this[this.length - 1];
+  }
+
+  function compact() {
+    return this.select(function(value) {
+      return value != null;
+    });
+  }
+
+  function flatten() {
+    return this.inject([], function(array, value) {
+      if (Object.isArray(value))
+        return array.concat(value.flatten());
+      array.push(value);
+      return array;
+    });
+  }
+
+  function without() {
+    var values = slice.call(arguments, 0);
+    return this.select(function(value) {
+      return !values.include(value);
+    });
+  }
+
+  function reverse(inline) {
+    return (inline === false ? this.toArray() : this)._reverse();
+  }
+
+  function uniq(sorted) {
+    return this.inject([], function(array, value, index) {
+      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
+        array.push(value);
+      return array;
+    });
+  }
+
+  function intersect(array) {
+    return this.uniq().findAll(function(item) {
+      return array.indexOf(item) !== -1;
+    });
+  }
+
+
+  function clone() {
+    return slice.call(this, 0);
+  }
+
+  function size() {
+    return this.length;
+  }
+
+  function inspect() {
+    return '[' + this.map(Object.inspect).join(', ') + ']';
+  }
+
+  function indexOf(item, i) {
+    if (this == null) throw new TypeError();
+
+    var array = Object(this), length = array.length >>> 0;
+    if (length === 0) return -1;
+
+    i = Number(i);
+    if (isNaN(i)) {
+      i = 0;
+    } else if (i !== 0 && isFinite(i)) {
+      i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i));
+    }
+
+    if (i > length) return -1;
+
+    var k = i >= 0 ? i : Math.max(length - Math.abs(i), 0);
+    for (; k < length; k++)
+      if (k in array && array[k] === item) return k;
+    return -1;
+  }
+
+
+  function lastIndexOf(item, i) {
+    if (this == null) throw new TypeError();
+
+    var array = Object(this), length = array.length >>> 0;
+    if (length === 0) return -1;
+
+    if (!Object.isUndefined(i)) {
+      i = Number(i);
+      if (isNaN(i)) {
+        i = 0;
+      } else if (i !== 0 && isFinite(i)) {
+        i = (i > 0 ? 1 : -1) * Math.floor(Math.abs(i));
+      }
+    } else {
+      i = length;
+    }
+
+    var k = i >= 0 ? Math.min(i, length - 1) :
+     length - Math.abs(i);
+
+    for (; k >= 0; k--)
+      if (k in array && array[k] === item) return k;
+    return -1;
+  }
+
+  function concat(_) {
+    var array = [], items = slice.call(arguments, 0), item, n = 0;
+    items.unshift(this);
+    for (var i = 0, length = items.length; i < length; i++) {
+      item = items[i];
+      if (Object.isArray(item) && !('callee' in item)) {
+        for (var j = 0, arrayLength = item.length; j < arrayLength; j++) {
+          if (j in item) array[n] = item[j];
+          n++;
+        }
+      } else {
+        array[n++] = item;
+      }
+    }
+    array.length = n;
+    return array;
+  }
+
+
+  function wrapNative(method) {
+    return function() {
+      if (arguments.length === 0) {
+        return method.call(this, Prototype.K);
+      } else if (arguments[0] === undefined) {
+        var args = slice.call(arguments, 1);
+        args.unshift(Prototype.K);
+        return method.apply(this, args);
+      } else {
+        return method.apply(this, arguments);
+      }
+    };
+  }
+
+
+  function map(iterator) {
+    if (this == null) throw new TypeError();
+    iterator = iterator || Prototype.K;
+
+    var object = Object(this);
+    var results = [], context = arguments[1], n = 0;
+
+    for (var i = 0, length = object.length >>> 0; i < length; i++) {
+      if (i in object) {
+        results[n] = iterator.call(context, object[i], i, object);
+      }
+      n++;
+    }
+    results.length = n;
+    return results;
+  }
+
+  if (arrayProto.map) {
+    map = wrapNative(Array.prototype.map);
+  }
+
+  function filter(iterator) {
+    if (this == null || !Object.isFunction(iterator))
+      throw new TypeError();
+
+    var object = Object(this);
+    var results = [], context = arguments[1], value;
+
+    for (var i = 0, length = object.length >>> 0; i < length; i++) {
+      if (i in object) {
+        value = object[i];
+        if (iterator.call(context, value, i, object)) {
+          results.push(value);
+        }
+      }
+    }
+    return results;
+  }
+
+  if (arrayProto.filter) {
+    filter = Array.prototype.filter;
+  }
+
+  function some(iterator) {
+    if (this == null) throw new TypeError();
+    iterator = iterator || Prototype.K;
+    var context = arguments[1];
+
+    var object = Object(this);
+    for (var i = 0, length = object.length >>> 0; i < length; i++) {
+      if (i in object && iterator.call(context, object[i], i, object)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  if (arrayProto.some) {
+    some = wrapNative(Array.prototype.some);
+  }
+
+  function every(iterator) {
+    if (this == null) throw new TypeError();
+    iterator = iterator || Prototype.K;
+    var context = arguments[1];
+
+    var object = Object(this);
+    for (var i = 0, length = object.length >>> 0; i < length; i++) {
+      if (i in object && !iterator.call(context, object[i], i, object)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  if (arrayProto.every) {
+    every = wrapNative(Array.prototype.every);
+  }
+
+
+  Object.extend(arrayProto, Enumerable);
+
+  if (arrayProto.entries === Enumerable.entries) {
+    delete arrayProto.entries;
+  }
+
+  if (!arrayProto._reverse)
+    arrayProto._reverse = arrayProto.reverse;
+
+  Object.extend(arrayProto, {
+    _each:     _each,
+
+    map:       map,
+    collect:   map,
+    select:    filter,
+    filter:    filter,
+    findAll:   filter,
+    some:      some,
+    any:       some,
+    every:     every,
+    all:       every,
+
+    clear:     clear,
+    first:     first,
+    last:      last,
+    compact:   compact,
+    flatten:   flatten,
+    without:   without,
+    reverse:   reverse,
+    uniq:      uniq,
+    intersect: intersect,
+    clone:     clone,
+    toArray:   clone,
+    size:      size,
+    inspect:   inspect
+  });
+
+  var CONCAT_ARGUMENTS_BUGGY = (function() {
+    return [].concat(arguments)[0][0] !== 1;
+  })(1,2);
+
+  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
+
+  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
+  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
+})();
+function $H(object) {
+  return new Hash(object);
+};
+
+var Hash = Class.create(Enumerable, (function() {
+  function initialize(object) {
+    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
+  }
+
+
+  function _each(iterator, context) {
+    var i = 0;
+    for (var key in this._object) {
+      var value = this._object[key], pair = [key, value];
+      pair.key = key;
+      pair.value = value;
+      iterator.call(context, pair, i);
+      i++;
+    }
+  }
+
+  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;
+
+    value = String.interpret(value);
+
+    value = value.gsub(/(\r)?\n/, '\r\n');
+    value = encodeURIComponent(value);
+    value = value.gsub(/%20/, '+');
+    return key + '=' + value;
+  }
+
+  function toQueryString() {
+    return this.inject([], function(results, pair) {
+      var key = encodeURIComponent(pair.key), values = pair.value;
+
+      if (values && typeof values == 'object') {
+        if (Object.isArray(values)) {
+          var queryValues = [];
+          for (var i = 0, len = values.length, value; i < len; i++) {
+            value = values[i];
+            queryValues.push(toQueryPair(key, value));
+          }
+          return results.concat(queryValues);
+        }
+      } else results.push(toQueryPair(key, values));
+      return results;
+    }).join('&');
+  }
+
+  function inspect() {
+    return '#<Hash:{' + this.map(function(pair) {
+      return pair.map(Object.inspect).join(': ');
+    }).join(', ') + '}>';
+  }
+
+  function clone() {
+    return new Hash(this);
+  }
+
+  return {
+    initialize:             initialize,
+    _each:                  _each,
+    set:                    set,
+    get:                    get,
+    unset:                  unset,
+    toObject:               toObject,
+    toTemplateReplacements: toObject,
+    keys:                   keys,
+    values:                 values,
+    index:                  index,
+    merge:                  merge,
+    update:                 update,
+    toQueryString:          toQueryString,
+    inspect:                inspect,
+    toJSON:                 toObject,
+    clone:                  clone
+  };
+})());
+
+Hash.from = $H;
+Object.extend(Number.prototype, (function() {
+  function toColorPart() {
+    return this.toPaddedString(2, 16);
+  }
+
+  function succ() {
+    return this + 1;
+  }
+
+  function times(iterator, context) {
+    $R(0, this, true).each(iterator, context);
+    return this;
+  }
+
+  function toPaddedString(length, radix) {
+    var string = this.toString(radix || 10);
+    return '0'.times(length - string.length) + string;
+  }
+
+  function abs() {
+    return Math.abs(this);
+  }
+
+  function round() {
+    return Math.round(this);
+  }
+
+  function ceil() {
+    return Math.ceil(this);
+  }
+
+  function floor() {
+    return Math.floor(this);
+  }
+
+  return {
+    toColorPart:    toColorPart,
+    succ:           succ,
+    times:          times,
+    toPaddedString: toPaddedString,
+    abs:            abs,
+    round:          round,
+    ceil:           ceil,
+    floor:          floor
+  };
+})());
+
+function $R(start, end, exclusive) {
+  return new ObjectRange(start, end, exclusive);
+}
+
+var ObjectRange = Class.create(Enumerable, (function() {
+  function initialize(start, end, exclusive) {
+    this.start = start;
+    this.end = end;
+    this.exclusive = exclusive;
+  }
+
+  function _each(iterator, context) {
+    var value = this.start, i;
+    for (i = 0; this.include(value); i++) {
+      iterator.call(context, value, i);
+      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 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;
+  }
+};
+
+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, context) {
+    this.responders._each(iterator, context);
+  },
+
+  register: function(responder) {
+    if (!this.include(responder))
+      this.responders.push(responder);
+  },
+
+  unregister: function(responder) {
+    this.responders = this.responders.without(responder);
+  },
+
+  dispatch: function(callback, request, transport, json) {
+    this.each(function(responder) {
+      if (Object.isFunction(responder[callback])) {
+        try {
+          responder[callback].apply(responder, [request, transport, json]);
+        } catch (e) { }
+      }
+    });
+  }
+};
+
+Object.extend(Ajax.Responders, Enumerable);
+
+Ajax.Responders.register({
+  onCreate:   function() { Ajax.activeRequestCount++ },
+  onComplete: function() { Ajax.activeRequestCount-- }
+});
+Ajax.Base = Class.create({
+  initialize: function(options) {
+    this.options = {
+      method:       'post',
+      asynchronous: true,
+      contentType:  'application/x-www-form-urlencoded',
+      encoding:     'UTF-8',
+      parameters:   '',
+      evalJSON:     true,
+      evalJS:       true
+    };
+    Object.extend(this.options, options || { });
+
+    this.options.method = this.options.method.toLowerCase();
+
+    if (Object.isHash(this.options.parameters))
+      this.options.parameters = this.options.parameters.toObject();
+  }
+});
+Ajax.Request = Class.create(Ajax.Base, {
+  _complete: false,
+
+  initialize: function($super, url, options) {
+    $super(options);
+    this.transport = Ajax.getTransport();
+    this.request(url);
+  },
+
+  request: function(url) {
+    this.url = url;
+    this.method = this.options.method;
+    var params = Object.isString(this.options.parameters) ?
+          this.options.parameters :
+          Object.toQueryString(this.options.parameters);
+
+    if (!['get', 'post'].include(this.method)) {
+      params += (params ? '&' : '') + "_method=" + this.method;
+      this.method = 'post';
+    }
+
+    if (params && this.method === 'get') {
+      this.url += (this.url.include('?') ? '&' : '?') + params;
+    }
+
+    this.parameters = params.toQueryParams();
+
+    try {
+      var response = new Ajax.Response(this);
+      if (this.options.onCreate) this.options.onCreate(response);
+      Ajax.Responders.dispatch('onCreate', this, response);
+
+      this.transport.open(this.method.toUpperCase(), this.url,
+        this.options.asynchronous);
+
+      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
+
+      this.transport.onreadystatechange = this.onStateChange.bind(this);
+      this.setRequestHeaders();
+
+      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
+      this.transport.send(this.body);
+
+      /* Force Firefox to handle ready state 4 for synchronous requests */
+      if (!this.options.asynchronous && this.transport.overrideMimeType)
+        this.onStateChange();
+
+    }
+    catch (e) {
+      this.dispatchException(e);
+    }
+  },
+
+  onStateChange: function() {
+    var readyState = this.transport.readyState;
+    if (readyState > 1 && !((readyState == 4) && this._complete))
+      this.respondToReadyState(this.transport.readyState);
+  },
+
+  setRequestHeaders: function() {
+    var headers = {
+      'X-Requested-With': 'XMLHttpRequest',
+      'X-Prototype-Version': Prototype.Version,
+      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
+    };
+
+    if (this.method == 'post') {
+      headers['Content-type'] = this.options.contentType +
+        (this.options.encoding ? '; charset=' + this.options.encoding : '');
+
+      /* Force "Connection: close" for older Mozilla browsers to work
+       * around a bug where XMLHttpRequest sends an incorrect
+       * Content-length header. See Mozilla Bugzilla #246651.
+       */
+      if (this.transport.overrideMimeType &&
+          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
+            headers['Connection'] = 'close';
+    }
+
+    if (typeof this.options.requestHeaders == 'object') {
+      var extras = this.options.requestHeaders;
+
+      if (Object.isFunction(extras.push))
+        for (var i = 0, length = extras.length; i < length; i += 2)
+          headers[extras[i]] = extras[i+1];
+      else
+        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
+    }
+
+    for (var name in headers)
+      if (headers[name] != null)
+        this.transport.setRequestHeader(name, headers[name]);
+  },
+
+  success: function() {
+    var status = this.getStatus();
+    return !status || (status >= 200 && status < 300) || status == 304;
+  },
+
+  getStatus: function() {
+    try {
+      if (this.transport.status === 1223) return 204;
+      return this.transport.status || 0;
+    } catch (e) { return 0 }
+  },
+
+  respondToReadyState: function(readyState) {
+    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
+
+    if (state == 'Complete') {
+      try {
+        this._complete = true;
+        (this.options['on' + response.status]
+         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
+         || Prototype.emptyFunction)(response, response.headerJSON);
+      } catch (e) {
+        this.dispatchException(e);
+      }
+
+      var contentType = response.getHeader('Content-type');
+      if (this.options.evalJS == 'force'
+          || (this.options.evalJS && this.isSameOrigin() && contentType
+          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
+        this.evalResponse();
+    }
+
+    try {
+      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
+      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
+    } catch (e) {
+      this.dispatchException(e);
+    }
+
+    if (state == 'Complete') {
+      this.transport.onreadystatechange = Prototype.emptyFunction;
+    }
+  },
+
+  isSameOrigin: function() {
+    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
+    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
+      protocol: location.protocol,
+      domain: document.domain,
+      port: location.port ? ':' + location.port : ''
+    }));
+  },
+
+  getHeader: function(name) {
+    try {
+      return this.transport.getResponseHeader(name) || null;
+    } catch (e) { return null; }
+  },
+
+  evalResponse: function() {
+    try {
+      return eval((this.transport.responseText || '').unfilterJSON());
+    } catch (e) {
+      this.dispatchException(e);
+    }
+  },
+
+  dispatchException: function(exception) {
+    (this.options.onException || Prototype.emptyFunction)(this, exception);
+    Ajax.Responders.dispatch('onException', this, exception);
+  }
+});
+
+Ajax.Request.Events =
+  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
+
+
+
+
+
+
+
+
+Ajax.Response = Class.create({
+  initialize: function(request){
+    this.request = request;
+    var transport  = this.transport  = request.transport,
+        readyState = this.readyState = transport.readyState;
+
+    if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
+      this.status       = this.getStatus();
+      this.statusText   = this.getStatusText();
+      this.responseText = String.interpret(transport.responseText);
+      this.headerJSON   = this._getHeaderJSON();
+    }
+
+    if (readyState == 4) {
+      var xml = transport.responseXML;
+      this.responseXML  = Object.isUndefined(xml) ? null : xml;
+      this.responseJSON = this._getResponseJSON();
+    }
+  },
+
+  status:      0,
+
+  statusText: '',
+
+  getStatus: Ajax.Request.prototype.getStatus,
+
+  getStatusText: function() {
+    try {
+      return this.transport.statusText || '';
+    } catch (e) { return '' }
+  },
+
+  getHeader: Ajax.Request.prototype.getHeader,
+
+  getAllHeaders: function() {
+    try {
+      return this.getAllResponseHeaders();
+    } catch (e) { return null }
+  },
+
+  getResponseHeader: function(name) {
+    return this.transport.getResponseHeader(name);
+  },
+
+  getAllResponseHeaders: function() {
+    return this.transport.getAllResponseHeaders();
+  },
+
+  _getHeaderJSON: function() {
+    var json = this.getHeader('X-JSON');
+    if (!json) return null;
+
+    try {
+      json = decodeURIComponent(escape(json));
+    } catch(e) {
+    }
+
+    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(GLOBAL) {
+
+  var UNDEFINED;
+  var SLICE = Array.prototype.slice;
+
+  var DIV = document.createElement('div');
+
+
+  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);
+  }
+
+  GLOBAL.$ = $;
+
+
+  if (!GLOBAL.Node) GLOBAL.Node = {};
+
+  if (!GLOBAL.Node.ELEMENT_NODE) {
+    Object.extend(GLOBAL.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
+    });
+  }
+
+  var ELEMENT_CACHE = {};
+
+  function shouldUseCreationCache(tagName, attributes) {
+    if (tagName === 'select') return false;
+    if ('type' in attributes) return false;
+    return true;
+  }
+
+  var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
+    try {
+      var el = document.createElement('<input name="x">');
+      return el.tagName.toLowerCase() === 'input' && el.name === 'x';
+    }
+    catch(err) {
+      return false;
+    }
+  })();
+
+
+  var oldElement = GLOBAL.Element;
+  function Element(tagName, attributes) {
+    attributes = attributes || {};
+    tagName = tagName.toLowerCase();
+
+    if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
+      tagName = '<' + tagName + ' name="' + attributes.name + '">';
+      delete attributes.name;
+      return Element.writeAttribute(document.createElement(tagName), attributes);
+    }
+
+    if (!ELEMENT_CACHE[tagName])
+      ELEMENT_CACHE[tagName] = Element.extend(document.createElement(tagName));
+
+    var node = shouldUseCreationCache(tagName, attributes) ?
+     ELEMENT_CACHE[tagName].cloneNode(false) : document.createElement(tagName);
+
+    return Element.writeAttribute(node, attributes);
+  }
+
+  GLOBAL.Element = Element;
+
+  Object.extend(GLOBAL.Element, oldElement || {});
+  if (oldElement) GLOBAL.Element.prototype = oldElement.prototype;
+
+  Element.Methods = { ByTag: {}, Simulated: {} };
+
+  var methods = {};
+
+  var INSPECT_ATTRIBUTES = { id: 'id', className: 'class' };
+  function inspect(element) {
+    element = $(element);
+    var result = '<' + element.tagName.toLowerCase();
+
+    var attribute, value;
+    for (var property in INSPECT_ATTRIBUTES) {
+      attribute = INSPECT_ATTRIBUTES[property];
+      value = (element[property] || '').toString();
+      if (value) result += ' ' + attribute + '=' + value.inspect(true);
+    }
+
+    return result + '>';
+  }
+
+  methods.inspect = inspect;
+
+
+  function visible(element) {
+    return $(element).getStyle('display') !== 'none';
+  }
+
+  function toggle(element, bool) {
+    element = $(element);
+    if (typeof bool !== 'boolean')
+      bool = !Element.visible(element);
+    Element[bool ? 'show' : 'hide'](element);
+
+    return element;
+  }
+
+  function hide(element) {
+    element = $(element);
+    element.style.display = 'none';
+    return element;
+  }
+
+  function show(element) {
+    element = $(element);
+    element.style.display = '';
+    return element;
+  }
+
+
+  Object.extend(methods, {
+    visible: visible,
+    toggle:  toggle,
+    hide:    hide,
+    show:    show
+  });
+
+
+  function remove(element) {
+    element = $(element);
+    element.parentNode.removeChild(element);
+    return element;
+  }
+
+  var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
+    var el = document.createElement("select"),
+        isBuggy = true;
+    el.innerHTML = "<option value=\"test\">test</option>";
+    if (el.options && el.options[0]) {
+      isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
+    }
+    el = null;
+    return isBuggy;
+  })();
+
+  var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
+    try {
+      var el = document.createElement("table");
+      if (el && el.tBodies) {
+        el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
+        var isBuggy = typeof el.tBodies[0] == "undefined";
+        el = null;
+        return isBuggy;
+      }
+    } catch (e) {
+      return true;
+    }
+  })();
+
+  var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
+    try {
+      var el = document.createElement('div');
+      el.innerHTML = "<link />";
+      var isBuggy = (el.childNodes.length === 0);
+      el = null;
+      return isBuggy;
+    } catch(e) {
+      return true;
+    }
+  })();
+
+  var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
+   TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;
+
+  var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
+    var s = document.createElement("script"),
+        isBuggy = false;
+    try {
+      s.appendChild(document.createTextNode(""));
+      isBuggy = !s.firstChild ||
+        s.firstChild && s.firstChild.nodeType !== 3;
+    } catch (e) {
+      isBuggy = true;
+    }
+    s = null;
+    return isBuggy;
+  })();
+
+  function update(element, content) {
+    element = $(element);
+
+    var descendants = element.getElementsByTagName('*'),
+     i = descendants.length;
+    while (i--) purgeElement(descendants[i]);
+
+    if (content && content.toElement)
+      content = content.toElement();
+
+    if (Object.isElement(content))
+      return element.update().insert(content);
+
+
+    content = Object.toHTML(content);
+    var tagName = element.tagName.toUpperCase();
+
+    if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
+      element.text = content;
+      return element;
+    }
+
+    if (ANY_INNERHTML_BUGGY) {
+      if (tagName in INSERTION_TRANSLATIONS.tags) {
+        while (element.firstChild)
+          element.removeChild(element.firstChild);
+
+        var nodes = getContentFromAnonymousElement(tagName, content.stripScripts());
+        for (var i = 0, node; node = nodes[i]; i++)
+          element.appendChild(node);
+
+      } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
+        while (element.firstChild)
+          element.removeChild(element.firstChild);
+
+        var nodes = getContentFromAnonymousElement(tagName,
+         content.stripScripts(), true);
+
+        for (var i = 0, node; node = nodes[i]; i++)
+          element.appendChild(node);
+      } else {
+        element.innerHTML = content.stripScripts();
+      }
+    } else {
+      element.innerHTML = content.stripScripts();
+    }
+
+    content.evalScripts.bind(content).defer();
+    return element;
+  }
+
+  function replace(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;
+  }
+
+  var INSERTION_TRANSLATIONS = {
+    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]
+    }
+  };
+
+  var tags = INSERTION_TRANSLATIONS.tags;
+
+  Object.extend(tags, {
+    THEAD: tags.TBODY,
+    TFOOT: tags.TBODY,
+    TH:    tags.TD
+  });
+
+  function replace_IE(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 (tagName in INSERTION_TRANSLATIONS.tags) {
+      var nextSibling = Element.next(element);
+      var fragments = getContentFromAnonymousElement(
+       tagName, content.stripScripts());
+
+      parent.removeChild(element);
+
+      var iterator;
+      if (nextSibling)
+        iterator = function(node) { parent.insertBefore(node, nextSibling) };
+      else
+        iterator = function(node) { parent.appendChild(node); }
+
+      fragments.each(iterator);
+    } else {
+      element.outerHTML = content.stripScripts();
+    }
+
+    content.evalScripts.bind(content).defer();
+    return element;
+  }
+
+  if ('outerHTML' in document.documentElement)
+    replace = replace_IE;
+
+  function isContent(content) {
+    if (Object.isUndefined(content) || content === null) return false;
+
+    if (Object.isString(content) || Object.isNumber(content)) return true;
+    if (Object.isElement(content)) return true;
+    if (content.toElement || content.toHTML) return true;
+
+    return false;
+  }
+
+  function insertContentAt(element, content, position) {
+    position   = position.toLowerCase();
+    var method = INSERTION_TRANSLATIONS[position];
+
+    if (content && content.toElement) content = content.toElement();
+    if (Object.isElement(content)) {
+      method(element, content);
+      return element;
+    }
+
+    content = Object.toHTML(content);
+    var tagName = ((position === 'before' || position === 'after') ?
+     element.parentNode : element).tagName.toUpperCase();
+
+    var childNodes = getContentFromAnonymousElement(tagName, content.stripScripts());
+
+    if (position === 'top' || position === 'after') childNodes.reverse();
+
+    for (var i = 0, node; node = childNodes[i]; i++)
+      method(element, node);
+
+    content.evalScripts.bind(content).defer();
+  }
+
+  function insert(element, insertions) {
+    element = $(element);
+
+    if (isContent(insertions))
+      insertions = { bottom: insertions };
+
+    for (var position in insertions)
+      insertContentAt(element, insertions[position], position);
+
+    return element;
+  }
+
+  function wrap(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;
+  }
+
+  function cleanWhitespace(element) {
+    element = $(element);
+    var node = element.firstChild;
+
+    while (node) {
+      var nextNode = node.nextSibling;
+      if (node.nodeType === Node.TEXT_NODE && !/\S/.test(node.nodeValue))
+        element.removeChild(node);
+      node = nextNode;
+    }
+    return element;
+  }
+
+  function empty(element) {
+    return $(element).innerHTML.blank();
+  }
+
+  function getContentFromAnonymousElement(tagName, html, force) {
+    var t = INSERTION_TRANSLATIONS.tags[tagName], div = DIV;
+
+    var workaround = !!t;
+    if (!workaround && force) {
+      workaround = true;
+      t = ['', '', 0];
+    }
+
+    if (workaround) {
+      div.innerHTML = '&#160;' + t[0] + html + t[1];
+      div.removeChild(div.firstChild);
+      for (var i = t[2]; i--; )
+        div = div.firstChild;
+    } else {
+      div.innerHTML = html;
+    }
+
+    return $A(div.childNodes);
+  }
+
+  function clone(element, deep) {
+    if (!(element = $(element))) return;
+    var clone = element.cloneNode(deep);
+    if (!HAS_UNIQUE_ID_PROPERTY) {
+      clone._prototypeUID = UNDEFINED;
+      if (deep) {
+        var descendants = Element.select(clone, '*'),
+         i = descendants.length;
+        while (i--)
+          descendants[i]._prototypeUID = UNDEFINED;
+      }
+    }
+    return Element.extend(clone);
+  }
+
+  function purgeElement(element) {
+    var uid = getUniqueElementID(element);
+    if (uid) {
+      Element.stopObserving(element);
+      if (!HAS_UNIQUE_ID_PROPERTY)
+        element._prototypeUID = UNDEFINED;
+      delete Element.Storage[uid];
+    }
+  }
+
+  function purgeCollection(elements) {
+    var i = elements.length;
+    while (i--)
+      purgeElement(elements[i]);
+  }
+
+  function purgeCollection_IE(elements) {
+    var i = elements.length, element, uid;
+    while (i--) {
+      element = elements[i];
+      uid = getUniqueElementID(element);
+      delete Element.Storage[uid];
+      delete Event.cache[uid];
+    }
+  }
+
+  if (HAS_UNIQUE_ID_PROPERTY) {
+    purgeCollection = purgeCollection_IE;
+  }
+
+
+  function purge(element) {
+    if (!(element = $(element))) return;
+    purgeElement(element);
+
+    var descendants = element.getElementsByTagName('*'),
+     i = descendants.length;
+
+    while (i--) purgeElement(descendants[i]);
+
+    return null;
+  }
+
+  Object.extend(methods, {
+    remove:  remove,
+    update:  update,
+    replace: replace,
+    insert:  insert,
+    wrap:    wrap,
+    cleanWhitespace: cleanWhitespace,
+    empty:   empty,
+    clone:   clone,
+    purge:   purge
+  });
+
+
+
+  function recursivelyCollect(element, property, maximumLength) {
+    element = $(element);
+    maximumLength = maximumLength || -1;
+    var elements = [];
+
+    while (element = element[property]) {
+      if (element.nodeType === Node.ELEMENT_NODE)
+        elements.push(Element.extend(element));
+
+      if (elements.length === maximumLength) break;
+    }
+
+    return elements;
+  }
+
+
+  function ancestors(element) {
+    return recursivelyCollect(element, 'parentNode');
+  }
+
+  function descendants(element) {
+    return Element.select(element, '*');
+  }
+
+  function firstDescendant(element) {
+    element = $(element).firstChild;
+    while (element && element.nodeType !== Node.ELEMENT_NODE)
+      element = element.nextSibling;
+
+    return $(element);
+  }
+
+  function immediateDescendants(element) {
+    var results = [], child = $(element).firstChild;
+
+    while (child) {
+      if (child.nodeType === Node.ELEMENT_NODE)
+        results.push(Element.extend(child));
+
+      child = child.nextSibling;
+    }
+
+    return results;
+  }
+
+  function previousSiblings(element) {
+    return recursivelyCollect(element, 'previousSibling');
+  }
+
+  function nextSiblings(element) {
+    return recursivelyCollect(element, 'nextSibling');
+  }
+
+  function siblings(element) {
+    element = $(element);
+    var previous = previousSiblings(element),
+     next = nextSiblings(element);
+    return previous.reverse().concat(next);
+  }
+
+  function match(element, selector) {
+    element = $(element);
+
+    if (Object.isString(selector))
+      return Prototype.Selector.match(element, selector);
+
+    return selector.match(element);
+  }
+
+
+  function _recursivelyFind(element, property, expression, index) {
+    element = $(element), expression = expression || 0, index = index || 0;
+    if (Object.isNumber(expression)) {
+      index = expression, expression = null;
+    }
+
+    while (element = element[property]) {
+      if (element.nodeType !== 1) continue;
+      if (expression && !Prototype.Selector.match(element, expression))
+        continue;
+      if (--index >= 0) continue;
+
+      return Element.extend(element);
+    }
+  }
+
+
+  function up(element, expression, index) {
+    element = $(element);
+
+    if (arguments.length === 1) return $(element.parentNode);
+    return _recursivelyFind(element, 'parentNode', expression, index);
+  }
+
+  function down(element, expression, index) {
+    if (arguments.length === 1) return firstDescendant(element);
+    element = $(element), expression = expression || 0, index = index || 0;
+
+    if (Object.isNumber(expression))
+      index = expression, expression = '*';
+
+    var node = Prototype.Selector.select(expression, element)[index];
+    return Element.extend(node);
+  }
+
+  function previous(element, expression, index) {
+    return _recursivelyFind(element, 'previousSibling', expression, index);
+  }
+
+  function next(element, expression, index) {
+    return _recursivelyFind(element, 'nextSibling', expression, index);
+  }
+
+  function select(element) {
+    element = $(element);
+    var expressions = SLICE.call(arguments, 1).join(', ');
+    return Prototype.Selector.select(expressions, element);
+  }
+
+  function adjacent(element) {
+    element = $(element);
+    var expressions = SLICE.call(arguments, 1).join(', ');
+    var siblings = Element.siblings(element), results = [];
+    for (var i = 0, sibling; sibling = siblings[i]; i++) {
+      if (Prototype.Selector.match(sibling, expressions))
+        results.push(sibling);
+    }
+
+    return results;
+  }
+
+  function descendantOf_DOM(element, ancestor) {
+    element = $(element), ancestor = $(ancestor);
+    if (!element || !ancestor) return false;
+    while (element = element.parentNode)
+      if (element === ancestor) return true;
+    return false;
+  }
+
+  function descendantOf_contains(element, ancestor) {
+    element = $(element), ancestor = $(ancestor);
+    if (!element || !ancestor) return false;
+    if (!ancestor.contains) return descendantOf_DOM(element, ancestor);
+    return ancestor.contains(element) && ancestor !== element;
+  }
+
+  function descendantOf_compareDocumentPosition(element, ancestor) {
+    element = $(element), ancestor = $(ancestor);
+    if (!element || !ancestor) return false;
+    return (element.compareDocumentPosition(ancestor) & 8) === 8;
+  }
+
+  var descendantOf;
+  if (DIV.compareDocumentPosition) {
+    descendantOf = descendantOf_compareDocumentPosition;
+  } else if (DIV.contains) {
+    descendantOf = descendantOf_contains;
+  } else {
+    descendantOf = descendantOf_DOM;
+  }
+
+
+  Object.extend(methods, {
+    recursivelyCollect:   recursivelyCollect,
+    ancestors:            ancestors,
+    descendants:          descendants,
+    firstDescendant:      firstDescendant,
+    immediateDescendants: immediateDescendants,
+    previousSiblings:     previousSiblings,
+    nextSiblings:         nextSiblings,
+    siblings:             siblings,
+    match:                match,
+    up:                   up,
+    down:                 down,
+    previous:             previous,
+    next:                 next,
+    select:               select,
+    adjacent:             adjacent,
+    descendantOf:         descendantOf,
+
+    getElementsBySelector: select,
+
+    childElements:         immediateDescendants
+  });
+
+
+  var idCounter = 1;
+  function identify(element) {
+    element = $(element);
+    var id = Element.readAttribute(element, 'id');
+    if (id) return id;
+
+    do { id = 'anonymous_element_' + idCounter++ } while ($(id));
+
+    Element.writeAttribute(element, 'id', id);
+    return id;
+  }
+
+
+  function readAttribute(element, name) {
+    return $(element).getAttribute(name);
+  }
+
+  function readAttribute_IE(element, name) {
+    element = $(element);
+
+    var table = ATTRIBUTE_TRANSLATIONS.read;
+    if (table.values[name])
+      return table.values[name](element, name);
+
+    if (table.names[name]) name = table.names[name];
+
+    if (name.include(':')) {
+      if (!element.attributes || !element.attributes[name]) return null;
+      return element.attributes[name].value;
+    }
+
+    return element.getAttribute(name);
+  }
+
+  function readAttribute_Opera(element, name) {
+    if (name === 'title') return element.title;
+    return element.getAttribute(name);
+  }
+
+  var PROBLEMATIC_ATTRIBUTE_READING = (function() {
+    DIV.setAttribute('onclick', []);
+    var value = DIV.getAttribute('onclick');
+    var isFunction = Object.isArray(value);
+    DIV.removeAttribute('onclick');
+    return isFunction;
+  })();
+
+  if (PROBLEMATIC_ATTRIBUTE_READING) {
+    readAttribute = readAttribute_IE;
+  } else if (Prototype.Browser.Opera) {
+    readAttribute = readAttribute_Opera;
+  }
+
+
+  function writeAttribute(element, name, value) {
+    element = $(element);
+    var attributes = {}, table = ATTRIBUTE_TRANSLATIONS.write;
+
+    if (typeof name === 'object') {
+      attributes = name;
+    } else {
+      attributes[name] = Object.isUndefined(value) ? true : value;
+    }
+
+    for (var attr in attributes) {
+      name = table.names[attr] || attr;
+      value = attributes[attr];
+      if (table.values[attr]) {
+        value = table.values[attr](element, value);
+        if (Object.isUndefined(value)) continue;
+      }
+      if (value === false || value === null)
+        element.removeAttribute(name);
+      else if (value === true)
+        element.setAttribute(name, name);
+      else element.setAttribute(name, value);
+    }
+
+    return element;
+  }
+
+  var PROBLEMATIC_HAS_ATTRIBUTE_WITH_CHECKBOXES = (function () {
+    if (!HAS_EXTENDED_CREATE_ELEMENT_SYNTAX) {
+      return false;
+    }
+    var checkbox = document.createElement('<input type="checkbox">');
+    checkbox.checked = true;
+    var node = checkbox.getAttributeNode('checked');
+    return !node || !node.specified;
+  })();
+
+  function hasAttribute(element, attribute) {
+    attribute = ATTRIBUTE_TRANSLATIONS.has[attribute] || attribute;
+    var node = $(element).getAttributeNode(attribute);
+    return !!(node && node.specified);
+  }
+
+  function hasAttribute_IE(element, attribute) {
+    if (attribute === 'checked') {
+      return element.checked;
+    }
+    return hasAttribute(element, attribute);
+  }
+
+  GLOBAL.Element.Methods.Simulated.hasAttribute =
+   PROBLEMATIC_HAS_ATTRIBUTE_WITH_CHECKBOXES ?
+   hasAttribute_IE : hasAttribute;
+
+  function classNames(element) {
+    return new Element.ClassNames(element);
+  }
+
+  var regExpCache = {};
+  function getRegExpForClassName(className) {
+    if (regExpCache[className]) return regExpCache[className];
+
+    var re = new RegExp("(^|\\s+)" + className + "(\\s+|$)");
+    regExpCache[className] = re;
+    return re;
+  }
+
+  function hasClassName(element, className) {
+    if (!(element = $(element))) return;
+
+    var elementClassName = element.className;
+
+    if (elementClassName.length === 0) return false;
+    if (elementClassName === className) return true;
+
+    return getRegExpForClassName(className).test(elementClassName);
+  }
+
+  function addClassName(element, className) {
+    if (!(element = $(element))) return;
+
+    if (!hasClassName(element, className))
+      element.className += (element.className ? ' ' : '') + className;
+
+    return element;
+  }
+
+  function removeClassName(element, className) {
+    if (!(element = $(element))) return;
+
+    element.className = element.className.replace(
+     getRegExpForClassName(className), ' ').strip();
+
+    return element;
+  }
+
+  function toggleClassName(element, className, bool) {
+    if (!(element = $(element))) return;
+
+    if (Object.isUndefined(bool))
+      bool = !hasClassName(element, className);
+
+    var method = Element[bool ? 'addClassName' : 'removeClassName'];
+    return method(element, className);
+  }
+
+  var ATTRIBUTE_TRANSLATIONS = {};
+
+  var classProp = 'className', forProp = 'for';
+
+  DIV.setAttribute(classProp, 'x');
+  if (DIV.className !== 'x') {
+    DIV.setAttribute('class', 'x');
+    if (DIV.className === 'x')
+      classProp = 'class';
+  }
+
+  var LABEL = document.createElement('label');
+  LABEL.setAttribute(forProp, 'x');
+  if (LABEL.htmlFor !== 'x') {
+    LABEL.setAttribute('htmlFor', 'x');
+    if (LABEL.htmlFor === 'x')
+      forProp = 'htmlFor';
+  }
+  LABEL = null;
+
+  function _getAttr(element, attribute) {
+    return element.getAttribute(attribute);
+  }
+
+  function _getAttr2(element, attribute) {
+    return element.getAttribute(attribute, 2);
+  }
+
+  function _getAttrNode(element, attribute) {
+    var node = element.getAttributeNode(attribute);
+    return node ? node.value : '';
+  }
+
+  function _getFlag(element, attribute) {
+    return $(element).hasAttribute(attribute) ? attribute : null;
+  }
+
+  DIV.onclick = Prototype.emptyFunction;
+  var onclickValue = DIV.getAttribute('onclick');
+
+  var _getEv;
+
+  if (String(onclickValue).indexOf('{') > -1) {
+    _getEv = function(element, attribute) {
+      var value = element.getAttribute(attribute);
+      if (!value) return null;
+      value = value.toString();
+      value = value.split('{')[1];
+      value = value.split('}')[0];
+      return value.strip();
+    };
+  }
+  else if (onclickValue === '') {
+    _getEv = function(element, attribute) {
+      var value = element.getAttribute(attribute);
+      if (!value) return null;
+      return value.strip();
+    };
+  }
+
+  ATTRIBUTE_TRANSLATIONS.read = {
+    names: {
+      'class':     classProp,
+      'className': classProp,
+      'for':       forProp,
+      'htmlFor':   forProp
+    },
+
+    values: {
+      style: function(element) {
+        return element.style.cssText.toLowerCase();
+      },
+      title: function(element) {
+        return element.title;
+      }
+    }
+  };
+
+  ATTRIBUTE_TRANSLATIONS.write = {
+    names: {
+      className:   'class',
+      htmlFor:     'for',
+      cellpadding: 'cellPadding',
+      cellspacing: 'cellSpacing'
+    },
+
+    values: {
+      checked: function(element, value) {
+        value = !!value;
+        element.checked = value;
+        return value ? 'checked' : null;
+      },
+
+      style: function(element, value) {
+        element.style.cssText = value ? value : '';
+      }
+    }
+  };
+
+  ATTRIBUTE_TRANSLATIONS.has = { names: {} };
+
+  Object.extend(ATTRIBUTE_TRANSLATIONS.write.names,
+   ATTRIBUTE_TRANSLATIONS.read.names);
+
+  var CAMEL_CASED_ATTRIBUTE_NAMES = $w('colSpan rowSpan vAlign dateTime ' +
+   'accessKey tabIndex encType maxLength readOnly longDesc frameBorder');
+
+  for (var i = 0, attr; attr = CAMEL_CASED_ATTRIBUTE_NAMES[i]; i++) {
+    ATTRIBUTE_TRANSLATIONS.write.names[attr.toLowerCase()] = attr;
+    ATTRIBUTE_TRANSLATIONS.has.names[attr.toLowerCase()]   = attr;
+  }
+