Remove all studying apps code.

3 files changed, 0 insertions, 6385 deletions

diff --git a/js/liststudy.js b/js/liststudy.js
deleted file mode 100644
index 2d340c9..0000000
--- a/js/liststudy.js
+++ /dev/null
@@ -1,171 +0,0 @@
-/*	
-	liststudy.js
-	this script formats the data in batch_data and reviews_data to make a nice table out of it.
-*/
-
-var items = [];
-
-var max_score = 0;
-var med_score = 0;
-var avg_score = 0;
-
-function show_batch_table() {
-	process_items();
-	show_contents_table();
-	show_reviews_table();
-}
-
-function process_items() {
-	var item_idx = {};
-
-	for (var i = 0; i < batch_data.items.length; i++) {
-		var d = batch_data.items[i];
-		item_idx[d[0]] = items.length;
-		items.push(
-			{
-				"info": d,
-				"win": 0, "fail": 0,
-				"score": 0, "marker": "",
-			}	
-		);
-	}
-
-	// Calculate total wins and losses
-	for (var i = 0; i < reviews_data.length; i++) {
-		for (var j = 0; j < reviews_data[i].results.length; j++) {
-			var n = reviews_data[i].results[j][0];
-			var s = reviews_data[i].results[j][1];
-			var k = item_idx[n];
-			if (s == 1) {
-				items[k].win++;
-				items[k].score++;
-			} else if (s == -1) {
-				items[k].fail++;
-				items[k].score--;
-			}
-		}
-	}
-
-	// Make marker indication : -1 (fail) -> red, 0 (dunno) -> yellow
-	if (reviews_data.length > 0) {
-		var t = reviews_data[reviews_data.length - 1].results;
-		for (var j = 0; j < t.length; j++) {
-			var s = t[j][1];
-			if (s == 1) continue;
-			var n = t[j][0];
-			var k = item_idx[n];
-			items[k].marker = items[k].marker + '<span style="color: ' + (s == 0 ? '#FFAA00' : '#FF0000') + '">*</span>';
-		}
-	}
-
-
-	// Get max score
-	for (var i = 0; i < items.length; i++) {
-		if (items[i].score > max_score) max_score = items[i].score;
-		avg_score += items[i].score;
-	}
-	avg_score = Math.ceil(avg_score * 20 / items.length) / 20;
-	med_score = max_score / 2;
-}
-
-function show_contents_table() {
-	var html = '<table><tr><th class="invisible_td"></th>';
-	for (var i = 0; i < batch_data.columns.length; i++) {
-		var c = batch_data.columns[i];
-		html += '<th>' + c + ' <a class="tool_link" href="#" onclick="ch(' + i + ')" id="chsl' + i + '">hide</a>' +
-			(i != 0 ? ' <a class="tool_link" href="#" onclick="lcol(' + i + ')">list</a>' : '') + '</th>' ;
-	}
-	html += '<th>win</th><th>fail</th><th>score</th></tr>';
-	for (var i = 0; i < items.length; i++) {
-		html += '<tr onclick="edit_note(' + i + ');">';
-		html += '<td class="invisible_td"><span style="font-weight: bold">' + items[i].marker  + '</span>' + 
-			'</td>';
-		for (var j = 0; j < items[i].info.length; j++) {
-			html += '<td><span class="cd' + j + '">' + items[i].info[j] + '</span></td>';
-		}
-		html += '<td>' + items[i].win + '</td>';
-		html += '<td' + (items[i].fail > 0 ? (items[i].fail > items[i].win ? ' style="background-color: #ff7777"' : ' style="background-color: #FFFF00"') : '') + '>' + items[i].fail + '</td>';
-		html += '<td style="background-color: ' + 
-			(items[i].score == max_score ? '#00aa00' : 
-			(items[i].score >= med_score ? '#55FF55' : 
-			(items[i].score < 0 ? '#FF7777' : '#FFFF00'))) + '">' + items[i].score + '</td></tr>';
-		if (notes[items[i].info[0]]) {
-			var note = notes[items[i].info[0]];
-			html += '<tr><td class="invisible_td"></td><td class="study_note_td" colspan="'
-				 + (items[i].info.length)  + '">' + note.replace(/\|\|/g, '<br/>') + '</td></tr>';
-		}
-	}
-	html += '</table>';
-	html += '<p>Average score : ' + avg_score + '</p>';
-	$("items").innerHTML = html;
-}
-
-function ch(col) {
-	$$(".cd"+col).invoke("hide");
-	$("chsl"+col).innerHTML = 'show';
-	$("chsl"+col).onclick = function() { cs(col); };
-}
-
-function cs(col) {
-	$$(".cd"+col).invoke("show");
-	$("chsl"+col).innerHTML = 'hide';
-	$("chsl"+col).onclick = function() { ch(col); };
-}
-
-function lcol(col) {
-	html = '<p><a href="#" onclick="show_contents_table()">Show complete table</a></p><ul>';
-	for (var i = 0; i < items.length; i++) {
-		html += '<li><p><span class="info">' + items[i].info[0] + '</span>' + items[i].info[col] + '</p></li>';
-	}
-	html += '</ul>';
-	$("items").innerHTML = html;
-}
-
-function show_reviews_table() {
-	// eventually, will also show a graph of progress. or maybee not.
-	if (reviews_data.length == 0) {
-		$("reviews").innerHTML = "No reviews... yet.";
-	} else {
-		var html = '<table><tr><th>review date</th><th>score</th></tr>';
-		for (var i = 0; i < reviews_data.length; i++) {
-			var color = '';
-			if (reviews_data[i].score == 100)
-				color = '#00aa00';
-			else if (reviews_data[i].score >= 90)
-				color = '#22EE22';
-			else if (reviews_data[i].score >= 80)
-				color = '#55FF55';
-			else if (reviews_data[i].score >= 60)
-				color = '#eeee00';
-			else if (reviews_data[i].score >= 40)
-				color = '#FFAA22';
-			else
-				color = '#FF7777';
-			html += '<tr><td>' + reviews_data[i].date + '</td><td style="background-color: ' + color + '">' + reviews_data[i].score + '/100</td></tr>';
-		}
-		html += '</table>';
-
-		$("reviews").innerHTML = html;
-	}
-}
-
-
-function edit_note(id) {
-	var idd = items[id].info[0];
-	var note = prompt("Add note for item:\n(you might want to add a long note, so I'm adding this text to make the prompt box bigger)", notes[idd] || '');
-	if (note != null) notes[idd] = note;
-	if (notes[idd] == '') delete notes[idd];
-	show_contents_table();
-
-	new Ajax.Request('index.php?p=brresults-study-' + batchid, {
-		method: 'post',
-		parameters: {
-			notes: Object.toJSON(notes),
-		},
-		onSuccess: function(transport) {
-			// nothing...
-		},
-	});
-}
-
-
diff --git a/js/prototype.js b/js/prototype.js
deleted file mode 100644
index 474b223..0000000
--- a/js/prototype.js
+++ /dev/null
@@ -1,6082 +0,0 @@
-/*  Prototype JavaScript framework, version 1.7
- *  (c) 2005-2010 Sam Stephenson
- *
- *  Prototype is freely distributable under the terms of an MIT-style license.
- *  For details, see the Prototype web site: http://www.prototypejs.org/
- *
- *--------------------------------------------------------------------------*/
-
-var Prototype = {
-
-  Version: '1.7',
-
-  Browser: (function(){
-    var ua = navigator.userAgent;
-    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
-    return {
-      IE:             !!window.attachEvent && !isOpera,
-      Opera:          isOpera,
-      WebKit:         ua.indexOf('AppleWebKit/') > -1,
-      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
-      MobileSafari:   /Apple.*Mobile/.test(ua)
-    }
-  })(),
-
-  BrowserFeatures: {
-    XPath: !!document.evaluate,
-
-    SelectorsAPI: !!document.querySelector,
-
-    ElementExtensions: (function() {
-      var constructor = window.Element || window.HTMLElement;
-      return !!(constructor && constructor.prototype);
-    })(),
-    SpecificElementExtensions: (function() {
-      if (typeof window.HTMLDivElement !== 'undefined')
-        return true;
-
-      var div = document.createElement('div'),
-          form = document.createElement('form'),
-          isSupported = false;
-
-      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
-        isSupported = true;
-      }
-
-      div = form = null;
-
-      return isSupported;
-    })()
-  },
-
-  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
-  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
-
-  emptyFunction: function() { },
-
-  K: function(x) { return x }
-};
-
-if (Prototype.Browser.MobileSafari)
-  Prototype.BrowserFeatures.SpecificElementExtensions = false;
-
-
-var Abstract = { };
-
-
-var Try = {
-  these: function() {
-    var returnValue;
-
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) { }
-    }
-
-    return returnValue;
-  }
-};
-
-/* Based on Alex Arnell's inheritance implementation. */
-
-var Class = (function() {
-
-  var IS_DONTENUM_BUGGY = (function(){
-    for (var p in { toString: 1 }) {
-      if (p === 'toString') return false;
-    }
-    return true;
-  })();
-
-  function subclass() {};
-  function create() {
-    var parent = null, properties = $A(arguments);
-    if (Object.isFunction(properties[0]))
-      parent = properties.shift();
-
-    function klass() {
-      this.initialize.apply(this, arguments);
-    }
-
-    Object.extend(klass, Class.Methods);
-    klass.superclass = parent;
-    klass.subclasses = [];
-
-    if (parent) {
-      subclass.prototype = parent.prototype;
-      klass.prototype = new subclass;
-      parent.subclasses.push(klass);
-    }
-
-    for (var i = 0, length = properties.length; i < length; i++)
-      klass.addMethods(properties[i]);
-
-    if (!klass.prototype.initialize)
-      klass.prototype.initialize = Prototype.emptyFunction;
-
-    klass.prototype.constructor = klass;
-    return klass;
-  }
-
-  function addMethods(source) {
-    var ancestor   = this.superclass && this.superclass.prototype,
-        properties = Object.keys(source);
-
-    if (IS_DONTENUM_BUGGY) {
-      if (source.toString != Object.prototype.toString)
-        properties.push("toString");
-      if (source.valueOf != Object.prototype.valueOf)
-        properties.push("valueOf");
-    }
-
-    for (var i = 0, length = properties.length; i < length; i++) {
-      var property = properties[i], value = source[property];
-      if (ancestor && Object.isFunction(value) &&
-          value.argumentNames()[0] == "$super") {
-        var method = value;
-        value = (function(m) {
-          return function() { return ancestor[m].apply(this, arguments); };
-        })(property).wrap(method);
-
-        value.valueOf = method.valueOf.bind(method);
-        value.toString = method.toString.bind(method);
-      }
-      this.prototype[property] = value;
-    }
-
-    return this;
-  }
-
-  return {
-    create: create,
-    Methods: {
-      addMethods: addMethods
-    }
-  };
-})();
-(function() {
-
-  var _toString = Object.prototype.toString,
-      NULL_TYPE = 'Null',
-      UNDEFINED_TYPE = 'Undefined',
-      BOOLEAN_TYPE = 'Boolean',
-      NUMBER_TYPE = 'Number',
-      STRING_TYPE = 'String',
-      OBJECT_TYPE = 'Object',
-      FUNCTION_CLASS = '[object Function]',
-      BOOLEAN_CLASS = '[object Boolean]',
-      NUMBER_CLASS = '[object Number]',
-      STRING_CLASS = '[object String]',
-      ARRAY_CLASS = '[object Array]',
-      DATE_CLASS = '[object Date]',
-      NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
-        typeof JSON.stringify === 'function' &&
-        JSON.stringify(0) === '0' &&
-        typeof JSON.stringify(Prototype.K) === 'undefined';
-
-  function Type(o) {
-    switch(o) {
-      case null: return NULL_TYPE;
-      case (void 0): return UNDEFINED_TYPE;
-    }
-    var type = typeof o;
-    switch(type) {
-      case 'boolean': return BOOLEAN_TYPE;
-      case 'number':  return NUMBER_TYPE;
-      case 'string':  return STRING_TYPE;
-    }
-    return OBJECT_TYPE;
-  }
-
-  function extend(destination, source) {
-    for (var property in source)
-      destination[property] = source[property];
-    return destination;
-  }
-
-  function inspect(object) {
-    try {
-      if (isUndefined(object)) return 'undefined';
-      if (object === null) return 'null';
-      return object.inspect ? object.inspect() : String(object);
-    } catch (e) {
-      if (e instanceof RangeError) return '...';
-      throw e;
-    }
-  }
-
-  function toJSON(value) {
-    return Str('', { '': value }, []);
-  }
-
-  function Str(key, holder, stack) {
-    var value = holder[key],
-        type = typeof value;
-
-    if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
-      value = value.toJSON(key);
-    }
-
-    var _class = _toString.call(value);
-
-    switch (_class) {
-      case NUMBER_CLASS:
-      case BOOLEAN_CLASS:
-      case STRING_CLASS:
-        value = value.valueOf();
-    }
-
-    switch (value) {
-      case null: return 'null';
-      case true: return 'true';
-      case false: return 'false';
-    }
-
-    type = typeof value;
-    switch (type) {
-      case 'string':
-        return value.inspect(true);
-      case 'number':
-        return isFinite(value) ? String(value) : 'null';
-      case 'object':
-
-        for (var i = 0, length = stack.length; i < length; i++) {
-          if (stack[i] === value) { throw new TypeError(); }
-        }
-        stack.push(value);
-
-        var partial = [];
-        if (_class === ARRAY_CLASS) {
-          for (var i = 0, length = value.length; i < length; i++) {
-            var str = Str(i, value, stack);
-            partial.push(typeof str === 'undefined' ? 'null' : str);
-          }
-          partial = '[' + partial.join(',') + ']';
-        } else {
-          var keys = Object.keys(value);
-          for (var i = 0, length = keys.length; i < length; i++) {
-            var key = keys[i], str = Str(key, value, stack);
-            if (typeof str !== "undefined") {
-               partial.push(key.inspect(true)+ ':' + str);
-             }
-          }
-          partial = '{' + partial.join(',') + '}';
-        }
-        stack.pop();
-        return partial;
-    }
-  }
-
-  function stringify(object) {
-    return JSON.stringify(object);
-  }
-
-  function toQueryString(object) {
-    return $H(object).toQueryString();
-  }
-
-  function toHTML(object) {
-    return object && object.toHTML ? object.toHTML() : String.interpret(object);
-  }
-
-  function keys(object) {
-    if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
-    var results = [];
-    for (var property in object) {
-      if (object.hasOwnProperty(property)) {
-        results.push(property);
-      }
-    }
-    return results;
-  }
-
-  function values(object) {
-    var results = [];
-    for (var property in object)
-      results.push(object[property]);
-    return results;
-  }
-
-  function clone(object) {
-    return extend({ }, object);
-  }
-
-  function isElement(object) {
-    return !!(object && object.nodeType == 1);
-  }
-
-  function isArray(object) {
-    return _toString.call(object) === ARRAY_CLASS;
-  }
-
-  var hasNativeIsArray = (typeof Array.isArray == 'function')
-    && Array.isArray([]) && !Array.isArray({});
-
-  if (hasNativeIsArray) {
-    isArray = Array.isArray;
-  }
-
-  function isHash(object) {
-    return object instanceof Hash;
-  }
-
-  function isFunction(object) {
-    return _toString.call(object) === FUNCTION_CLASS;
-  }
-
-  function isString(object) {
-    return _toString.call(object) === STRING_CLASS;
-  }
-
-  function isNumber(object) {
-    return _toString.call(object) === NUMBER_CLASS;
-  }
-
-  function isDate(object) {
-    return _toString.call(object) === DATE_CLASS;
-  }
-
-  function isUndefined(object) {
-    return typeof object === "undefined";
-  }
-
-  extend(Object, {
-    extend:        extend,
-    inspect:       inspect,
-    toJSON:        NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
-    toQueryString: toQueryString,
-    toHTML:        toHTML,
-    keys:          Object.keys || keys,
-    values:        values,
-    clone:         clone,
-    isElement:     isElement,
-    isArray:       isArray,
-    isHash:        isHash,
-    isFunction:    isFunction,
-    isString:      isString,
-    isNumber:      isNumber,
-    isDate:        isDate,
-    isUndefined:   isUndefined
-  });
-})();
-Object.extend(Function.prototype, (function() {
-  var slice = Array.prototype.slice;
-
-  function update(array, args) {
-    var arrayLength = array.length, length = args.length;
-    while (length--) array[arrayLength + length] = args[length];
-    return array;
-  }
-
-  function merge(array, args) {
-    array = slice.call(array, 0);
-    return update(array, args);
-  }
-
-  function argumentNames() {
-    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
-      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
-      .replace(/\s+/g, '').split(',');
-    return names.length == 1 && !names[0] ? [] : names;
-  }
-
-  function bind(context) {
-    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
-    var __method = this, args = slice.call(arguments, 1);
-    return function() {
-      var a = merge(args, arguments);
-      return __method.apply(context, a);
-    }
-  }
-
-  function bindAsEventListener(context) {
-    var __method = this, args = slice.call(arguments, 1);
-    return function(event) {
-      var a = update([event || window.event], args);
-      return __method.apply(context, a);
-    }
-  }
-
-  function curry() {
-    if (!arguments.length) return this;
-    var __method = this, args = slice.call(arguments, 0);
-    return function() {
-      var a = merge(args, arguments);
-      return __method.apply(this, a);
-    }
-  }
-
-  function delay(timeout) {
-    var __method = this, args = slice.call(arguments, 1);
-    timeout = timeout * 1000;
-    return window.setTimeout(function() {
-      return __method.apply(__method, args);
-    }, timeout);
-  }
-
-  function defer() {
-    var args = update([0.01], arguments);
-    return this.delay.apply(this, args);
-  }
-
-  function wrap(wrapper) {
-    var __method = this;
-    return function() {
-      var a = update([__method.bind(this)], arguments);
-      return wrapper.apply(this, a);
-    }
-  }
-
-  function methodize() {
-    if (this._methodized) return this._methodized;
-    var __method = this;
-    return this._methodized = function() {
-      var a = update([this], arguments);
-      return __method.apply(null, a);
-    };
-  }
-
-  return {
-    argumentNames:       argumentNames,
-    bind:                bind,
-    bindAsEventListener: bindAsEventListener,
-    curry:               curry,
-    delay:               delay,
-    defer:               defer,
-    wrap:                wrap,
-    methodize:           methodize
-  }
-})());
-
-
-
-(function(proto) {
-
-
-  function toISOString() {
-    return this.getUTCFullYear() + '-' +
-      (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
-      this.getUTCDate().toPaddedString(2) + 'T' +
-      this.getUTCHours().toPaddedString(2) + ':' +
-      this.getUTCMinutes().toPaddedString(2) + ':' +
-      this.getUTCSeconds().toPaddedString(2) + 'Z';
-  }
-
-
-  function toJSON() {
-    return this.toISOString();
-  }
-
-  if (!proto.toISOString) proto.toISOString = toISOString;
-  if (!proto.toJSON) proto.toJSON = toJSON;
-
-})(Date.prototype);
-
-
-RegExp.prototype.match = RegExp.prototype.test;
-
-RegExp.escape = function(str) {
-  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
-};
-var PeriodicalExecuter = Class.create({
-  initialize: function(callback, frequency) {
-    this.callback = callback;
-    this.frequency = frequency;
-    this.currentlyExecuting = false;
-
-    this.registerCallback();
-  },
-
-  registerCallback: function() {
-    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
-  },
-
-  execute: function() {
-    this.callback(this);
-  },
-
-  stop: function() {
-    if (!this.timer) return;
-    clearInterval(this.timer);
-    this.timer = null;
-  },
-
-  onTimerEvent: function() {
-    if (!this.currentlyExecuting) {
-      try {
-        this.currentlyExecuting = true;
-        this.execute();
-        this.currentlyExecuting = false;
-      } catch(e) {
-        this.currentlyExecuting = false;
-        throw e;
-      }
-    }
-  }
-});
-Object.extend(String, {
-  interpret: function(value) {
-    return value == null ? '' : String(value);
-  },
-  specialChar: {
-    '\b': '\\b',
-    '\t': '\\t',
-    '\n': '\\n',
-    '\f': '\\f',
-    '\r': '\\r',
-    '\\': '\\\\'
-  }
-});
-
-Object.extend(String.prototype, (function() {
-  var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
-    typeof JSON.parse === 'function' &&
-    JSON.parse('{"test": true}').test;
-
-  function prepareReplacement(replacement) {
-    if (Object.isFunction(replacement)) return replacement;
-    var template = new Template(replacement);
-    return function(match) { return template.evaluate(match) };
-  }
-
-  function gsub(pattern, replacement) {
-    var result = '', source = this, match;
-    replacement = prepareReplacement(replacement);
-
-    if (Object.isString(pattern))
-      pattern = RegExp.escape(pattern);
-
-    if (!(pattern.length || pattern.source)) {
-      replacement = replacement('');
-      return replacement + source.split('').join(replacement) + replacement;
-    }
-
-    while (source.length > 0) {
-      if (match = source.match(pattern)) {
-        result += source.slice(0, match.index);
-        result += String.interpret(replacement(match));
-        source  = source.slice(match.index + match[0].length);
-      } else {
-        result += source, source = '';
-      }
-    }
-    return result;
-  }
-
-  function sub(pattern, replacement, count) {
-    replacement = prepareReplacement(replacement);
-    count = Object.isUndefined(count) ? 1 : count;
-
-    return this.gsub(pattern, function(match) {
-      if (--count < 0) return match[0];
-      return replacement(match);
-    });
-  }
-
-  function scan(pattern, iterator) {
-    this.gsub(pattern, iterator);
-    return String(this);
-  }
-
-  function truncate(length, truncation) {
-    length = length || 30;
-    truncation = Object.isUndefined(truncation) ? '...' : truncation;
-    return this.length > length ?
-      this.slice(0, length - truncation.length) + truncation : String(this);
-  }
-
-  function strip() {
-    return this.replace(/^\s+/, '').replace(/\s+$/, '');
-  }
-
-  function stripTags() {
-    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
-  }
-
-  function stripScripts() {
-    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
-  }
-
-  function extractScripts() {
-    var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
-        matchOne = new RegExp(Prototype.ScriptFragment, 'im');
-    return (this.match(matchAll) || []).map(function(scriptTag) {
-      return (scriptTag.match(matchOne) || ['', ''])[1];
-    });
-  }
-
-  function evalScripts() {
-    return this.extractScripts().map(function(script) { return eval(script) });
-  }
-
-  function escapeHTML() {
-    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
-  }
-
-  function unescapeHTML() {
-    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
-  }
-
-
-  function toQueryParams(separator) {
-    var match = this.strip().match(/([^?#]*)(#.*)?$/);
-    if (!match) return { };
-
-    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
-      if ((pair = pair.split('='))[0]) {
-        var key = decodeURIComponent(pair.shift()),
-            value = pair.length > 1 ? pair.join('=') : pair[0];
-
-        if (value != undefined) value = decodeURIComponent(value);
-
-        if (key in hash) {
-          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
-          hash[key].push(value);
-        }
-        else hash[key] = value;
-      }
-      return hash;
-    });
-  }
-
-  function toArray() {
-    return this.split('');
-  }
-
-  function succ() {
-    return this.slice(0, this.length - 1) +
-      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
-  }
-
-  function times(count) {
-    return count < 1 ? '' : new Array(count + 1).join(this);
-  }
-
-  function camelize() {
-    return this.replace(/-+(.)?/g, function(match, chr) {
-      return chr ? chr.toUpperCase() : '';
-    });
-  }
-
-  function capitalize() {
-    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
-  }
-
-  function underscore() {
-    return this.replace(/::/g, '/')
-               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
-               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
-               .replace(/-/g, '_')
-               .toLowerCase();
-  }
-
-  function dasherize() {
-    return this.replace(/_/g, '-');
-  }
-
-  function inspect(useDoubleQuotes) {
-    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
-      if (character in String.specialChar) {
-        return String.specialChar[character];
-      }
-      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
-    });
-    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
-    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
-  }
-
-  function unfilterJSON(filter) {
-    return this.replace(filter || Prototype.JSONFilter, '$1');
-  }
-
-  function isJSON() {
-    var str = this;
-    if (str.blank()) return false;
-    str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
-    str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
-    str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
-    return (/^[\],:{}\s]*$/).test(str);
-  }
-
-  function evalJSON(sanitize) {
-    var json = this.unfilterJSON(),
-        cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
-    if (cx.test(json)) {
-      json = json.replace(cx, function (a) {
-        return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
-      });
-    }
-    try {
-      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
-    } catch (e) { }
-    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
-  }
-
-  function parseJSON() {
-    var json = this.unfilterJSON();
-    return JSON.parse(json);
-  }
-
-  function include(pattern) {
-    return this.indexOf(pattern) > -1;
-  }
-
-  function startsWith(pattern) {
-    return this.lastIndexOf(pattern, 0) === 0;
-  }
-
-  function endsWith(pattern) {
-    var d = this.length - pattern.length;
-    return d >= 0 && this.indexOf(pattern, d) === d;
-  }
-
-  function empty() {
-    return this == '';
-  }
-
-  function blank() {
-    return /^\s*$/.test(this);
-  }
-
-  function interpolate(object, pattern) {
-    return new Template(this, pattern).evaluate(object);
-  }
-
-  return {
-    gsub:           gsub,
-    sub:            sub,
-    scan:           scan,
-    truncate:       truncate,
-    strip:          String.prototype.trim || strip,
-    stripTags:      stripTags,
-    stripScripts:   stripScripts,
-    extractScripts: extractScripts,
-    evalScripts:    evalScripts,
-    escapeHTML:     escapeHTML,
-    unescapeHTML:   unescapeHTML,
-    toQueryParams:  toQueryParams,
-    parseQuery:     toQueryParams,
-    toArray:        toArray,
-    succ:           succ,
-    times:          times,
-    camelize:       camelize,
-    capitalize:     capitalize,
-    underscore:     underscore,
-    dasherize:      dasherize,
-    inspect:        inspect,
-    unfilterJSON:   unfilterJSON,
-    isJSON:         isJSON,
-    evalJSON:       NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
-    include:        include,
-    startsWith:     startsWith,
-    endsWith:       endsWith,
-    empty:          empty,
-    blank:          blank,
-    interpolate:    interpolate
-  };
-})());
-
-var Template = Class.create({
-  initialize: function(template, pattern) {
-    this.template = template.toString();
-    this.pattern = pattern || Template.Pattern;
-  },
-
-  evaluate: function(object) {
-    if (object && Object.isFunction(object.toTemplateReplacements))
-      object = object.toTemplateReplacements();
-
-    return this.template.gsub(this.pattern, function(match) {
-      if (object == null) return (match[1] + '');
-
-      var before = match[1] || '';
-      if (before == '\\') return match[2];
-
-      var ctx = object, expr = match[3],
-          pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
-
-      match = pattern.exec(expr);
-      if (match == null) return before;
-
-      while (match != null) {
-        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
-        ctx = ctx[comp];
-        if (null == ctx || '' == match[3]) break;
-        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
-        match = pattern.exec(expr);
-      }
-
-      return before + String.interpret(ctx);
-    });
-  }
-});
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
-
-var $break = { };
-
-var Enumerable = (function() {
-  function each(iterator, context) {
-    var index = 0;
-    try {
-      this._each(function(value) {
-        iterator.call(context, value, index++);
-      });
-    } catch (e) {
-      if (e != $break) throw e;
-    }
-    return this;
-  }
-
-  function eachSlice(number, iterator, context) {
-    var index = -number, slices = [], array = this.toArray();
-    if (number < 1) return array;
-    while ((index += number) < array.length)
-      slices.push(array.slice(index, index+number));
-    return slices.collect(iterator, context);
-  }
-
-  function all(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result = true;
-    this.each(function(value, index) {
-      result = result && !!iterator.call(context, value, index);
-      if (!result) throw $break;
-    });
-    return result;
-  }
-
-  function any(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result = false;
-    this.each(function(value, index) {
-      if (result = !!iterator.call(context, value, index))
-        throw $break;
-    });
-    return result;
-  }
-
-  function collect(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var results = [];
-    this.each(function(value, index) {
-      results.push(iterator.call(context, value, index));
-    });
-    return results;
-  }
-
-  function detect(iterator, context) {
-    var result;
-    this.each(function(value, index) {
-      if (iterator.call(context, value, index)) {
-        result = value;
-        throw $break;
-      }
-    });
-    return result;
-  }
-
-  function findAll(iterator, context) {
-    var results = [];
-    this.each(function(value, index) {
-      if (iterator.call(context, value, index))
-        results.push(value);
-    });
-    return results;
-  }
-
-  function grep(filter, iterator, context) {
-    iterator = iterator || Prototype.K;
-    var results = [];
-
-    if (Object.isString(filter))
-      filter = new RegExp(RegExp.escape(filter));
-
-    this.each(function(value, index) {
-      if (filter.match(value))
-        results.push(iterator.call(context, value, index));
-    });
-    return results;
-  }
-
-  function include(object) {
-    if (Object.isFunction(this.indexOf))
-      if (this.indexOf(object) != -1) return true;
-
-    var found = false;
-    this.each(function(value) {
-      if (value == object) {
-        found = true;
-        throw $break;
-      }
-    });
-    return found;
-  }
-
-  function inGroupsOf(number, fillWith) {
-    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
-    return this.eachSlice(number, function(slice) {
-      while(slice.length < number) slice.push(fillWith);
-      return slice;
-    });
-  }
-
-  function inject(memo, iterator, context) {
-    this.each(function(value, index) {
-      memo = iterator.call(context, memo, value, index);
-    });
-    return memo;
-  }
-
-  function invoke(method) {
-    var args = $A(arguments).slice(1);
-    return this.map(function(value) {
-      return value[method].apply(value, args);
-    });
-  }
-
-  function max(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result;
-    this.each(function(value, index) {
-      value = iterator.call(context, value, index);
-      if (result == null || value >= result)
-        result = value;
-    });
-    return result;
-  }
-
-  function min(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var result;
-    this.each(function(value, index) {
-      value = iterator.call(context, value, index);
-      if (result == null || value < result)
-        result = value;
-    });
-    return result;
-  }
-
-  function partition(iterator, context) {
-    iterator = iterator || Prototype.K;
-    var trues = [], falses = [];
-    this.each(function(value, index) {
-      (iterator.call(context, value, index) ?
-        trues : falses).push(value);
-    });
-    return [trues, falses];
-  }
-
-  function pluck(property) {
-    var results = [];
-    this.each(function(value) {
-      results.push(value[property]);
-    });
-    return results;
-  }
-
-  function reject(iterator, context) {
-    var results = [];
-    this.each(function(value, index) {
-      if (!iterator.call(context, value, index))
-        results.push(value);
-    });
-    return results;
-  }
-
-  function sortBy(iterator, context) {
-    return this.map(function(value, index) {
-      return {
-        value: value,
-        criteria: iterator.call(context, value, index)
-      };
-    }).sort(function(left, right) {
-      var a = left.criteria, b = right.criteria;
-      return a < b ? -1 : a > b ? 1 : 0;
-    }).pluck('value');
-  }
-
-  function toArray() {
-    return this.map();
-  }
-
-  function zip() {
-    var iterator = Prototype.K, args = $A(arguments);
-    if (Object.isFunction(args.last()))
-      iterator = args.pop();
-
-    var collections = [this].concat(args).map($A);
-    return this.map(function(value, index) {
-      return iterator(collections.pluck(index));
-    });
-  }
-
-  function size() {
-    return this.toArray().length;
-  }
-
-  function inspect() {
-    return '#<Enumerable:' + this.toArray().inspect() + '>';
-  }
-
-
-
-
-
-
-
-
-
-  return {
-    each:       each,
-    eachSlice:  eachSlice,
-    all:        all,
-    every:      all,
-    any:        any,
-    some:       any,
-    collect:    collect,
-    map:        collect,
-    detect:     detect,
-    findAll:    findAll,
-    select:     findAll,
-    filter:     findAll,
-    grep:       grep,
-    include:    include,
-    member:     include,
-    inGroupsOf: inGroupsOf,
-    inject:     inject,
-    invoke:     invoke,
-    max:        max,
-    min:        min,
-    partition:  partition,
-    pluck:      pluck,
-    reject:     reject,
-    sortBy:     sortBy,
-    toArray:    toArray,
-    entries:    toArray,
-    zip:        zip,
-    size:       size,
-    inspect:    inspect,
-    find:       detect
-  };
-})();
-
-function $A(iterable) {
-  if (!iterable) return [];
-  if ('toArray' in Object(iterable)) return iterable.toArray();
-  var length = iterable.length || 0, results = new Array(length);
-  while (length--) results[length] = iterable[length];
-  return results;
-}
-
-
-function $w(string) {
-  if (!Object.isString(string)) return [];
-  string = string.strip();
-  return string ? string.split(/\s+/) : [];
-}
-
-Array.from = $A;
-
-
-(function() {
-  var arrayProto = Array.prototype,
-      slice = arrayProto.slice,
-      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
-
-  function each(iterator, context) {
-    for (var i = 0, length = this.length >>> 0; i < length; i++) {
-      if (i in this) iterator.call(context, this[i], i, this);
-    }
-  }
-  if (!_each) _each = each;
-
-  function clear() {
-    this.length = 0;
-    return this;
-  }
-
-  function first() {
-    return this[0];
-  }
-
-  function last() {
-    return this[this.length - 1];
-  }
-
-  function compact() {
-    return this.select(function(value) {
-      return value != null;
-    });
-  }
-
-  function flatten() {
-    return this.inject([], function(array, value) {
-      if (Object.isArray(value))
-        return array.concat(value.flatten());
-      array.push(value);
-      return array;
-    });
-  }
-
-  function without() {
-    var values = slice.call(arguments, 0);
-    return this.select(function(value) {
-      return !values.include(value);
-    });
-  }
-
-  function reverse(inline) {
-    return (inline === false ? this.toArray() : this)._reverse();
-  }
-
-  function uniq(sorted) {
-    return this.inject([], function(array, value, index) {
-      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
-        array.push(value);
-      return array;
-    });
-  }
-
-  function intersect(array) {
-    return this.uniq().findAll(function(item) {
-      return array.detect(function(value) { return item === value });
-    });
-  }
-
-
-  function clone() {
-    return slice.call(this, 0);
-  }
-
-  function size() {
-    return this.length;
-  }
-
-  function inspect() {
-    return '[' + this.map(Object.inspect).join(', ') + ']';
-  }
-
-  function indexOf(item, i) {
-    i || (i = 0);
-    var length = this.length;
-    if (i < 0) i = length + i;
-    for (; i < length; i++)
-      if (this[i] === item) return i;
-    return -1;
-  }
-
-  function lastIndexOf(item, i) {
-    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
-    var n = this.slice(0, i).reverse().indexOf(item);
-    return (n < 0) ? n : i - n - 1;
-  }
-
-  function concat() {
-    var array = slice.call(this, 0), item;
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      item = arguments[i];
-      if (Object.isArray(item) && !('callee' in item)) {
-        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
-          array.push(item[j]);
-      } else {
-        array.push(item);
-      }
-    }
-    return array;
-  }
-
-  Object.extend(arrayProto, Enumerable);
-
-  if (!arrayProto._reverse)
-    arrayProto._reverse = arrayProto.reverse;
-
-  Object.extend(arrayProto, {
-    _each:     _each,
-    clear:     clear,
-    first:     first,
-    last:      last,
-    compact:   compact,
-    flatten:   flatten,
-    without:   without,
-    reverse:   reverse,
-    uniq:      uniq,
-    intersect: intersect,
-    clone:     clone,
-    toArray:   clone,
-    size:      size,
-    inspect:   inspect
-  });
-
-  var CONCAT_ARGUMENTS_BUGGY = (function() {
-    return [].concat(arguments)[0][0] !== 1;
-  })(1,2)
-
-  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
-
-  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
-  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
-})();
-function $H(object) {
-  return new Hash(object);
-};
-
-var Hash = Class.create(Enumerable, (function() {
-  function initialize(object) {
-    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
-  }
-
-
-  function _each(iterator) {
-    for (var key in this._object) {
-      var value = this._object[key], pair = [key, value];
-      pair.key = key;
-      pair.value = value;
-      iterator(pair);
-    }
-  }
-
-  function set(key, value) {
-    return this._object[key] = value;
-  }
-
-  function get(key) {
-    if (this._object[key] !== Object.prototype[key])
-      return this._object[key];
-  }
-
-  function unset(key) {
-    var value = this._object[key];
-    delete this._object[key];
-    return value;
-  }
-
-  function toObject() {
-    return Object.clone(this._object);
-  }
-
-
-
-  function keys() {
-    return this.pluck('key');
-  }
-
-  function values() {
-    return this.pluck('value');
-  }
-
-  function index(value) {
-    var match = this.detect(function(pair) {
-      return pair.value === value;
-    });
-    return match && match.key;
-  }
-
-  function merge(object) {
-    return this.clone().update(object);
-  }
-
-  function update(object) {
-    return new Hash(object).inject(this, function(result, pair) {
-      result.set(pair.key, pair.value);
-      return result;
-    });
-  }
-
-  function toQueryPair(key, value) {
-    if (Object.isUndefined(value)) return key;
-    return key + '=' + encodeURIComponent(String.interpret(value));
-  }
-
-  function toQueryString() {
-    return this.inject([], function(results, pair) {
-      var key = encodeURIComponent(pair.key), values = pair.value;
-
-      if (values && typeof values == 'object') {
-        if (Object.isArray(values)) {
-          var queryValues = [];
-          for (var i = 0, len = values.length, value; i < len; i++) {
-            value = values[i];
-            queryValues.push(toQueryPair(key, value));
-          }
-          return results.concat(queryValues);
-        }
-      } else results.push(toQueryPair(key, values));
-      return results;
-    }).join('&');
-  }
-
-  function inspect() {
-    return '#<Hash:{' + this.map(function(pair) {
-      return pair.map(Object.inspect).join(': ');
-    }).join(', ') + '}>';
-  }
-
-  function clone() {
-    return new Hash(this);
-  }
-
-  return {
-    initialize:             initialize,
-    _each:                  _each,
-    set:                    set,
-    get:                    get,
-    unset:                  unset,
-    toObject:               toObject,
-    toTemplateReplacements: toObject,
-    keys:                   keys,
-    values:                 values,
-    index:                  index,
-    merge:                  merge,
-    update:                 update,
-    toQueryString:          toQueryString,
-    inspect:                inspect,
-    toJSON:                 toObject,
-    clone:                  clone
-  };
-})());
-
-Hash.from = $H;
-Object.extend(Number.prototype, (function() {
-  function toColorPart() {
-    return this.toPaddedString(2, 16);
-  }
-
-  function succ() {
-    return this + 1;
-  }
-
-  function times(iterator, context) {
-    $R(0, this, true).each(iterator, context);
-    return this;
-  }
-
-  function toPaddedString(length, radix) {
-    var string = this.toString(radix || 10);
-    return '0'.times(length - string.length) + string;
-  }
-
-  function abs() {
-    return Math.abs(this);
-  }
-
-  function round() {
-    return Math.round(this);
-  }
-
-  function ceil() {
-    return Math.ceil(this);
-  }
-
-  function floor() {
-    return Math.floor(this);
-  }
-
-  return {
-    toColorPart:    toColorPart,
-    succ:           succ,
-    times:          times,
-    toPaddedString: toPaddedString,
-    abs:            abs,
-    round:          round,
-    ceil:           ceil,
-    floor:          floor
-  };
-})());
-
-function $R(start, end, exclusive) {
-  return new ObjectRange(start, end, exclusive);
-}
-
-var ObjectRange = Class.create(Enumerable, (function() {
-  function initialize(start, end, exclusive) {
-    this.start = start;
-    this.end = end;
-    this.exclusive = exclusive;
-  }
-
-  function _each(iterator) {
-    var value = this.start;
-    while (this.include(value)) {
-      iterator(value);
-      value = value.succ();
-    }
-  }
-
-  function include(value) {
-    if (value < this.start)
-      return false;
-    if (this.exclusive)
-      return value < this.end;
-    return value <= this.end;
-  }
-
-  return {
-    initialize: initialize,
-    _each:      _each,
-    include:    include
-  };
-})());
-
-
-
-var Ajax = {
-  getTransport: function() {
-    return Try.these(
-      function() {return new XMLHttpRequest()},
-      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
-      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
-    ) || false;
-  },
-
-  activeRequestCount: 0
-};
-
-Ajax.Responders = {
-  responders: [],
-
-  _each: function(iterator) {
-    this.responders._each(iterator);
-  },
-
-  register: function(responder) {
-    if (!this.include(responder))
-      this.responders.push(responder);
-  },
-
-  unregister: function(responder) {
-    this.responders = this.responders.without(responder);
-  },
-
-  dispatch: function(callback, request, transport, json) {
-    this.each(function(responder) {
-      if (Object.isFunction(responder[callback])) {
-        try {
-          responder[callback].apply(responder, [request, transport, json]);
-        } catch (e) { }
-      }
-    });
-  }
-};
-
-Object.extend(Ajax.Responders, Enumerable);
-
-Ajax.Responders.register({
-  onCreate:   function() { Ajax.activeRequestCount++ },
-  onComplete: function() { Ajax.activeRequestCount-- }
-});
-Ajax.Base = Class.create({
-  initialize: function(options) {
-    this.options = {
-      method:       'post',
-      asynchronous: true,
-      contentType:  'application/x-www-form-urlencoded',
-      encoding:     'UTF-8',
-      parameters:   '',
-      evalJSON:     true,
-      evalJS:       true
-    };
-    Object.extend(this.options, options || { });
-
-    this.options.method = this.options.method.toLowerCase();
-
-    if (Object.isHash(this.options.parameters))
-      this.options.parameters = this.options.parameters.toObject();
-  }
-});
-Ajax.Request = Class.create(Ajax.Base, {
-  _complete: false,
-
-  initialize: function($super, url, options) {
-    $super(options);
-    this.transport = Ajax.getTransport();
-    this.request(url);
-  },
-
-  request: function(url) {
-    this.url = url;
-    this.method = this.options.method;
-    var params = Object.isString(this.options.parameters) ?
-          this.options.parameters :
-          Object.toQueryString(this.options.parameters);
-
-    if (!['get', 'post'].include(this.method)) {
-      params += (params ? '&' : '') + "_method=" + this.method;
-      this.method = 'post';
-    }
-
-    if (params && this.method === 'get') {
-      this.url += (this.url.include('?') ? '&' : '?') + params;
-    }
-
-    this.parameters = params.toQueryParams();
-
-    try {
-      var response = new Ajax.Response(this);
-      if (this.options.onCreate) this.options.onCreate(response);
-      Ajax.Responders.dispatch('onCreate', this, response);
-
-      this.transport.open(this.method.toUpperCase(), this.url,
-        this.options.asynchronous);
-
-      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
-
-      this.transport.onreadystatechange = this.onStateChange.bind(this);
-      this.setRequestHeaders();
-
-      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
-      this.transport.send(this.body);
-
-      /* Force Firefox to handle ready state 4 for synchronous requests */
-      if (!this.options.asynchronous && this.transport.overrideMimeType)
-        this.onStateChange();
-
-    }
-    catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  onStateChange: function() {
-    var readyState = this.transport.readyState;
-    if (readyState > 1 && !((readyState == 4) && this._complete))
-      this.respondToReadyState(this.transport.readyState);
-  },
-
-  setRequestHeaders: function() {
-    var headers = {
-      'X-Requested-With': 'XMLHttpRequest',
-      'X-Prototype-Version': Prototype.Version,
-      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
-    };
-
-    if (this.method == 'post') {
-      headers['Content-type'] = this.options.contentType +
-        (this.options.encoding ? '; charset=' + this.options.encoding : '');
-
-      /* Force "Connection: close" for older Mozilla browsers to work
-       * around a bug where XMLHttpRequest sends an incorrect
-       * Content-length header. See Mozilla Bugzilla #246651.
-       */
-      if (this.transport.overrideMimeType &&
-          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
-            headers['Connection'] = 'close';
-    }
-
-    if (typeof this.options.requestHeaders == 'object') {
-      var extras = this.options.requestHeaders;
-
-      if (Object.isFunction(extras.push))
-        for (var i = 0, length = extras.length; i < length; i += 2)
-          headers[extras[i]] = extras[i+1];
-      else
-        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
-    }
-
-    for (var name in headers)
-      this.transport.setRequestHeader(name, headers[name]);
-  },
-
-  success: function() {
-    var status = this.getStatus();
-    return !status || (status >= 200 && status < 300) || status == 304;
-  },
-
-  getStatus: function() {
-    try {
-      if (this.transport.status === 1223) return 204;
-      return this.transport.status || 0;
-    } catch (e) { return 0 }
-  },
-
-  respondToReadyState: function(readyState) {
-    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
-
-    if (state == 'Complete') {
-      try {
-        this._complete = true;
-        (this.options['on' + response.status]
-         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
-         || Prototype.emptyFunction)(response, response.headerJSON);
-      } catch (e) {
-        this.dispatchException(e);
-      }
-
-      var contentType = response.getHeader('Content-type');
-      if (this.options.evalJS == 'force'
-          || (this.options.evalJS && this.isSameOrigin() && contentType
-          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
-        this.evalResponse();
-    }
-
-    try {
-      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
-      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
-    } catch (e) {
-      this.dispatchException(e);
-    }
-
-    if (state == 'Complete') {
-      this.transport.onreadystatechange = Prototype.emptyFunction;
-    }
-  },
-
-  isSameOrigin: function() {
-    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
-    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
-      protocol: location.protocol,
-      domain: document.domain,
-      port: location.port ? ':' + location.port : ''
-    }));
-  },
-
-  getHeader: function(name) {
-    try {
-      return this.transport.getResponseHeader(name) || null;
-    } catch (e) { return null; }
-  },
-
-  evalResponse: function() {
-    try {
-      return eval((this.transport.responseText || '').unfilterJSON());
-    } catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  dispatchException: function(exception) {
-    (this.options.onException || Prototype.emptyFunction)(this, exception);
-    Ajax.Responders.dispatch('onException', this, exception);
-  }
-});
-
-Ajax.Request.Events =
-  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-
-
-
-
-
-
-
-Ajax.Response = Class.create({
-  initialize: function(request){
-    this.request = request;
-    var transport  = this.transport  = request.transport,
-        readyState = this.readyState = transport.readyState;
-
-    if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
-      this.status       = this.getStatus();
-      this.statusText   = this.getStatusText();
-      this.responseText = String.interpret(transport.responseText);
-      this.headerJSON   = this._getHeaderJSON();
-    }
-
-    if (readyState == 4) {
-      var xml = transport.responseXML;
-      this.responseXML  = Object.isUndefined(xml) ? null : xml;
-      this.responseJSON = this._getResponseJSON();
-    }
-  },
-
-  status:      0,
-
-  statusText: '',
-
-  getStatus: Ajax.Request.prototype.getStatus,
-
-  getStatusText: function() {
-    try {
-      return this.transport.statusText || '';
-    } catch (e) { return '' }
-  },
-
-  getHeader: Ajax.Request.prototype.getHeader,
-
-  getAllHeaders: function() {
-    try {
-      return this.getAllResponseHeaders();
-    } catch (e) { return null }
-  },
-
-  getResponseHeader: function(name) {
-    return this.transport.getResponseHeader(name);
-  },
-
-  getAllResponseHeaders: function() {
-    return this.transport.getAllResponseHeaders();
-  },
-
-  _getHeaderJSON: function() {
-    var json = this.getHeader('X-JSON');
-    if (!json) return null;
-    json = decodeURIComponent(escape(json));
-    try {
-      return json.evalJSON(this.request.options.sanitizeJSON ||
-        !this.request.isSameOrigin());
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  },
-
-  _getResponseJSON: function() {
-    var options = this.request.options;
-    if (!options.evalJSON || (options.evalJSON != 'force' &&
-      !(this.getHeader('Content-type') || '').include('application/json')) ||
-        this.responseText.blank())
-          return null;
-    try {
-      return this.responseText.evalJSON(options.sanitizeJSON ||
-        !this.request.isSameOrigin());
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  }
-});
-
-Ajax.Updater = Class.create(Ajax.Request, {
-  initialize: function($super, container, url, options) {
-    this.container = {
-      success: (container.success || container),
-      failure: (container.failure || (container.success ? null : container))
-    };
-
-    options = Object.clone(options);
-    var onComplete = options.onComplete;
-    options.onComplete = (function(response, json) {
-      this.updateContent(response.responseText);
-      if (Object.isFunction(onComplete)) onComplete(response, json);
-    }).bind(this);
-
-    $super(url, options);
-  },
-
-  updateContent: function(responseText) {
-    var receiver = this.container[this.success() ? 'success' : 'failure'],
-        options = this.options;
-
-    if (!options.evalScripts) responseText = responseText.stripScripts();
-
-    if (receiver = $(receiver)) {
-      if (options.insertion) {
-        if (Object.isString(options.insertion)) {
-          var insertion = { }; insertion[options.insertion] = responseText;
-          receiver.insert(insertion);
-        }
-        else options.insertion(receiver, responseText);
-      }
-      else receiver.update(responseText);
-    }
-  }
-});
-
-Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
-  initialize: function($super, container, url, options) {
-    $super(options);
-    this.onComplete = this.options.onComplete;
-
-    this.frequency = (this.options.frequency || 2);
-    this.decay = (this.options.decay || 1);
-
-    this.updater = { };
-    this.container = container;
-    this.url = url;
-
-    this.start();
-  },
-
-  start: function() {
-    this.options.onComplete = this.updateComplete.bind(this);
-    this.onTimerEvent();
-  },
-
-  stop: function() {
-    this.updater.options.onComplete = undefined;
-    clearTimeout(this.timer);
-    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
-  },
-
-  updateComplete: function(response) {
-    if (this.options.decay) {
-      this.decay = (response.responseText == this.lastText ?
-        this.decay * this.options.decay : 1);
-
-      this.lastText = response.responseText;
-    }
-    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
-  },
-
-  onTimerEvent: function() {
-    this.updater = new Ajax.Updater(this.container, this.url, this.options);
-  }
-});
-
-
-function $(element) {
-  if (arguments.length > 1) {
-    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
-      elements.push($(arguments[i]));
-    return elements;
-  }
-  if (Object.isString(element))
-    element = document.getElementById(element);
-  return Element.extend(element);
-}
-
-if (Prototype.BrowserFeatures.XPath) {
-  document._getElementsByXPath = function(expression, parentElement) {
-    var results = [];
-    var query = document.evaluate(expression, $(parentElement) || document,
-      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
-    for (var i = 0, length = query.snapshotLength; i < length; i++)
-      results.push(Element.extend(query.snapshotItem(i)));
-    return results;
-  };
-}
-
-/*--------------------------------------------------------------------------*/
-
-if (!Node) var Node = { };
-
-if (!Node.ELEMENT_NODE) {
-  Object.extend(Node, {
-    ELEMENT_NODE: 1,
-    ATTRIBUTE_NODE: 2,
-    TEXT_NODE: 3,
-    CDATA_SECTION_NODE: 4,
-    ENTITY_REFERENCE_NODE: 5,
-    ENTITY_NODE: 6,
-    PROCESSING_INSTRUCTION_NODE: 7,
-    COMMENT_NODE: 8,
-    DOCUMENT_NODE: 9,
-    DOCUMENT_TYPE_NODE: 10,
-    DOCUMENT_FRAGMENT_NODE: 11,
-    NOTATION_NODE: 12
-  });
-}
-
-
-
-(function(global) {
-  function shouldUseCache(tagName, attributes) {
-    if (tagName === 'select') return false;
-    if ('type' in attributes) return false;
-    return true;
-  }
-
-  var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
-    try {
-      var el = document.createElement('<input name="x">');
-      return el.tagName.toLowerCase() === 'input' && el.name === 'x';
-    }
-    catch(err) {
-      return false;
-    }
-  })();
-
-  var element = global.Element;
-
-  global.Element = function(tagName, attributes) {
-    attributes = attributes || { };
-    tagName = tagName.toLowerCase();
-    var cache = Element.cache;
-
-    if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
-      tagName = '<' + tagName + ' name="' + attributes.name + '">';
-      delete attributes.name;
-      return Element.writeAttribute(document.createElement(tagName), attributes);
-    }
-
-    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
-
-    var node = shouldUseCache(tagName, attributes) ?
-     cache[tagName].cloneNode(false) : document.createElement(tagName);
-
-    return Element.writeAttribute(node, attributes);
-  };
-
-  Object.extend(global.Element, element || { });
-  if (element) global.Element.prototype = element.prototype;
-
-})(this);
-
-Element.idCounter = 1;
-Element.cache = { };
-
-Element._purgeElement = function(element) {
-  var uid = element._prototypeUID;
-  if (uid) {
-    Element.stopObserving(element);
-    element._prototypeUID = void 0;
-    delete Element.Storage[uid];
-  }
-}
-
-Element.Methods = {
-  visible: function(element) {
-    return $(element).style.display != 'none';
-  },
-
-  toggle: function(element) {
-    element = $(element);
-    Element[Element.visible(element) ? 'hide' : 'show'](element);
-    return element;
-  },
-
-  hide: function(element) {
-    element = $(element);
-    element.style.display = 'none';
-    return element;
-  },
-
-  show: function(element) {
-    element = $(element);
-    element.style.display = '';
-    return element;
-  },
-
-  remove: function(element) {
-    element = $(element);
-    element.parentNode.removeChild(element);
-    return element;
-  },
-
-  update: (function(){
-
-    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
-      var el = document.createElement("select"),
-          isBuggy = true;
-      el.innerHTML = "<option value=\"test\">test</option>";
-      if (el.options && el.options[0]) {
-        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
-      }
-      el = null;
-      return isBuggy;
-    })();
-
-    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
-      try {
-        var el = document.createElement("table");
-        if (el && el.tBodies) {
-          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
-          var isBuggy = typeof el.tBodies[0] == "undefined";
-          el = null;
-          return isBuggy;
-        }
-      } catch (e) {
-        return true;
-      }
-    })();
-
-    var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
-      try {
-        var el = document.createElement('div');
-        el.innerHTML = "<link>";
-        var isBuggy = (el.childNodes.length === 0);
-        el = null;
-        return isBuggy;
-      } catch(e) {
-        return true;
-      }
-    })();
-
-    var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
-     TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;
-
-    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
-      var s = document.createElement("script"),
-          isBuggy = false;
-      try {
-        s.appendChild(document.createTextNode(""));
-        isBuggy = !s.firstChild ||
-          s.firstChild && s.firstChild.nodeType !== 3;
-      } catch (e) {
-        isBuggy = true;
-      }
-      s = null;
-      return isBuggy;
-    })();
-
-
-    function update(element, content) {
-      element = $(element);
-      var purgeElement = Element._purgeElement;
-
-      var descendants = element.getElementsByTagName('*'),
-       i = descendants.length;
-      while (i--) purgeElement(descendants[i]);
-
-      if (content && content.toElement)
-        content = content.toElement();
-
-      if (Object.isElement(content))
-        return element.update().insert(content);
-
-      content = Object.toHTML(content);
-
-      var tagName = element.tagName.toUpperCase();
-
-      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
-        element.text = content;
-        return element;
-      }
-
-      if (ANY_INNERHTML_BUGGY) {
-        if (tagName in Element._insertionTranslations.tags) {
-          while (element.firstChild) {
-            element.removeChild(element.firstChild);
-          }
-          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
-            .each(function(node) {
-              element.appendChild(node)
-            });
-        } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
-          while (element.firstChild) {
-            element.removeChild(element.firstChild);
-          }
-          var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true);
-          nodes.each(function(node) { element.appendChild(node) });
-        }
-        else {
-          element.innerHTML = content.stripScripts();
-        }
-      }
-      else {
-        element.innerHTML = content.stripScripts();
-      }
-
-      content.evalScripts.bind(content).defer();
-      return element;
-    }
-
-    return update;
-  })(),
-
-  replace: function(element, content) {
-    element = $(element);
-    if (content && content.toElement) content = content.toElement();
-    else if (!Object.isElement(content)) {
-      content = Object.toHTML(content);
-      var range = element.ownerDocument.createRange();
-      range.selectNode(element);
-      content.evalScripts.bind(content).defer();
-      content = range.createContextualFragment(content.stripScripts());
-    }
-    element.parentNode.replaceChild(content, element);
-    return element;
-  },
-
-  insert: function(element, insertions) {
-    element = $(element);
-
-    if (Object.isString(insertions) || Object.isNumber(insertions) ||
-        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
-          insertions = {bottom:insertions};
-
-    var content, insert, tagName, childNodes;
-
-    for (var position in insertions) {
-      content  = insertions[position];
-      position = position.toLowerCase();
-      insert = Element._insertionTranslations[position];
-
-      if (content && content.toElement) content = content.toElement();
-      if (Object.isElement(content)) {
-        insert(element, content);
-        continue;
-      }
-
-      content = Object.toHTML(content);
-
-      tagName = ((position == 'before' || position == 'after')
-        ? element.parentNode : element).tagName.toUpperCase();
-
-      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
-
-      if (position == 'top' || position == 'after') childNodes.reverse();
-      childNodes.each(insert.curry(element));
-
-      content.evalScripts.bind(content).defer();
-    }
-
-    return element;
-  },
-
-  wrap: function(element, wrapper, attributes) {
-    element = $(element);
-    if (Object.isElement(wrapper))
-      $(wrapper).writeAttribute(attributes || { });
-    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
-    else wrapper = new Element('div', wrapper);
-    if (element.parentNode)
-      element.parentNode.replaceChild(wrapper, element);
-    wrapper.appendChild(element);
-    return wrapper;
-  },
-
-  inspect: function(element) {
-    element = $(element);
-    var result = '<' + element.tagName.toLowerCase();
-    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
-      var property = pair.first(),
-          attribute = pair.last(),
-          value = (element[property] || '').toString();
-      if (value) result += ' ' + attribute + '=' + value.inspect(true);
-    });
-    return result + '>';
-  },
-
-  recursivelyCollect: function(element, property, maximumLength) {
-    element = $(element);
-    maximumLength = maximumLength || -1;
-    var elements = [];
-
-    while (element = element[property]) {
-      if (element.nodeType == 1)
-        elements.push(Element.extend(element));
-      if (elements.length == maximumLength)
-        break;
-    }
-
-    return elements;
-  },
-
-  ancestors: function(element) {
-    return Element.recursivelyCollect(element, 'parentNode');
-  },
-
-  descendants: function(element) {
-    return Element.select(element, "*");
-  },
-
-  firstDescendant: function(element) {
-    element = $(element).firstChild;
-    while (element && element.nodeType != 1) element = element.nextSibling;
-    return $(element);
-  },
-
-  immediateDescendants: function(element) {
-    var results = [], child = $(element).firstChild;
-    while (child) {
-      if (child.nodeType === 1) {
-        results.push(Element.extend(child));
-      }
-      child = child.nextSibling;
-    }
-    return results;
-  },
-
-  previousSiblings: function(element, maximumLength) {
-    return Element.recursivelyCollect(element, 'previousSibling');
-  },
-
-  nextSiblings: function(element) {
-    return Element.recursivelyCollect(element, 'nextSibling');
-  },
-
-  siblings: function(element) {
-    element = $(element);
-    return Element.previousSiblings(element).reverse()
-      .concat(Element.nextSiblings(element));
-  },
-
-  match: function(element, selector) {
-    element = $(element);
-    if (Object.isString(selector))
-      return Prototype.Selector.match(element, selector);
-    return selector.match(element);
-  },
-
-  up: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(element.parentNode);
-    var ancestors = Element.ancestors(element);
-    return Object.isNumber(expression) ? ancestors[expression] :
-      Prototype.Selector.find(ancestors, expression, index);
-  },
-
-  down: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return Element.firstDescendant(element);
-    return Object.isNumber(expression) ? Element.descendants(element)[expression] :
-      Element.select(element, expression)[index || 0];
-  },
-
-  previous: function(element, expression, index) {
-    element = $(element);
-    if (Object.isNumber(expression)) index = expression, expression = false;
-    if (!Object.isNumber(index)) index = 0;
-
-    if (expression) {
-      return Prototype.Selector.find(element.previousSiblings(), expression, index);
-    } else {
-      return element.recursivelyCollect("previousSibling", index + 1)[index];
-    }
-  },
-
-  next: function(element, expression, index) {
-    element = $(element);
-    if (Object.isNumber(expression)) index = expression, expression = false;
-    if (!Object.isNumber(index)) index = 0;
-
-    if (expression) {
-      return Prototype.Selector.find(element.nextSiblings(), expression, index);
-    } else {
-      var maximumLength = Object.isNumber(index) ? index + 1 : 1;
-      return element.recursivelyCollect("nextSibling", index + 1)[index];
-    }
-  },
-
-
-  select: function(element) {
-    element = $(element);
-    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
-    return Prototype.Selector.select(expressions, element);
-  },
-
-  adjacent: function(element) {
-    element = $(element);
-    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
-    return Prototype.Selector.select(expressions, element.parentNode).without(element);
-  },
-
-  identify: function(element) {
-    element = $(element);
-    var id = Element.readAttribute(element, 'id');
-    if (id) return id;
-    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
-    Element.writeAttribute(element, 'id', id);
-    return id;
-  },
-
-  readAttribute: function(element, name) {
-    element = $(element);
-    if (Prototype.Browser.IE) {
-      var t = Element._attributeTranslations.read;
-      if (t.values[name]) return t.values[name](element, name);
-      if (t.names[name]) name = t.names[name];
-      if (name.include(':')) {
-        return (!element.attributes || !element.attributes[name]) ? null :
-         element.attributes[name].value;
-      }
-    }
-    return element.getAttribute(name);
-  },
-
-  writeAttribute: function(element, name, value) {
-    element = $(element);
-    var attributes = { }, t = Element._attributeTranslations.write;
-
-    if (typeof name == 'object') attributes = name;
-    else attributes[name] = Object.isUndefined(value) ? true : value;
-
-    for (var attr in attributes) {
-      name = t.names[attr] || attr;
-      value = attributes[attr];
-      if (t.values[attr]) name = t.values[attr](element, value);
-      if (value === false || value === null)
-        element.removeAttribute(name);
-      else if (value === true)
-        element.setAttribute(name, name);
-      else element.setAttribute(name, value);
-    }
-    return element;
-  },
-
-  getHeight: function(element) {
-    return Element.getDimensions(element).height;
-  },
-
-  getWidth: function(element) {
-    return Element.getDimensions(element).width;
-  },
-
-  classNames: function(element) {
-    return new Element.ClassNames(element);
-  },
-
-  hasClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    var elementClassName = element.className;
-    return (elementClassName.length > 0 && (elementClassName == className ||
-      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
-  },
-
-  addClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    if (!Element.hasClassName(element, className))
-      element.className += (element.className ? ' ' : '') + className;
-    return element;
-  },
-
-  removeClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    element.className = element.className.replace(
-      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
-    return element;
-  },
-
-  toggleClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    return Element[Element.hasClassName(element, className) ?
-      'removeClassName' : 'addClassName'](element, className);
-  },
-
-  cleanWhitespace: function(element) {
-    element = $(element);
-    var node = element.firstChild;
-    while (node) {
-      var nextNode = node.nextSibling;
-      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
-        element.removeChild(node);
-      node = nextNode;
-    }
-    return element;
-  },
-
-  empty: function(element) {
-    return $(element).innerHTML.blank();
-  },
-
-  descendantOf: function(element, ancestor) {
-    element = $(element), ancestor = $(ancestor);
-
-    if (element.compareDocumentPosition)
-      return (element.compareDocumentPosition(ancestor) & 8) === 8;
-
-    if (ancestor.contains)
-      return ancestor.contains(element) && ancestor !== element;
-
-    while (element = element.parentNode)
-      if (element == ancestor) return true;
-
-    return false;
-  },
-
-  scrollTo: function(element) {
-    element = $(element);
-    var pos = Element.cumulativeOffset(element);
-    window.scrollTo(pos[0], pos[1]);
-    return element;
-  },
-
-  getStyle: function(element, style) {
-    element = $(element);
-    style = style == 'float' ? 'cssFloat' : style.camelize();
-    var value = element.style[style];
-    if (!value || value == 'auto') {
-      var css = document.defaultView.getComputedStyle(element, null);
-      value = css ? css[style] : null;
-    }
-    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
-    return value == 'auto' ? null : value;
-  },
-
-  getOpacity: function(element) {
-    return $(element).getStyle('opacity');
-  },
-
-  setStyle: function(element, styles) {
-    element = $(element);
-    var elementStyle = element.style, match;
-    if (Object.isString(styles)) {
-      element.style.cssText += ';' + styles;
-      return styles.include('opacity') ?
-        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
-    }
-    for (var property in styles)
-      if (property == 'opacity') element.setOpacity(styles[property]);
-      else
-        elementStyle[(property == 'float' || property == 'cssFloat') ?
-          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
-            property] = styles[property];
-
-    return element;
-  },
-
-  setOpacity: function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1 || value === '') ? '' :
-      (value < 0.00001) ? 0 : value;
-    return element;
-  },
-
-  makePositioned: function(element) {
-    element = $(element);
-    var pos = Element.getStyle(element, 'position');
-    if (pos == 'static' || !pos) {
-      element._madePositioned = true;
-      element.style.position = 'relative';
-      if (Prototype.Browser.Opera) {
-        element.style.top = 0;
-        element.style.left = 0;
-      }
-    }
-    return element;
-  },
-
-  undoPositioned: function(element) {
-    element = $(element);
-    if (element._madePositioned) {
-      element._madePositioned = undefined;
-      element.style.position =
-        element.style.top =
-        element.style.left =
-        element.style.bottom =
-        element.style.right = '';
-    }
-    return element;
-  },
-
-  makeClipping: function(element) {
-    element = $(element);
-    if (element._overflow) return element;
-    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
-    if (element._overflow !== 'hidden')
-      element.style.overflow = 'hidden';
-    return element;
-  },
-
-  undoClipping: function(element) {
-    element = $(element);
-    if (!element._overflow) return element;
-    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
-    element._overflow = null;
-    return element;
-  },
-
-  clonePosition: function(element, source) {
-    var options = Object.extend({
-      setLeft:    true,
-      setTop:     true,
-      setWidth:   true,
-      setHeight:  true,
-      offsetTop:  0,
-      offsetLeft: 0
-    }, arguments[2] || { });
-
-    source = $(source);
-    var p = Element.viewportOffset(source), delta = [0, 0], parent = null;
-
-    element = $(element);
-
-    if (Element.getStyle(element, 'position') == 'absolute') {
-      parent = Element.getOffsetParent(element);
-      delta = Element.viewportOffset(parent);
-    }
-
-    if (parent == document.body) {
-      delta[0] -= document.body.offsetLeft;
-      delta[1] -= document.body.offsetTop;
-    }
-
-    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
-    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
-    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
-    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
-    return element;
-  }
-};
-
-Object.extend(Element.Methods, {
-  getElementsBySelector: Element.Methods.select,
-
-  childElements: Element.Methods.immediateDescendants
-});
-
-Element._attributeTranslations = {
-  write: {
-    names: {
-      className: 'class',
-      htmlFor:   'for'
-    },
-    values: { }
-  }
-};
-
-if (Prototype.Browser.Opera) {
-  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
-    function(proceed, element, style) {
-      switch (style) {
-        case 'height': case 'width':
-          if (!Element.visible(element)) return null;
-
-          var dim = parseInt(proceed(element, style), 10);
-
-          if (dim !== element['offset' + style.capitalize()])
-            return dim + 'px';
-
-          var properties;
-          if (style === 'height') {
-            properties = ['border-top-width', 'padding-top',
-             'padding-bottom', 'border-bottom-width'];
-          }
-          else {
-            properties = ['border-left-width', 'padding-left',
-             'padding-right', 'border-right-width'];
-          }
-          return properties.inject(dim, function(memo, property) {
-            var val = proceed(element, property);
-            return val === null ? memo : memo - parseInt(val, 10);
-          }) + 'px';
-        default: return proceed(element, style);
-      }
-    }
-  );
-
-  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
-    function(proceed, element, attribute) {
-      if (attribute === 'title') return element.title;
-      return proceed(element, attribute);
-    }
-  );
-}
-
-else if (Prototype.Browser.IE) {
-  Element.Methods.getStyle = function(element, style) {
-    element = $(element);
-    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
-    var value = element.style[style];
-    if (!value && element.currentStyle) value = element.currentStyle[style];
-
-    if (style == 'opacity') {
-      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
-        if (value[1]) return parseFloat(value[1]) / 100;
-      return 1.0;
-    }
-
-    if (value == 'auto') {
-      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
-        return element['offset' + style.capitalize()] + 'px';
-      return null;
-    }
-    return value;
-  };
-
-  Element.Methods.setOpacity = function(element, value) {
-    function stripAlpha(filter){
-      return filter.replace(/alpha\([^\)]*\)/gi,'');
-    }
-    element = $(element);
-    var currentStyle = element.currentStyle;
-    if ((currentStyle && !currentStyle.hasLayout) ||
-      (!currentStyle && element.style.zoom == 'normal'))
-        element.style.zoom = 1;
-
-    var filter = element.getStyle('filter'), style = element.style;
-    if (value == 1 || value === '') {
-      (filter = stripAlpha(filter)) ?
-        style.filter = filter : style.removeAttribute('filter');
-      return element;
-    } else if (value < 0.00001) value = 0;
-    style.filter = stripAlpha(filter) +
-      'alpha(opacity=' + (value * 100) + ')';
-    return element;
-  };
-
-  Element._attributeTranslations = (function(){
-
-    var classProp = 'className',
-        forProp = 'for',
-        el = document.createElement('div');
-
-    el.setAttribute(classProp, 'x');
-
-    if (el.className !== 'x') {
-      el.setAttribute('class', 'x');
-      if (el.className === 'x') {
-        classProp = 'class';
-      }
-    }
-    el = null;
-
-    el = document.createElement('label');
-    el.setAttribute(forProp, 'x');
-    if (el.htmlFor !== 'x') {
-      el.setAttribute('htmlFor', 'x');
-      if (el.htmlFor === 'x') {
-        forProp = 'htmlFor';
-      }
-    }
-    el = null;
-
-    return {
-      read: {
-        names: {
-          'class':      classProp,
-          'className':  classProp,
-          'for':        forProp,
-          'htmlFor':    forProp
-        },
-        values: {
-          _getAttr: function(element, attribute) {
-            return element.getAttribute(attribute);
-          },
-          _getAttr2: function(element, attribute) {
-            return element.getAttribute(attribute, 2);
-          },
-          _getAttrNode: function(element, attribute) {
-            var node = element.getAttributeNode(attribute);
-            return node ? node.value : "";
-          },
-          _getEv: (function(){
-
-            var el = document.createElement('div'), f;
-            el.onclick = Prototype.emptyFunction;
-            var value = el.getAttribute('onclick');
-
-            if (String(value).indexOf('{') > -1) {
-              f = function(element, attribute) {
-                attribute = element.getAttribute(attribute);
-                if (!attribute) return null;
-                attribute = attribute.toString();
-                attribute = attribute.split('{')[1];
-                attribute = attribute.split('}')[0];
-                return attribute.strip();
-              };
-            }
-            else if (value === '') {
-              f = function(element, attribute) {
-                attribute = element.getAttribute(attribute);
-                if (!attribute) return null;
-                return attribute.strip();
-              };
-            }
-            el = null;
-            return f;
-          })(),
-          _flag: function(element, attribute) {
-            return $(element).hasAttribute(attribute) ? attribute : null;
-          },
-          style: function(element) {
-            return element.style.cssText.toLowerCase();
-          },
-          title: function(element) {
-            return element.title;
-          }
-        }
-      }
-    }
-  })();
-
-  Element._attributeTranslations.write = {
-    names: Object.extend({
-      cellpadding: 'cellPadding',
-      cellspacing: 'cellSpacing'
-    }, Element._attributeTranslations.read.names),
-    values: {
-      checked: function(element, value) {
-        element.checked = !!value;
-      },
-
-      style: function(element, value) {
-        element.style.cssText = value ? value : '';
-      }
-    }
-  };
-
-  Element._attributeTranslations.has = {};
-
-  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
-      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
-    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
-    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
-  });
-
-  (function(v) {
-    Object.extend(v, {
-      href:        v._getAttr2,
-      src:         v._getAttr2,
-      type:        v._getAttr,
-      action:      v._getAttrNode,
-      disabled:    v._flag,
-      checked:     v._flag,
-      readonly:    v._flag,
-      multiple:    v._flag,
-      onload:      v._getEv,
-      onunload:    v._getEv,
-      onclick:     v._getEv,
-      ondblclick:  v._getEv,
-      onmousedown: v._getEv,
-      onmouseup:   v._getEv,
-      onmouseover: v._getEv,
-      onmousemove: v._getEv,
-      onmouseout:  v._getEv,
-      onfocus:     v._getEv,
-      onblur:      v._getEv,
-      onkeypress:  v._getEv,
-      onkeydown:   v._getEv,
-      onkeyup:     v._getEv,
-      onsubmit:    v._getEv,
-      onreset:     v._getEv,
-      onselect:    v._getEv,
-      onchange:    v._getEv
-    });
-  })(Element._attributeTranslations.read.values);
-
-  if (Prototype.BrowserFeatures.ElementExtensions) {
-    (function() {
-      function _descendants(element) {
-        var nodes = element.getElementsByTagName('*'), results = [];
-        for (var i = 0, node; node = nodes[i]; i++)
-          if (node.tagName !== "!") // Filter out comment nodes.
-            results.push(node);
-        return results;
-      }
-
-      Element.Methods.down = function(element, expression, index) {
-        element = $(element);
-        if (arguments.length == 1) return element.firstDescendant();
-        return Object.isNumber(expression) ? _descendants(element)[expression] :
-          Element.select(element, expression)[index || 0];
-      }
-    })();
-  }
-
-}
-
-else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
-  Element.Methods.setOpacity = function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1) ? 0.999999 :
-      (value === '') ? '' : (value < 0.00001) ? 0 : value;
-    return element;
-  };
-}
-
-else if (Prototype.Browser.WebKit) {
-  Element.Methods.setOpacity = function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1 || value === '') ? '' :
-      (value < 0.00001) ? 0 : value;
-
-    if (value == 1)
-      if (element.tagName.toUpperCase() == 'IMG' && element.width) {
-        element.width++; element.width--;
-      } else try {
-        var n = document.createTextNode(' ');
-        element.appendChild(n);
-        element.removeChild(n);
-      } catch (e) { }
-
-    return element;
-  };
-}
-
-if ('outerHTML' in document.documentElement) {
-  Element.Methods.replace = function(element, content) {
-    element = $(element);
-
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) {
-      element.parentNode.replaceChild(content, element);
-      return element;
-    }
-
-    content = Object.toHTML(content);
-    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
-
-    if (Element._insertionTranslations.tags[tagName]) {
-      var nextSibling = element.next(),
-          fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
-      parent.removeChild(element);
-      if (nextSibling)
-        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
-      else
-        fragments.each(function(node) { parent.appendChild(node) });
-    }
-    else element.outerHTML = content.stripScripts();
-
-    content.evalScripts.bind(content).defer();
-    return element;
-  };
-}
-
-Element._returnOffset = function(l, t) {
-  var result = [l, t];
-  result.left = l;
-  result.top = t;
-  return result;
-};
-
-Element._getContentFromAnonymousElement = function(tagName, html, force) {
-  var div = new Element('div'),
-      t = Element._insertionTranslations.tags[tagName];
-
-  var workaround = false;
-  if (t) workaround = true;
-  else if (force) {
-    workaround = true;
-    t = ['', '', 0];
-  }
-
-  if (workaround) {
-    div.innerHTML = '&nbsp;' + t[0] + html + t[1];
-    div.removeChild(div.firstChild);
-    for (var i = t[2]; i--; ) {
-      div = div.firstChild;
-    }
-  }
-  else {
-    div.innerHTML = html;
-  }
-  return $A(div.childNodes);
-};
-
-Element._insertionTranslations = {
-  before: function(element, node) {
-    element.parentNode.insertBefore(node, element);
-  },
-  top: function(element, node) {
-    element.insertBefore(node, element.firstChild);
-  },
-  bottom: function(element, node) {
-    element.appendChild(node);
-  },
-  after: function(element, node) {
-    element.parentNode.insertBefore(node, element.nextSibling);
-  },
-  tags: {
-    TABLE:  ['<table>',                '</table>',                   1],
-    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
-    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
-    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
-    SELECT: ['<select>',               '</select>',                  1]
-  }
-};
-
-(function() {
-  var tags = Element._insertionTranslations.tags;
-  Object.extend(tags, {
-    THEAD: tags.TBODY,
-    TFOOT: tags.TBODY,
-    TH:    tags.TD
-  });
-})();
-
-Element.Methods.Simulated = {
-  hasAttribute: function(element, attribute) {
-    attribute = Element._attributeTranslations.has[attribute] || attribute;
-    var node = $(element).getAttributeNode(attribute);
-    return !!(node && node.specified);
-  }
-};
-
-Element.Methods.ByTag = { };
-
-Object.extend(Element, Element.Methods);
-
-(function(div) {
-
-  if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
-    window.HTMLElement = { };
-    window.HTMLElement.prototype = div['__proto__'];
-    Prototype.BrowserFeatures.ElementExtensions = true;
-  }
-
-  div = null;
-
-})(document.createElement('div'));
-
-Element.extend = (function() {
-
-  function checkDeficiency(tagName) {
-    if (typeof window.Element != 'undefined') {
-      var proto = window.Element.prototype;
-      if (proto) {
-        var id = '_' + (Math.random()+'').slice(2),
-            el = document.createElement(tagName);
-        proto[id] = 'x';
-        var isBuggy = (el[id] !== 'x');
-        delete proto[id];
-        el = null;
-        return isBuggy;
-      }
-    }
-    return false;
-  }
-
-  function extendElementWith(element, methods) {
-    for (var property in methods) {
-      var value = methods[property];
-      if (Object.isFunction(value) && !(property in element))
-        element[property] = value.methodize();
-    }
-  }
-
-  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
-
-  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
-    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
-      return function(element) {
-        if (element && typeof element._extendedByPrototype == 'undefined') {
-          var t = element.tagName;
-          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
-            extendElementWith(element, Element.Methods);
-            extendElementWith(element, Element.Methods.Simulated);
-            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
-          }
-        }
-        return element;
-      }
-    }
-    return Prototype.K;
-  }
-
-  var Methods = { }, ByTag = Element.Methods.ByTag;
-
-  var extend = Object.extend(function(element) {
-    if (!element || typeof element._extendedByPrototype != 'undefined' ||
-        element.nodeType != 1 || element == window) return element;
-
-    var methods = Object.clone(Methods),
-        tagName = element.tagName.toUpperCase();
-
-    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
-
-    extendElementWith(element, methods);
-
-    element._extendedByPrototype = Prototype.emptyFunction;
-    return element;
-
-  }, {
-    refresh: function() {
-      if (!Prototype.BrowserFeatures.ElementExtensions) {
-        Object.extend(Methods, Element.Methods);
-        Object.extend(Methods, Element.Methods.Simulated);
-      }
-    }
-  });
-
-  extend.refresh();
-  return extend;
-})();
-
-if (document.documentElement.hasAttribute) {
-  Element.hasAttribute = function(element, attribute) {
-    return element.hasAttribute(attribute);
-  };
-}
-else {
-  Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
-}
-
-Element.addMethods = function(methods) {
-  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
-
-  if (!methods) {
-    Object.extend(Form, Form.Methods);
-    Object.extend(Form.Element, Form.Element.Methods);
-    Object.extend(Element.Methods.ByTag, {
-      "FORM":     Object.clone(Form.Methods),
-      "INPUT":    Object.clone(Form.Element.Methods),
-      "SELECT":   Object.clone(Form.Element.Methods),
-      "TEXTAREA": Object.clone(Form.Element.Methods),
-      "BUTTON":   Object.clone(Form.Element.Methods)
-    });
-  }
-
-  if (arguments.length == 2) {
-    var tagName = methods;
-    methods = arguments[1];
-  }
-
-  if (!tagName) Object.extend(Element.Methods, methods || { });
-  else {
-    if (Object.isArray(tagName)) tagName.each(extend);
-    else extend(tagName);
-  }
-
-  function extend(tagName) {
-    tagName = tagName.toUpperCase();
-    if (!Element.Methods.ByTag[tagName])
-      Element.Methods.ByTag[tagName] = { };
-    Object.extend(Element.Methods.ByTag[tagName], methods);
-  }
-
-  function copy(methods, destination, onlyIfAbsent) {
-    onlyIfAbsent = onlyIfAbsent || false;
-    for (var property in methods) {
-      var value = methods[property];
-      if (!Object.isFunction(value)) continue;
-      if (!onlyIfAbsent || !(property in destination))
-        destination[property] = value.methodize();
-    }
-  }
-
-  function findDOMClass(tagName) {
-    var klass;
-    var trans = {
-      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
-      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
-      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
-      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
-      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
-      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
-      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
-      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
-      "FrameSet", "IFRAME": "IFrame"
-    };
-    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
-    if (window[klass]) return window[klass];
-    klass = 'HTML' + tagName + 'Element';
-    if (window[klass]) return window[klass];
-    klass = 'HTML' + tagName.capitalize() + 'Element';
-    if (window[klass]) return window[klass];
-
-    var element = document.createElement(tagName),
-        proto = element['__proto__'] || element.constructor.prototype;
-
-    element = null;
-    return proto;
-  }
-
-  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
-   Element.prototype;
-
-  if (F.ElementExtensions) {
-    copy(Element.Methods, elementPrototype);
-    copy(Element.Methods.Simulated, elementPrototype, true);
-  }
-
-  if (F.SpecificElementExtensions) {
-    for (var tag in Element.Methods.ByTag) {
-      var klass = findDOMClass(tag);
-      if (Object.isUndefined(klass)) continue;
-      copy(T[tag], klass.prototype);
-    }
-  }
-
-  Object.extend(Element, Element.Methods);
-  delete Element.ByTag;
-
-  if (Element.extend.refresh) Element.extend.refresh();
-  Element.cache = { };
-};
-
-
-document.viewport = {
-
-  getDimensions: function() {
-    return { width: this.getWidth(), height: this.getHeight() };
-  },
-
-  getScrollOffsets: function() {
-    return Element._returnOffset(
-      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
-      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
-  }
-};
-
-(function(viewport) {
-  var B = Prototype.Browser, doc = document, element, property = {};
-
-  function getRootElement() {
-    if (B.WebKit && !doc.evaluate)
-      return document;
-
-    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
-      return document.body;
-
-    return document.documentElement;
-  }
-
-  function define(D) {
-    if (!element) element = getRootElement();
-
-    property[D] = 'client' + D;
-
-    viewport['get' + D] = function() { return element[property[D]] };
-    return viewport['get' + D]();
-  }
-
-  viewport.getWidth  = define.curry('Width');
-
-  viewport.getHeight = define.curry('Height');
-})(document.viewport);
-
-
-Element.Storage = {
-  UID: 1
-};
-
-Element.addMethods({
-  getStorage: function(element) {
-    if (!(element = $(element))) return;
-
-    var uid;
-    if (element === window) {
-      uid = 0;
-    } else {
-      if (typeof element._prototypeUID === "undefined")
-        element._prototypeUID = Element.Storage.UID++;
-      uid = element._prototypeUID;
-    }
-
-    if (!Element.Storage[uid])
-      Element.Storage[uid] = $H();
-
-    return Element.Storage[uid];
-  },
-
-  store: function(element, key, value) {
-    if (!(element = $(element))) return;
-
-    if (arguments.length === 2) {
-      Element.getStorage(element).update(key);
-    } else {
-      Element.getStorage(element).set(key, value);
-    }
-
-    return element;
-  },
-
-  retrieve: function(element, key, defaultValue) {
-    if (!(element = $(element))) return;
-    var hash = Element.getStorage(element), value = hash.get(key);
-
-    if (Object.isUndefined(value)) {
-      hash.set(key, defaultValue);
-      value = defaultValue;
-    }
-
-    return value;
-  },
-
-  clone: function(element, deep) {
-    if (!(element = $(element))) return;
-    var clone = element.cloneNode(deep);
-    clone._prototypeUID = void 0;
-    if (deep) {
-      var descendants = Element.select(clone, '*'),
-          i = descendants.length;
-      while (i--) {
-        descendants[i]._prototypeUID = void 0;
-      }
-    }
-    return Element.extend(clone);
-  },
-
-  purge: function(element) {
-    if (!(element = $(element))) return;
-    var purgeElement = Element._purgeElement;
-
-    purgeElement(element);
-
-    var descendants = element.getElementsByTagName('*'),
-     i = descendants.length;
-
-    while (i--) purgeElement(descendants[i]);
-
-    return null;
-  }
-});
-
-(function() {
-
-  function toDecimal(pctString) {
-    var match = pctString.match(/^(\d+)%?$/i);
-    if (!match) return null;
-    return (Number(match[1]) / 100);
-  }
-
-  function getPixelValue(value, property, context) {
-    var element = null;
-    if (Object.isElement(value)) {
-      element = value;
-      value = element.getStyle(property);
-    }
-
-    if (value === null) {
-      return null;
-    }
-
-    if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
-      return window.parseFloat(value);
-    }
-
-    var isPercentage = value.include('%'), isViewport = (context === document.viewport);
-
-    if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) {
-      var style = element.style.left, rStyle = element.runtimeStyle.left;
-      element.runtimeStyle.left = element.currentStyle.left;
-      element.style.left = value || 0;
-      value = element.style.pixelLeft;
-      element.style.left = style;
-      element.runtimeStyle.left = rStyle;
-
-      return value;
-    }
-
-    if (element && isPercentage) {
-      context = context || element.parentNode;
-      var decimal = toDecimal(value);
-      var whole = null;
-      var position = element.getStyle('position');
-
-      var isHorizontal = property.include('left') || property.include('right') ||
-       property.include('width');
-
-      var isVertical =  property.include('top') || property.include('bottom') ||
-        property.include('height');
-
-      if (context === document.viewport) {
-        if (isHorizontal) {
-          whole = document.viewport.getWidth();
-        } else if (isVertical) {
-          whole = document.viewport.getHeight();
-        }
-      } else {
-        if (isHorizontal) {
-          whole = $(context).measure('width');
-        } else if (isVertical) {
-          whole = $(context).measure('height');
-        }
-      }
-
-      return (whole === null) ? 0 : whole * decimal;
-    }
-
-    return 0;
-  }
-
-  function toCSSPixels(number) {
-    if (Object.isString(number) && number.endsWith('px')) {
-      return number;
-    }
-    return number + 'px';
-  }
-
-  function isDisplayed(element) {
-    var originalElement = element;
-    while (element && element.parentNode) {
-      var display = element.getStyle('display');
-      if (display === 'none') {
-        return false;
-      }
-      element = $(element.parentNode);
-    }
-    return true;
-  }
-
-  var hasLayout = Prototype.K;
-  if ('currentStyle' in document.documentElement) {
-    hasLayout = function(element) {
-      if (!element.currentStyle.hasLayout) {
-        element.style.zoom = 1;
-      }
-      return element;
-    };
-  }
-
-  function cssNameFor(key) {
-    if (key.include('border')) key = key + '-width';
-    return key.camelize();
-  }
-
-  Element.Layout = Class.create(Hash, {
-    initialize: function($super, element, preCompute) {
-      $super();
-      this.element = $(element);
-
-      Element.Layout.PROPERTIES.each( function(property) {
-        this._set(property, null);
-      }, this);
-
-      if (preCompute) {
-        this._preComputing = true;
-        this._begin();
-        Element.Layout.PROPERTIES.each( this._compute, this );
-        this._end();
-        this._preComputing = false;
-      }
-    },
-
-    _set: function(property, value) {
-      return Hash.prototype.set.call(this, property, value);
-    },
-
-    set: function(property, value) {
-      throw "Properties of Element.Layout are read-only.";
-    },
-
-    get: function($super, property) {
-      var value = $super(property);
-      return value === null ? this._compute(property) : value;
-    },
-
-    _begin: function() {
-      if (this._prepared) return;
-
-      var element = this.element;
-      if (isDisplayed(element)) {
-        this._prepared = true;
-        return;
-      }
-
-      var originalStyles = {
-        position:   element.style.position   || '',
-        width:      element.style.width      || '',
-        visibility: element.style.visibility || '',
-        display:    element.style.display    || ''
-      };
-
-      element.store('prototype_original_styles', originalStyles);
-
-      var position = element.getStyle('position'),
-       width = element.getStyle('width');
-
-      if (width === "0px" || width === null) {
-        element.style.display = 'block';
-        width = element.getStyle('width');
-      }
-
-      var context = (position === 'fixed') ? document.viewport :
-       element.parentNode;
-
-      element.setStyle({
-        position:   'absolute',
-        visibility: 'hidden',
-        display:    'block'
-      });
-
-      var positionedWidth = element.getStyle('width');
-
-      var newWidth;
-      if (width && (positionedWidth === width)) {
-        newWidth = getPixelValue(element, 'width', context);
-      } else if (position === 'absolute' || position === 'fixed') {
-        newWidth = getPixelValue(element, 'width', context);
-      } else {
-        var parent = element.parentNode, pLayout = $(parent).getLayout();
-
-        newWidth = pLayout.get('width') -
-         this.get('margin-left') -
-         this.get('border-left') -
-         this.get('padding-left') -
-         this.get('padding-right') -
-         this.get('border-right') -
-         this.get('margin-right');
-      }
-
-      element.setStyle({ width: newWidth + 'px' });
-
-      this._prepared = true;
-    },
-
-    _end: function() {
-      var element = this.element;
-      var originalStyles = element.retrieve('prototype_original_styles');
-      element.store('prototype_original_styles', null);
-      element.setStyle(originalStyles);
-      this._prepared = false;
-    },
-
-    _compute: function(property) {
-      var COMPUTATIONS = Element.Layout.COMPUTATIONS;
-      if (!(property in COMPUTATIONS)) {
-        throw "Property not found.";
-      }
-
-      return this._set(property, COMPUTATIONS[property].call(this, this.element));
-    },
-
-    toObject: function() {
-      var args = $A(arguments);
-      var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
-       args.join(' ').split(' ');
-      var obj = {};
-      keys.each( function(key) {
-        if (!Element.Layout.PROPERTIES.include(key)) return;
-        var value = this.get(key);
-        if (value != null) obj[key] = value;
-      }, this);
-      return obj;
-    },
-
-    toHash: function() {
-      var obj = this.toObject.apply(this, arguments);
-      return new Hash(obj);
-    },
-
-    toCSS: function() {
-      var args = $A(arguments);
-      var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
-       args.join(' ').split(' ');
-      var css = {};
-
-      keys.each( function(key) {
-        if (!Element.Layout.PROPERTIES.include(key)) return;
-        if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;
-
-        var value = this.get(key);
-        if (value != null) css[cssNameFor(key)] = value + 'px';
-      }, this);
-      return css;
-    },
-
-    inspect: function() {
-      return "#<Element.Layout>";
-    }
-  });
-
-  Object.extend(Element.Layout, {
-    PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),
-
-    COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),
-
-    COMPUTATIONS: {
-      'height': function(element) {
-        if (!this._preComputing) this._begin();
-
-        var bHeight = this.get('border-box-height');
-        if (bHeight <= 0) {
-          if (!this._preComputing) this._end();
-          return 0;
-        }
-
-        var bTop = this.get('border-top'),
-         bBottom = this.get('border-bottom');
-
-        var pTop = this.get('padding-top'),
-         pBottom = this.get('padding-bottom');
-
-        if (!this._preComputing) this._end();
-
-        return bHeight - bTop - bBottom - pTop - pBottom;
-      },
-
-      'width': function(element) {
-        if (!this._preComputing) this._begin();
-
-        var bWidth = this.get('border-box-width');
-        if (bWidth <= 0) {
-          if (!this._preComputing) this._end();
-          return 0;
-        }
-
-        var bLeft = this.get('border-left'),
-         bRight = this.get('border-right');
-
-        var pLeft = this.get('padding-left'),
-         pRight = this.get('padding-right');
-
-        if (!this._preComputing) this._end();
-
-        return bWidth - bLeft - bRight - pLeft - pRight;
-      },
-
-      'padding-box-height': function(element) {
-        var height = this.get('height'),
-         pTop = this.get('padding-top'),
-         pBottom = this.get('padding-bottom');
-
-        return height + pTop + pBottom;
-      },
-
-      'padding-box-width': function(element) {
-        var width = this.get('width'),
-         pLeft = this.get('padding-left'),
-         pRight = this.get('padding-right');
-
-        return width + pLeft + pRight;
-      },
-
-      'border-box-height': function(element) {
-        if (!this._preComputing) this._begin();
-        var height = element.offsetHeight;
-        if (!this._preComputing) this._end();
-        return height;
-      },
-
-      'border-box-width': function(element) {
-        if (!this._preComputing) this._begin();
-        var width = element.offsetWidth;
-        if (!this._preComputing) this._end();
-        return width;
-      },
-
-      'margin-box-height': function(element) {
-        var bHeight = this.get('border-box-height'),
-         mTop = this.get('margin-top'),
-         mBottom = this.get('margin-bottom');
-
-        if (bHeight <= 0) return 0;
-
-        return bHeight + mTop + mBottom;
-      },
-
-      'margin-box-width': function(element) {
-        var bWidth = this.get('border-box-width'),
-         mLeft = this.get('margin-left'),
-         mRight = this.get('margin-right');
-
-        if (bWidth <= 0) return 0;
-
-        return bWidth + mLeft + mRight;
-      },
-
-      'top': function(element) {
-        var offset = element.positionedOffset();
-        return offset.top;
-      },
-
-      'bottom': function(element) {
-        var offset = element.positionedOffset(),
-         parent = element.getOffsetParent(),
-         pHeight = parent.measure('height');
-
-        var mHeight = this.get('border-box-height');
-
-        return pHeight - mHeight - offset.top;
-      },
-
-      'left': function(element) {
-        var offset = element.positionedOffset();
-        return offset.left;
-      },
-
-      'right': function(element) {
-        var offset = element.positionedOffset(),
-         parent = element.getOffsetParent(),
-         pWidth = parent.measure('width');
-
-        var mWidth = this.get('border-box-width');
-
-        return pWidth - mWidth - offset.left;
-      },
-
-      'padding-top': function(element) {
-        return getPixelValue(element, 'paddingTop');
-      },
-
-      'padding-bottom': function(element) {
-        return getPixelValue(element, 'paddingBottom');
-      },
-
-      'padding-left': function(element) {
-        return getPixelValue(element, 'paddingLeft');
-      },
-
-      'padding-right': function(element) {
-        return getPixelValue(element, 'paddingRight');
-      },
-
-      'border-top': function(element) {
-        return getPixelValue(element, 'borderTopWidth');
-      },
-
-      'border-bottom': function(element) {
-        return getPixelValue(element, 'borderBottomWidth');
-      },
-
-      'border-left': function(element) {
-        return getPixelValue(element, 'borderLeftWidth');
-      },
-
-      'border-right': function(element) {
-        return getPixelValue(element, 'borderRightWidth');
-      },
-
-      'margin-top': function(element) {
-        return getPixelValue(element, 'marginTop');
-      },
-
-      'margin-bottom': function(element) {
-        return getPixelValue(element, 'marginBottom');
-      },
-
-      'margin-left': function(element) {
-        return getPixelValue(element, 'marginLeft');
-      },
-
-      'margin-right': function(element) {
-        return getPixelValue(element, 'marginRight');
-      }
-    }
-  });
-
-  if ('getBoundingClientRect' in document.documentElement) {
-    Object.extend(Element.Layout.COMPUTATIONS, {
-      'right': function(element) {
-        var parent = hasLayout(element.getOffsetParent());
-        var rect = element.getBoundingClientRect(),
-         pRect = parent.getBoundingClientRect();
-
-        return (pRect.right - rect.right).round();
-      },
-
-      'bottom': function(element) {
-        var parent = hasLayout(element.getOffsetParent());
-        var rect = element.getBoundingClientRect(),
-         pRect = parent.getBoundingClientRect();
-
-        return (pRect.bottom - rect.bottom).round();
-      }
-    });
-  }
-
-  Element.Offset = Class.create({
-    initialize: function(left, top) {
-      this.left = left.round();
-      this.top  = top.round();
-
-      this[0] = this.left;
-      this[1] = this.top;
-    },
-
-    relativeTo: function(offset) {
-      return new Element.Offset(
-        this.left - offset.left,
-        this.top  - offset.top
-      );
-    },
-
-    inspect: function() {
-      return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
-    },
-
-    toString: function() {
-      return "[#{left}, #{top}]".interpolate(this);
-    },
-
-    toArray: function() {
-      return [this.left, this.top];
-    }
-  });
-
-  function getLayout(element, preCompute) {
-    return new Element.Layout(element, preCompute);
-  }
-
-  function measure(element, property) {
-    return $(element).getLayout().get(property);
-  }
-
-  function getDimensions(element) {
-    element = $(element);
-    var display = Element.getStyle(element, 'display');
-
-    if (display && display !== 'none') {
-      return { width: element.offsetWidth, height: element.offsetHeight };
-    }
-
-    var style = element.style;
-    var originalStyles = {
-      visibility: style.visibility,
-      position:   style.position,
-      display:    style.display
-    };
-
-    var newStyles = {
-      visibility: 'hidden',
-      display:    'block'
-    };
-
-    if (originalStyles.position !== 'fixed')
-      newStyles.position = 'absolute';
-
-    Element.setStyle(element, newStyles);
-
-    var dimensions = {
-      width:  element.offsetWidth,
-      height: element.offsetHeight
-    };
-
-    Element.setStyle(element, originalStyles);
-
-    return dimensions;
-  }
-
-  function getOffsetParent(element) {
-    element = $(element);
-
-    if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
-      return $(document.body);
-
-    var isInline = (Element.getStyle(element, 'display') === 'inline');
-    if (!isInline && element.offsetParent) return $(element.offsetParent);
-
-    while ((element = element.parentNode) && element !== document.body) {
-      if (Element.getStyle(element, 'position') !== 'static') {
-        return isHtml(element) ? $(document.body) : $(element);
-      }
-    }
-
-    return $(document.body);
-  }
-
-
-  function cumulativeOffset(element) {
-    element = $(element);
-    var valueT = 0, valueL = 0;
-    if (element.parentNode) {
-      do {
-        valueT += element.offsetTop  || 0;
-        valueL += element.offsetLeft || 0;
-        element = element.offsetParent;
-      } while (element);
-    }
-    return new Element.Offset(valueL, valueT);
-  }
-
-  function positionedOffset(element) {
-    element = $(element);
-
-    var layout = element.getLayout();
-
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-      element = element.offsetParent;
-      if (element) {
-        if (isBody(element)) break;
-        var p = Element.getStyle(element, 'position');
-        if (p !== 'static') break;
-      }
-    } while (element);
-
-    valueL -= layout.get('margin-top');
-    valueT -= layout.get('margin-left');
-
-    return new Element.Offset(valueL, valueT);
-  }
-
-  function cumulativeScrollOffset(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.scrollTop  || 0;
-      valueL += element.scrollLeft || 0;
-      element = element.parentNode;
-    } while (element);
-    return new Element.Offset(valueL, valueT);
-  }
-
-  function viewportOffset(forElement) {
-    element = $(element);
-    var valueT = 0, valueL = 0, docBody = document.body;
-
-    var element = forElement;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-      if (element.offsetParent == docBody &&
-        Element.getStyle(element, 'position') == 'absolute') break;
-    } while (element = element.offsetParent);
-
-    element = forElement;
-    do {
-      if (element != docBody) {
-        valueT -= element.scrollTop  || 0;
-        valueL -= element.scrollLeft || 0;
-      }
-    } while (element = element.parentNode);
-    return new Element.Offset(valueL, valueT);
-  }
-
-  function absolutize(element) {
-    element = $(element);
-
-    if (Element.getStyle(element, 'position') === 'absolute') {
-      return element;
-    }
-
-    var offsetParent = getOffsetParent(element);
-    var eOffset = element.viewportOffset(),
-     pOffset = offsetParent.viewportOffset();
-
-    var offset = eOffset.relativeTo(pOffset);
-    var layout = element.getLayout();
-
-    element.store('prototype_absolutize_original_styles', {
-      left:   element.getStyle('left'),
-      top:    element.getStyle('top'),
-      width:  element.getStyle('width'),
-      height: element.getStyle('height')
-    });
-
-    element.setStyle({
-      position: 'absolute',
-      top:    offset.top + 'px',
-      left:   offset.left + 'px',
-      width:  layout.get('width') + 'px',
-      height: layout.get('height') + 'px'
-    });
-
-    return element;
-  }
-
-  function relativize(element) {
-    element = $(element);
-    if (Element.getStyle(element, 'position') === 'relative') {
-      return element;
-    }
-
-    var originalStyles =
-     element.retrieve('prototype_absolutize_original_styles');
-
-    if (originalStyles) element.setStyle(originalStyles);
-    return element;
-  }
-
-  if (Prototype.Browser.IE) {
-    getOffsetParent = getOffsetParent.wrap(
-      function(proceed, element) {
-        element = $(element);
-
-        if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
-          return $(document.body);
-
-        var position = element.getStyle('position');
-        if (position !== 'static') return proceed(element);
-
-        element.setStyle({ position: 'relative' });
-        var value = proceed(element);
-        element.setStyle({ position: position });
-        return value;
-      }
-    );
-
-    positionedOffset = positionedOffset.wrap(function(proceed, element) {
-      element = $(element);
-      if (!element.parentNode) return new Element.Offset(0, 0);
-      var position = element.getStyle('position');
-      if (position !== 'static') return proceed(element);
-
-      var offsetParent = element.getOffsetParent();
-      if (offsetParent && offsetParent.getStyle('position') === 'fixed')
-        hasLayout(offsetParent);
-
-      element.setStyle({ position: 'relative' });
-      var value = proceed(element);
-      element.setStyle({ position: position });
-      return value;
-    });
-  } else if (Prototype.Browser.Webkit) {
-    cumulativeOffset = function(element) {
-      element = $(element);
-      var valueT = 0, valueL = 0;
-      do {
-        valueT += element.offsetTop  || 0;
-        valueL += element.offsetLeft || 0;
-        if (element.offsetParent == document.body)
-          if (Element.getStyle(element, 'position') == 'absolute') break;
-
-        element = element.offsetParent;
-      } while (element);
-
-      return new Element.Offset(valueL, valueT);
-    };
-  }
-
-
-  Element.addMethods({
-    getLayout:              getLayout,
-    measure:                measure,
-    getDimensions:          getDimensions,
-    getOffsetParent:        getOffsetParent,
-    cumulativeOffset:       cumulativeOffset,
-    positionedOffset:       positionedOffset,
-    cumulativeScrollOffset: cumulativeScrollOffset,
-    viewportOffset:         viewportOffset,
-    absolutize:             absolutize,
-    relativize:             relativize
-  });
-
-  function isBody(element) {
-    return element.nodeName.toUpperCase() === 'BODY';
-  }
-
-  function isHtml(element) {
-    return element.nodeName.toUpperCase() === 'HTML';
-  }
-
-  function isDocument(element) {
-    return element.nodeType === Node.DOCUMENT_NODE;
-  }
-
-  function isDetached(element) {
-    return element !== document.body &&
-     !Element.descendantOf(element, document.body);
-  }
-
-  if ('getBoundingClientRect' in document.documentElement) {
-    Element.addMethods({
-      viewportOffset: function(element) {
-        element = $(element);
-        if (isDetached(element)) return new Element.Offset(0, 0);
-
-        var rect = element.getBoundingClientRect(),
-         docEl = document.documentElement;
-        return new Element.Offset(rect.left - docEl.clientLeft,
-         rect.top - docEl.clientTop);
-      }
-    });
-  }
-})();
-window.$$ = function() {
-  var expression = $A(arguments).join(', ');
-  return Prototype.Selector.select(expression, document);
-};
-
-Prototype.Selector = (function() {
-
-  function select() {
-    throw new Error('Method "Prototype.Selector.select" must be defined.');
-  }
-
-  function match() {
-    throw new Error('Method "Prototype.Selector.match" must be defined.');
-  }
-
-  function find(elements, expression, index) {
-    index = index || 0;
-    var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;
-
-    for (i = 0; i < length; i++) {
-      if (match(elements[i], expression) && index == matchIndex++) {
-        return Element.extend(elements[i]);
-      }
-    }
-  }
-
-  function extendElements(elements) {
-    for (var i = 0, length = elements.length; i < length; i++) {
-      Element.extend(elements[i]);
-    }
-    return elements;
-  }
-
-
-  var K = Prototype.K;
-
-  return {
-    select: select,
-    match: match,
-    find: find,
-    extendElements: (Element.extend === K) ? K : extendElements,
-    extendElement: Element.extend
-  };
-})();
-Prototype._original_property = window.Sizzle;
-/*!
- * Sizzle CSS Selector Engine - v1.0
- *  Copyright 2009, The Dojo Foundation
- *  Released under the MIT, BSD, and GPL Licenses.
- *  More information: http://sizzlejs.com/
- */
-(function(){
-
-var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
-	done = 0,
-	toString = Object.prototype.toString,
-	hasDuplicate = false,
-	baseHasDuplicate = true;
-
-[0, 0].sort(function(){
-	baseHasDuplicate = false;
-	return 0;
-});
-
-var Sizzle = function(selector, context, results, seed) {
-	results = results || [];
-	var origContext = context = context || document;
-
-	if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
-		return [];
-	}
-
-	if ( !selector || typeof selector !== "string" ) {
-		return results;
-	}
-
-	var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
-		soFar = selector;
-
-	while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
-		soFar = m[3];
-
-		parts.push( m[1] );
-
-		if ( m[2] ) {
-			extra = m[3];
-			break;
-		}
-	}
-
-	if ( parts.length > 1 && origPOS.exec( selector ) ) {
-		if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
-			set = posProcess( parts[0] + parts[1], context );
-		} else {
-			set = Expr.relative[ parts[0] ] ?
-				[ context ] :
-				Sizzle( parts.shift(), context );
-
-			while ( parts.length ) {
-				selector = parts.shift();
-
-				if ( Expr.relative[ selector ] )
-					selector += parts.shift();
-
-				set = posProcess( selector, set );
-			}
-		}
-	} else {
-		if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
-				Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
-			var ret = Sizzle.find( parts.shift(), context, contextXML );
-			context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
-		}
-
-		if ( context ) {
-			var ret = seed ?
-				{ expr: parts.pop(), set: makeArray(seed) } :
-				Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
-			set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;
-
-			if ( parts.length > 0 ) {
-				checkSet = makeArray(set);
-			} else {
-				prune = false;
-			}
-
-			while ( parts.length ) {
-				var cur = parts.pop(), pop = cur;
-
-				if ( !Expr.relative[ cur ] ) {
-					cur = "";
-				} else {
-					pop = parts.pop();
-				}
-
-				if ( pop == null ) {
-					pop = context;
-				}
-
-				Expr.relative[ cur ]( checkSet, pop, contextXML );
-			}
-		} else {
-			checkSet = parts = [];
-		}
-	}
-
-	if ( !checkSet ) {
-		checkSet = set;
-	}
-
-	if ( !checkSet ) {
-		throw "Syntax error, unrecognized expression: " + (cur || selector);
-	}
-
-	if ( toString.call(checkSet) === "[object Array]" ) {
-		if ( !prune ) {
-			results.push.apply( results, checkSet );
-		} else if ( context && context.nodeType === 1 ) {
-			for ( var i = 0; checkSet[i] != null; i++ ) {
-				if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
-					results.push( set[i] );
-				}
-			}
-		} else {
-			for ( var i = 0; checkSet[i] != null; i++ ) {
-				if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
-					results.push( set[i] );
-				}
-			}
-		}
-	} else {
-		makeArray( checkSet, results );
-	}
-
-	if ( extra ) {
-		Sizzle( extra, origContext, results, seed );
-		Sizzle.uniqueSort( results );
-	}
-
-	return results;
-};
-
-Sizzle.uniqueSort = function(results){
-	if ( sortOrder ) {
-		hasDuplicate = baseHasDuplicate;
-		results.sort(sortOrder);
-
-		if ( hasDuplicate ) {
-			for ( var i = 1; i < results.length; i++ ) {
-				if ( results[i] === results[i-1] ) {
-					results.splice(i--, 1);
-				}
-			}
-		}
-	}
-
-	return results;
-};
-
-Sizzle.matches = function(expr, set){
-	return Sizzle(expr, null, null, set);
-};
-
-Sizzle.find = function(expr, context, isXML){
-	var set, match;
-
-	if ( !expr ) {
-		return [];
-	}
-
-	for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
-		var type = Expr.order[i], match;
-
-		if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
-			var left = match[1];
-			match.splice(1,1);
-
-			if ( left.substr( left.length - 1 ) !== "\\" ) {
-				match[1] = (match[1] || "").replace(/\\/g, "");
-				set = Expr.find[ type ]( match, context, isXML );
-				if ( set != null ) {
-					expr = expr.replace( Expr.match[ type ], "" );
-					break;
-				}
-			}
-		}
-	}
-
-	if ( !set ) {
-		set = context.getElementsByTagName("*");
-	}
-
-	return {set: set, expr: expr};
-};
-
-Sizzle.filter = function(expr, set, inplace, not){
-	var old = expr, result = [], curLoop = set, match, anyFound,
-		isXMLFilter = set && set[0] && isXML(set[0]);
-
-	while ( expr && set.length ) {
-		for ( var type in Expr.filter ) {
-			if ( (match = Expr.match[ type ].exec( expr )) != null ) {
-				var filter = Expr.filter[ type ], found, item;
-				anyFound = false;
-
-				if ( curLoop == result ) {
-					result = [];
-				}
-
-				if ( Expr.preFilter[ type ] ) {
-					match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
-
-					if ( !match ) {
-						anyFound = found = true;
-					} else if ( match === true ) {
-						continue;
-					}
-				}
-
-				if ( match ) {
-					for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
-						if ( item ) {
-							found = filter( item, match, i, curLoop );
-							var pass = not ^ !!found;
-
-							if ( inplace && found != null ) {
-								if ( pass ) {
-									anyFound = true;
-								} else {
-									curLoop[i] = false;
-								}
-							} else if ( pass ) {
-								result.push( item );
-								anyFound = true;
-							}
-						}
-					}
-				}
-
-				if ( found !== undefined ) {
-					if ( !inplace ) {
-						curLoop = result;
-					}
-
-					expr = expr.replace( Expr.match[ type ], "" );
-
-					if ( !anyFound ) {
-						return [];
-					}
-
-					break;
-				}
-			}
-		}
-
-		if ( expr == old ) {
-			if ( anyFound == null ) {
-				throw "Syntax error, unrecognized expression: " + expr;
-			} else {
-				break;
-			}
-		}
-
-		old = expr;
-	}
-
-	return curLoop;
-};
-
-var Expr = Sizzle.selectors = {
-	order: [ "ID", "NAME", "TAG" ],
-	match: {
-		ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
-		CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
-		NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
-		ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
-		TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
-		CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
-		POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
-		PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
-	},
-	leftMatch: {},
-	attrMap: {
-		"class": "className",
-		"for": "htmlFor"
-	},
-	attrHandle: {
-		href: function(elem){
-			return elem.getAttribute("href");
-		}
-	},
-	relative: {
-		"+": function(checkSet, part, isXML){
-			var isPartStr = typeof part === "string",
-				isTag = isPartStr && !/\W/.test(part),
-				isPartStrNotTag = isPartStr && !isTag;
-
-			if ( isTag && !isXML ) {
-				part = part.toUpperCase();
-			}
-
-			for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
-				if ( (elem = checkSet[i]) ) {
-					while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
-
-					checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
-						elem || false :
-						elem === part;
-				}
-			}
-
-			if ( isPartStrNotTag ) {
-				Sizzle.filter( part, checkSet, true );
-			}
-		},
-		">": function(checkSet, part, isXML){
-			var isPartStr = typeof part === "string";
-
-			if ( isPartStr && !/\W/.test(part) ) {
-				part = isXML ? part : part.toUpperCase();
-
-				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
-					var elem = checkSet[i];
-					if ( elem ) {
-						var parent = elem.parentNode;
-						checkSet[i] = parent.nodeName === part ? parent : false;
-					}
-				}
-			} else {
-				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
-					var elem = checkSet[i];
-					if ( elem ) {
-						checkSet[i] = isPartStr ?
-							elem.parentNode :
-							elem.parentNode === part;
-					}
-				}
-
-				if ( isPartStr ) {
-					Sizzle.filter( part, checkSet, true );
-				}
-			}
-		},
-		"": function(checkSet, part, isXML){
-			var doneName = done++, checkFn = dirCheck;
-
-			if ( !/\W/.test(part) ) {
-				var nodeCheck = part = isXML ? part : part.toUpperCase();
-				checkFn = dirNodeCheck;
-			}
-
-			checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
-		},
-		"~": function(checkSet, part, isXML){
-			var doneName = done++, checkFn = dirCheck;
-
-			if ( typeof part === "string" && !/\W/.test(part) ) {
-				var nodeCheck = part = isXML ? part : part.toUpperCase();
-				checkFn = dirNodeCheck;
-			}
-
-			checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
-		}
-	},
-	find: {
-		ID: function(match, context, isXML){
-			if ( typeof context.getElementById !== "undefined" && !isXML ) {
-				var m = context.getElementById(match[1]);
-				return m ? [m] : [];
-			}
-		},
-		NAME: function(match, context, isXML){
-			if ( typeof context.getElementsByName !== "undefined" ) {
-				var ret = [], results = context.getElementsByName(match[1]);
-
-				for ( var i = 0, l = results.length; i < l; i++ ) {
-					if ( results[i].getAttribute("name") === match[1] ) {
-						ret.push( results[i] );
-					}
-				}
-
-				return ret.length === 0 ? null : ret;
-			}
-		},
-		TAG: function(match, context){
-			return context.getElementsByTagName(match[1]);
-		}
-	},
-	preFilter: {
-		CLASS: function(match, curLoop, inplace, result, not, isXML){
-			match = " " + match[1].replace(/\\/g, "") + " ";
-
-			if ( isXML ) {
-				return match;
-			}
-
-			for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
-				if ( elem ) {
-					if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
-						if ( !inplace )
-							result.push( elem );
-					} else if ( inplace ) {
-						curLoop[i] = false;
-					}
-				}
-			}
-
-			return false;
-		},
-		ID: function(match){
-			return match[1].replace(/\\/g, "");
-		},
-		TAG: function(match, curLoop){
-			for ( var i = 0; curLoop[i] === false; i++ ){}
-			return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
-		},
-		CHILD: function(match){
-			if ( match[1] == "nth" ) {
-				var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
-					match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
-					!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
-
-				match[2] = (test[1] + (test[2] || 1)) - 0;
-				match[3] = test[3] - 0;
-			}
-
-			match[0] = done++;
-
-			return match;
-		},
-		ATTR: function(match, curLoop, inplace, result, not, isXML){
-			var name = match[1].replace(/\\/g, "");
-
-			if ( !isXML && Expr.attrMap[name] ) {
-				match[1] = Expr.attrMap[name];
-			}
-
-			if ( match[2] === "~=" ) {
-				match[4] = " " + match[4] + " ";
-			}
-
-			return match;
-		},
-		PSEUDO: function(match, curLoop, inplace, result, not){
-			if ( match[1] === "not" ) {
-				if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
-					match[3] = Sizzle(match[3], null, null, curLoop);
-				} else {
-					var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
-					if ( !inplace ) {
-						result.push.apply( result, ret );
-					}
-					return false;
-				}
-			} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
-				return true;
-			}
-
-			return match;
-		},
-		POS: function(match){
-			match.unshift( true );
-			return match;
-		}
-	},
-	filters: {
-		enabled: function(elem){
-			return elem.disabled === false && elem.type !== "hidden";
-		},
-		disabled: function(elem){
-			return elem.disabled === true;
-		},
-		checked: function(elem){
-			return elem.checked === true;
-		},
-		selected: function(elem){
-			elem.parentNode.selectedIndex;
-			return elem.selected === true;
-		},
-		parent: function(elem){
-			return !!elem.firstChild;
-		},
-		empty: function(elem){
-			return !elem.firstChild;
-		},
-		has: function(elem, i, match){
-			return !!Sizzle( match[3], elem ).length;
-		},
-		header: function(elem){
-			return /h\d/i.test( elem.nodeName );
-		},
-		text: function(elem){
-			return "text" === elem.type;
-		},
-		radio: function(elem){
-			return "radio" === elem.type;
-		},
-		checkbox: function(elem){
-			return "checkbox" === elem.type;
-		},
-		file: function(elem){
-			return "file" === elem.type;
-		},
-		password: function(elem){
-			return "password" === elem.type;
-		},
-		submit: function(elem){
-			return "submit" === elem.type;
-		},
-		image: function(elem){
-			return "image" === elem.type;
-		},
-		reset: function(elem){
-			return "reset" === elem.type;
-		},
-		button: function(elem){
-			return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
-		},
-		input: function(elem){
-			return /input|select|textarea|button/i.test(elem.nodeName);
-		}
-	},
-	setFilters: {
-		first: function(elem, i){
-			return i === 0;
-		},
-		last: function(elem, i, match, array){
-			return i === array.length - 1;
-		},
-		even: function(elem, i){
-			return i % 2 === 0;
-		},
-		odd: function(elem, i){
-			return i % 2 === 1;
-		},
-		lt: function(elem, i, match){
-			return i < match[3] - 0;
-		},
-		gt: function(elem, i, match){
-			return i > match[3] - 0;
-		},
-		nth: function(elem, i, match){
-			return match[3] - 0 == i;
-		},
-		eq: function(elem, i, match){
-			return match[3] - 0 == i;
-		}
-	},
-	filter: {
-		PSEUDO: function(elem, match, i, array){
-			var name = match[1], filter = Expr.filters[ name ];
-
-			if ( filter ) {
-				return filter( elem, i, match, array );
-			} else if ( name === "contains" ) {
-				return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
-			} else if ( name === "not" ) {
-				var not = match[3];
-
-				for ( var i = 0, l = not.length; i < l; i++ ) {
-					if ( not[i] === elem ) {
-						return false;
-					}
-				}
-
-				return true;
-			}
-		},
-		CHILD: function(elem, match){
-			var type = match[1], node = elem;
-			switch (type) {
-				case 'only':
-				case 'first':
-					while ( (node = node.previousSibling) )  {
-						if ( node.nodeType === 1 ) return false;
-					}
-					if ( type == 'first') return true;
-					node = elem;
-				case 'last':
-					while ( (node = node.nextSibling) )  {
-						if ( node.nodeType === 1 ) return false;
-					}
-					return true;
-				case 'nth':
-					var first = match[2], last = match[3];
-
-					if ( first == 1 && last == 0 ) {
-						return true;
-					}
-
-					var doneName = match[0],
-						parent = elem.parentNode;
-
-					if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
-						var count = 0;
-						for ( node = parent.firstChild; node; node = node.nextSibling ) {
-							if ( node.nodeType === 1 ) {
-								node.nodeIndex = ++count;
-							}
-						}
-						parent.sizcache = doneName;
-					}
-
-					var diff = elem.nodeIndex - last;
-					if ( first == 0 ) {
-						return diff == 0;
-					} else {
-						return ( diff % first == 0 && diff / first >= 0 );
-					}
-			}
-		},
-		ID: function(elem, match){
-			return elem.nodeType === 1 && elem.getAttribute("id") === match;
-		},
-		TAG: function(elem, match){
-			return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
-		},
-		CLASS: function(elem, match){
-			return (" " + (elem.className || elem.getAttribute("class")) + " ")
-				.indexOf( match ) > -1;
-		},
-		ATTR: function(elem, match){
-			var name = match[1],
-				result = Expr.attrHandle[ name ] ?
-					Expr.attrHandle[ name ]( elem ) :
-					elem[ name ] != null ?
-						elem[ name ] :
-						elem.getAttribute( name ),
-				value = result + "",
-				type = match[2],
-				check = match[4];
-
-			return result == null ?
-				type === "!=" :
-				type === "=" ?
-				value === check :
-				type === "*=" ?
-				value.indexOf(check) >= 0 :
-				type === "~=" ?
-				(" " + value + " ").indexOf(check) >= 0 :
-				!check ?
-				value && result !== false :
-				type === "!=" ?
-				value != check :
-				type === "^=" ?
-				value.indexOf(check) === 0 :
-				type === "$=" ?
-				value.substr(value.length - check.length) === check :
-				type === "|=" ?
-				value === check || value.substr(0, check.length + 1) === check + "-" :
-				false;
-		},
-		POS: function(elem, match, i, array){
-			var name = match[2], filter = Expr.setFilters[ name ];
-
-			if ( filter ) {
-				return filter( elem, i, match, array );
-			}
-		}
-	}
-};
-
-var origPOS = Expr.match.POS;
-
-for ( var type in Expr.match ) {
-	Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
-	Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
-}
-
-var makeArray = function(array, results) {
-	array = Array.prototype.slice.call( array, 0 );
-
-	if ( results ) {
-		results.push.apply( results, array );
-		return results;
-	}
-
-	return array;
-};
-
-try {
-	Array.prototype.slice.call( document.documentElement.childNodes, 0 );
-
-} catch(e){
-	makeArray = function(array, results) {
-		var ret = results || [];
-
-		if ( toString.call(array) === "[object Array]" ) {
-			Array.prototype.push.apply( ret, array );
-		} else {
-			if ( typeof array.length === "number" ) {
-				for ( var i = 0, l = array.length; i < l; i++ ) {
-					ret.push( array[i] );
-				}
-			} else {
-				for ( var i = 0; array[i]; i++ ) {
-					ret.push( array[i] );
-				}
-			}
-		}
-
-		return ret;
-	};
-}
-
-var sortOrder;
-
-if ( document.documentElement.compareDocumentPosition ) {
-	sortOrder = function( a, b ) {
-		if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
-			if ( a == b ) {
-				hasDuplicate = true;
-			}
-			return 0;
-		}
-
-		var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
-		if ( ret === 0 ) {
-			hasDuplicate = true;
-		}
-		return ret;
-	};
-} else if ( "sourceIndex" in document.documentElement ) {
-	sortOrder = function( a, b ) {
-		if ( !a.sourceIndex || !b.sourceIndex ) {
-			if ( a == b ) {
-				hasDuplicate = true;
-			}
-			return 0;
-		}
-
-		var ret = a.sourceIndex - b.sourceIndex;
-		if ( ret === 0 ) {
-			hasDuplicate = true;
-		}
-		return ret;
-	};
-} else if ( document.createRange ) {
-	sortOrder = function( a, b ) {
-		if ( !a.ownerDocument || !b.ownerDocument ) {
-			if ( a == b ) {
-				hasDuplicate = true;
-			}
-			return 0;
-		}
-
-		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
-		aRange.setStart(a, 0);
-		aRange.setEnd(a, 0);
-		bRange.setStart(b, 0);
-		bRange.setEnd(b, 0);
-		var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
-		if ( ret === 0 ) {
-			hasDuplicate = true;
-		}
-		return ret;
-	};
-}
-
-(function(){
-	var form = document.createElement("div"),
-		id = "script" + (new Date).getTime();
-	form.innerHTML = "<a name='" + id + "'/>";
-
-	var root = document.documentElement;
-	root.insertBefore( form, root.firstChild );
-
-	if ( !!document.getElementById( id ) ) {
-		Expr.find.ID = function(match, context, isXML){
-			if ( typeof context.getElementById !== "undefined" && !isXML ) {
-				var m = context.getElementById(match[1]);
-				return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
-			}
-		};
-
-		Expr.filter.ID = function(elem, match){
-			var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
-			return elem.nodeType === 1 && node && node.nodeValue === match;
-		};
-	}
-
-	root.removeChild( form );
-	root = form = null; // release memory in IE
-})();
-
-(function(){
-
-	var div = document.createElement("div");
-	div.appendChild( document.createComment("") );
-
-	if ( div.getElementsByTagName("*").length > 0 ) {
-		Expr.find.TAG = function(match, context){
-			var results = context.getElementsByTagName(match[1]);
-
-			if ( match[1] === "*" ) {
-				var tmp = [];
-
-				for ( var i = 0; results[i]; i++ ) {
-					if ( results[i].nodeType === 1 ) {
-						tmp.push( results[i] );
-					}
-				}
-
-				results = tmp;
-			}
-
-			return results;
-		};
-	}
-
-	div.innerHTML = "<a href='#'></a>";
-	if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
-			div.firstChild.getAttribute("href") !== "#" ) {
-		Expr.attrHandle.href = function(elem){
-			return elem.getAttribute("href", 2);
-		};
-	}
-
-	div = null; // release memory in IE
-})();
-
-if ( document.querySelectorAll ) (function(){
-	var oldSizzle = Sizzle, div = document.createElement("div");
-	div.innerHTML = "<p class='TEST'></p>";
-
-	if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
-		return;
-	}
-
-	Sizzle = function(query, context, extra, seed){
-		context = context || document;
-
-		if ( !seed && context.nodeType === 9 && !isXML(context) ) {
-			try {
-				return makeArray( context.querySelectorAll(query), extra );
-			} catch(e){}
-		}
-
-		return oldSizzle(query, context, extra, seed);
-	};
-
-	for ( var prop in oldSizzle ) {
-		Sizzle[ prop ] = oldSizzle[ prop ];
-	}
-
-	div = null; // release memory in IE
-})();
-
-if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
-	var div = document.createElement("div");
-	div.innerHTML = "<div class='test e'></div><div class='test'></div>";
-
-	if ( div.getElementsByClassName("e").length === 0 )
-		return;
-
-	div.lastChild.className = "e";
-
-	if ( div.getElementsByClassName("e").length === 1 )
-		return;
-
-	Expr.order.splice(1, 0, "CLASS");
-	Expr.find.CLASS = function(match, context, isXML) {
-		if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
-			return context.getElementsByClassName(match[1]);
-		}
-	};
-
-	div = null; // release memory in IE
-})();
-
-function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
-	var sibDir = dir == "previousSibling" && !isXML;
-	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
-		var elem = checkSet[i];
-		if ( elem ) {
-			if ( sibDir && elem.nodeType === 1 ){
-				elem.sizcache = doneName;
-				elem.sizset = i;
-			}
-			elem = elem[dir];
-			var match = false;
-
-			while ( elem ) {
-				if ( elem.sizcache === doneName ) {
-					match = checkSet[elem.sizset];
-					break;
-				}
-
-				if ( elem.nodeType === 1 && !isXML ){
-					elem.sizcache = doneName;
-					elem.sizset = i;
-				}
-
-				if ( elem.nodeName === cur ) {
-					match = elem;
-					break;
-				}
-
-				elem = elem[dir];
-			}
-
-			checkSet[i] = match;
-		}
-	}
-}
-
-function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
-	var sibDir = dir == "previousSibling" && !isXML;
-	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
-		var elem = checkSet[i];
-		if ( elem ) {
-			if ( sibDir && elem.nodeType === 1 ) {
-				elem.sizcache = doneName;
-				elem.sizset = i;
-			}
-			elem = elem[dir];
-			var match = false;
-
-			while ( elem ) {
-				if ( elem.sizcache === doneName ) {
-					match = checkSet[elem.sizset];
-					break;
-				}
-
-				if ( elem.nodeType === 1 ) {
-					if ( !isXML ) {
-						elem.sizcache = doneName;
-						elem.sizset = i;
-					}
-					if ( typeof cur !== "string" ) {
-						if ( elem === cur ) {
-							match = true;
-							break;
-						}
-
-					} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
-						match = elem;
-						break;
-					}
-				}
-
-				elem = elem[dir];
-			}
-
-			checkSet[i] = match;
-		}
-	}
-}
-
-var contains = document.compareDocumentPosition ?  function(a, b){
-	return a.compareDocumentPosition(b) & 16;
-} : function(a, b){
-	return a !== b && (a.contains ? a.contains(b) : true);
-};
-
-var isXML = function(elem){
-	return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
-		!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
-};
-
-var posProcess = function(selector, context){
-	var tmpSet = [], later = "", match,
-		root = context.nodeType ? [context] : context;
-
-	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
-		later += match[0];
-		selector = selector.replace( Expr.match.PSEUDO, "" );
-	}
-
-	selector = Expr.relative[selector] ? selector + "*" : selector;
-
-	for ( var i = 0, l = root.length; i < l; i++ ) {
-		Sizzle( selector, root[i], tmpSet );
-	}
-
-	return Sizzle.filter( later, tmpSet );
-};
-
-
-window.Sizzle = Sizzle;
-
-})();
-
-;(function(engine) {
-  var extendElements = Prototype.Selector.extendElements;
-
-  function select(selector, scope) {
-    return extendElements(engine(selector, scope || document));
-  }
-
-  function match(element, selector) {
-    return engine.matches(selector, [element]).length == 1;
-  }
-
-  Prototype.Selector.engine = engine;
-  Prototype.Selector.select = select;
-  Prototype.Selector.match = match;
-})(Sizzle);
-
-window.Sizzle = Prototype._original_property;
-delete Prototype._original_property;
-
-var Form = {
-  reset: function(form) {
-    form = $(form);
-    form.reset();
-    return form;
-  },
-
-  serializeElements: function(elements, options) {
-    if (typeof options != 'object') options = { hash: !!options };
-    else if (Object.isUndefined(options.hash)) options.hash = true;
-    var key, value, submitted = false, submit = options.submit, accumulator, initial;
-
-    if (options.hash) {
-      initial = {};
-      accumulator = function(result, key, value) {
-        if (key in result) {
-          if (!Object.isArray(result[key])) result[key] = [result[key]];
-          result[key].push(value);
-        } else result[key] = value;
-        return result;
-      };
-    } else {
-      initial = '';
-      accumulator = function(result, key, value) {
-        return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + encodeURIComponent(value);
-      }
-    }
-
-    return elements.inject(initial, function(result, element) {
-      if (!element.disabled && element.name) {
-        key = element.name; value = $(element).getValue();
-        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
-            submit !== false && (!submit || key == submit) && (submitted = true)))) {
-          result = accumulator(result, key, value);
-        }
-      }
-      return result;
-    });
-  }
-};
-
-Form.Methods = {
-  serialize: function(form, options) {
-    return Form.serializeElements(Form.getElements(form), options);
-  },
-
-  getElements: function(form) {
-    var elements = $(form).getElementsByTagName('*'),
-        element,
-        arr = [ ],
-        serializers = Form.Element.Serializers;
-    for (var i = 0; element = elements[i]; i++) {
-      arr.push(element);
-    }
-    return arr.inject([], function(elements, child) {
-      if (serializers[child.tagName.toLowerCase()])
-        elements.push(Element.extend(child));
-      return elements;
-    })
-  },
-
-  getInputs: function(form, typeName, name) {
-    form = $(form);
-    var inputs = form.getElementsByTagName('input');
-
-    if (!typeName && !name) return $A(inputs).map(Element.extend);
-
-    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
-      var input = inputs[i];
-      if ((typeName && input.type != typeName) || (name && input.name != name))
-        continue;
-      matchingInputs.push(Element.extend(input));
-    }
-
-    return matchingInputs;
-  },
-
-  disable: function(form) {
-    form = $(form);
-    Form.getElements(form).invoke('disable');
-    return form;
-  },
-
-  enable: function(form) {
-    form = $(form);
-    Form.getElements(form).invoke('enable');
-    return form;
-  },
-
-  findFirstElement: function(form) {
-    var elements = $(form).getElements().findAll(function(element) {
-      return 'hidden' != element.type && !element.disabled;
-    });
-    var firstByIndex = elements.findAll(function(element) {
-      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
-    }).sortBy(function(element) { return element.tabIndex }).first();
-
-    return firstByIndex ? firstByIndex : elements.find(function(element) {
-      return /^(?:input|select|textarea)$/i.test(element.tagName);
-    });
-  },
-
-  focusFirstElement: function(form) {
-    form = $(form);
-    var element = form.findFirstElement();
-    if (element) element.activate();
-    return form;
-  },
-
-  request: function(form, options) {
-    form = $(form), options = Object.clone(options || { });
-
-    var params = options.parameters, action = form.readAttribute('action') || '';
-    if (action.blank()) action = window.location.href;
-    options.parameters = form.serialize(true);
-
-    if (params) {
-      if (Object.isString(params)) params = params.toQueryParams();
-      Object.extend(options.parameters, params);
-    }
-
-    if (form.hasAttribute('method') && !options.method)
-      options.method = form.method;
-
-    return new Ajax.Request(action, options);
-  }
-};
-
-/*--------------------------------------------------------------------------*/
-
-
-Form.Element = {
-  focus: function(element) {
-    $(element).focus();
-    return element;
-  },
-
-  select: function(element) {
-    $(element).select();
-    return element;
-  }
-};
-
-Form.Element.Methods = {
-
-  serialize: function(element) {
-    element = $(element);
-    if (!element.disabled && element.name) {
-      var value = element.getValue();
-      if (value != undefined) {
-        var pair = { };
-        pair[element.name] = value;
-        return Object.toQueryString(pair);
-      }
-    }
-    return '';
-  },
-
-  getValue: function(element) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    return Form.Element.Serializers[method](element);
-  },
-
-  setValue: function(element, value) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    Form.Element.Serializers[method](element, value);
-    return element;
-  },
-
-  clear: function(element) {
-    $(element).value = '';
-    return element;
-  },
-
-  present: function(element) {
-    return $(element).value != '';
-  },
-
-  activate: function(element) {
-    element = $(element);
-    try {
-      element.focus();
-      if (element.select && (element.tagName.toLowerCase() != 'input' ||
-          !(/^(?:button|reset|submit)$/i.test(element.type))))
-        element.select();
-    } catch (e) { }
-    return element;
-  },
-
-  disable: function(element) {
-    element = $(element);
-    element.disabled = true;
-    return element;
-  },
-
-  enable: function(element) {
-    element = $(element);
-    element.disabled = false;
-    return element;
-  }
-};
-
-/*--------------------------------------------------------------------------*/
-
-var Field = Form.Element;
-
-var $F = Form.Element.Methods.getValue;
-
-/*--------------------------------------------------------------------------*/
-
-Form.Element.Serializers = (function() {
-  function input(element, value) {
-    switch (element.type.toLowerCase()) {
-      case 'checkbox':
-      case 'radio':
-        return inputSelector(element, value);
-      default:
-        return valueSelector(element, value);
-    }
-  }
-
-  function inputSelector(element, value) {
-    if (Object.isUndefined(value))
-      return element.checked ? element.value : null;
-    else element.checked = !!value;
-  }
-
-  function valueSelector(element, value) {
-    if (Object.isUndefined(value)) return element.value;
-    else element.value = value;
-  }
-
-  function select(element, value) {
-    if (Object.isUndefined(value))
-      return (element.type === 'select-one' ? selectOne : selectMany)(element);
-
-    var opt, currentValue, single = !Object.isArray(value);
-    for (var i = 0, length = element.length; i < length; i++) {
-      opt = element.options[i];
-      currentValue = this.optionValue(opt);
-      if (single) {
-        if (currentValue == value) {
-          opt.selected = true;
-          return;
-        }
-      }
-      else opt.selected = value.include(currentValue);
-    }
-  }
-
-  function selectOne(element) {
-    var index = element.selectedIndex;
-    return index >= 0 ? optionValue(element.options[index]) : null;
-  }
-
-  function selectMany(element) {
-    var values, length = element.length;
-    if (!length) return null;
-
-    for (var i = 0, values = []; i < length; i++) {
-      var opt = element.options[i];
-      if (opt.selected) values.push(optionValue(opt));
-    }
-    return values;
-  }
-
-  function optionValue(opt) {
-    return Element.hasAttribute(opt, 'value') ? opt.value : opt.text;
-  }
-
-  return {
-    input:         input,
-    inputSelector: inputSelector,
-    textarea:      valueSelector,
-    select:        select,
-    selectOne:     selectOne,
-    selectMany:    selectMany,
-    optionValue:   optionValue,
-    button:        valueSelector
-  };
-})();
-
-/*--------------------------------------------------------------------------*/
-
-
-Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
-  initialize: function($super, element, frequency, callback) {
-    $super(callback, frequency);
-    this.element   = $(element);
-    this.lastValue = this.getValue();
-  },
-
-  execute: function() {
-    var value = this.getValue();
-    if (Object.isString(this.lastValue) && Object.isString(value) ?
-        this.lastValue != value : String(this.lastValue) != String(value)) {
-      this.callback(this.element, value);
-      this.lastValue = value;
-    }
-  }
-});
-
-Form.Element.Observer = Class.create(Abstract.TimedObserver, {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.Observer = Class.create(Abstract.TimedObserver, {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.EventObserver = Class.create({
-  initialize: function(element, callback) {
-    this.element  = $(element);
-    this.callback = callback;
-
-    this.lastValue = this.getValue();
-    if (this.element.tagName.toLowerCase() == 'form')
-      this.registerFormCallbacks();
-    else
-      this.registerCallback(this.element);
-  },
-
-  onElementEvent: function() {
-    var value = this.getValue();
-    if (this.lastValue != value) {
-      this.callback(this.element, value);
-      this.lastValue = value;
-    }
-  },
-
-  registerFormCallbacks: function() {
-    Form.getElements(this.element).each(this.registerCallback, this);
-  },
-
-  registerCallback: function(element) {
-    if (element.type) {
-      switch (element.type.toLowerCase()) {
-        case 'checkbox':
-        case 'radio':
-          Event.observe(element, 'click', this.onElementEvent.bind(this));
-          break;
-        default:
-          Event.observe(element, 'change', this.onElementEvent.bind(this));
-          break;
-      }
-    }
-  }
-});
-
-Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.EventObserver = Class.create(Abstract.EventObserver, {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
-(function() {
-
-  var Event = {
-    KEY_BACKSPACE: 8,
-    KEY_TAB:       9,
-    KEY_RETURN:   13,
-    KEY_ESC:      27,
-    KEY_LEFT:     37,
-    KEY_UP:       38,
-    KEY_RIGHT:    39,
-    KEY_DOWN:     40,
-    KEY_DELETE:   46,
-    KEY_HOME:     36,
-    KEY_END:      35,
-    KEY_PAGEUP:   33,
-    KEY_PAGEDOWN: 34,
-    KEY_INSERT:   45,
-
-    cache: {}
-  };
-
-  var docEl = document.documentElement;
-  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
-    && 'onmouseleave' in docEl;
-
-
-
-  var isIELegacyEvent = function(event) { return false; };
-
-  if (window.attachEvent) {
-    if (window.addEventListener) {
-      isIELegacyEvent = function(event) {
-        return !(event instanceof window.Event);
-      };
-    } else {
-      isIELegacyEvent = function(event) { return true; };
-    }
-  }
-
-  var _isButton;
-
-  function _isButtonForDOMEvents(event, code) {
-    return event.which ? (event.which === code + 1) : (event.button === code);
-  }
-
-  var legacyButtonMap = { 0: 1, 1: 4, 2: 2 };
-  function _isButtonForLegacyEvents(event, code) {
-    return event.button === legacyButtonMap[code];
-  }
-
-  function _isButtonForWebKit(event, code) {
-    switch (code) {
-      case 0: return event.which == 1 && !event.metaKey;
-      case 1: return event.which == 2 || (event.which == 1 && event.metaKey);
-      case 2: return event.which == 3;
-      default: return false;
-    }
-  }
-
-  if (window.attachEvent) {
-    if (!window.addEventListener) {
-      _isButton = _isButtonForLegacyEvents;
-    } else {
-      _isButton = function(event, code) {
-        return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) :
-         _isButtonForDOMEvents(event, code);
-      }
-    }
-  } else if (Prototype.Browser.WebKit) {
-    _isButton = _isButtonForWebKit;
-  } else {
-    _isButton = _isButtonForDOMEvents;
-  }
-
-  function isLeftClick(event)   { return _isButton(event, 0) }
-
-  function isMiddleClick(event) { return _isButton(event, 1) }
-
-  function isRightClick(event)  { return _isButton(event, 2) }
-
-  function element(event) {
-    event = Event.extend(event);
-
-    var node = event.target, type = event.type,
-     currentTarget = event.currentTarget;
-
-    if (currentTarget && currentTarget.tagName) {
-      if (type === 'load' || type === 'error' ||
-        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
-          && currentTarget.type === 'radio'))
-            node = currentTarget;
-    }
-
-    if (node.nodeType == Node.TEXT_NODE)
-      node = node.parentNode;
-
-    return Element.extend(node);
-  }
-
-  function findElement(event, expression) {
-    var element = Event.element(event);
-
-    if (!expression) return element;
-    while (element) {
-      if (Object.isElement(element) && Prototype.Selector.match(element, expression)) {
-        return Element.extend(element);
-      }
-      element = element.parentNode;
-    }
-  }
-
-  function pointer(event) {
-    return { x: pointerX(event), y: pointerY(event) };
-  }
-
-  function pointerX(event) {
-    var docElement = document.documentElement,
-     body = document.body || { scrollLeft: 0 };
-
-    return event.pageX || (event.clientX +
-      (docElement.scrollLeft || body.scrollLeft) -
-      (docElement.clientLeft || 0));
-  }
-
-  function pointerY(event) {
-    var docElement = document.documentElement,
-     body = document.body || { scrollTop: 0 };
-
-    return  event.pageY || (event.clientY +
-       (docElement.scrollTop || body.scrollTop) -
-       (docElement.clientTop || 0));
-  }
-
-
-  function stop(event) {
-    Event.extend(event);
-    event.preventDefault();
-    event.stopPropagation();
-
-    event.stopped = true;
-  }
-
-
-  Event.Methods = {
-    isLeftClick:   isLeftClick,
-    isMiddleClick: isMiddleClick,
-    isRightClick:  isRightClick,
-
-    element:     element,
-    findElement: findElement,
-
-    pointer:  pointer,
-    pointerX: pointerX,
-    pointerY: pointerY,
-
-    stop: stop
-  };
-
-  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
-    m[name] = Event.Methods[name].methodize();
-    return m;
-  });
-
-  if (window.attachEvent) {
-    function _relatedTarget(event) {
-      var element;
-      switch (event.type) {
-        case 'mouseover':
-        case 'mouseenter':
-          element = event.fromElement;
-          break;
-        case 'mouseout':
-        case 'mouseleave':
-          element = event.toElement;
-          break;
-        default:
-          return null;
-      }
-      return Element.extend(element);
-    }
-
-    var additionalMethods = {
-      stopPropagation: function() { this.cancelBubble = true },
-      preventDefault:  function() { this.returnValue = false },
-      inspect: function() { return '[object Event]' }
-    };
-
-    Event.extend = function(event, element) {
-      if (!event) return false;
-
-      if (!isIELegacyEvent(event)) return event;
-
-      if (event._extendedByPrototype) return event;
-      event._extendedByPrototype = Prototype.emptyFunction;
-
-      var pointer = Event.pointer(event);
-
-      Object.extend(event, {
-        target: event.srcElement || element,
-        relatedTarget: _relatedTarget(event),
-        pageX:  pointer.x,
-        pageY:  pointer.y
-      });
-
-      Object.extend(event, methods);
-      Object.extend(event, additionalMethods);
-
-      return event;
-    };
-  } else {
-    Event.extend = Prototype.K;
-  }
-
-  if (window.addEventListener) {
-    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
-    Object.extend(Event.prototype, methods);
-  }
-
-  function _createResponder(element, eventName, handler) {
-    var registry = Element.retrieve(element, 'prototype_event_registry');
-
-    if (Object.isUndefined(registry)) {
-      CACHE.push(element);
-      registry = Element.retrieve(element, 'prototype_event_registry', $H());
-    }
-
-    var respondersForEvent = registry.get(eventName);
-    if (Object.isUndefined(respondersForEvent)) {
-      respondersForEvent = [];
-      registry.set(eventName, respondersForEvent);
-    }
-
-    if (respondersForEvent.pluck('handler').include(handler)) return false;
-
-    var responder;
-    if (eventName.include(":")) {
-      responder = function(event) {
-        if (Object.isUndefined(event.eventName))
-          return false;
-
-        if (event.eventName !== eventName)
-          return false;
-
-        Event.extend(event, element);
-        handler.call(element, event);
-      };
-    } else {
-      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
-       (eventName === "mouseenter" || eventName === "mouseleave")) {
-        if (eventName === "mouseenter" || eventName === "mouseleave") {
-          responder = function(event) {
-            Event.extend(event, element);
-
-            var parent = event.relatedTarget;
-            while (parent && parent !== element) {
-              try { parent = parent.parentNode; }
-              catch(e) { parent = element; }
-            }
-
-            if (parent === element) return;
-
-            handler.call(element, event);
-          };
-        }
-      } else {
-        responder = function(event) {
-          Event.extend(event, element);
-          handler.call(element, event);
-        };
-      }
-    }
-
-    responder.handler = handler;
-    respondersForEvent.push(responder);
-    return responder;
-  }
-
-  function _destroyCache() {
-    for (var i = 0, length = CACHE.length; i < length; i++) {
-      Event.stopObserving(CACHE[i]);
-      CACHE[i] = null;
-    }
-  }
-
-  var CACHE = [];
-
-  if (Prototype.Browser.IE)
-    window.attachEvent('onunload', _destroyCache);
-
-  if (Prototype.Browser.WebKit)
-    window.addEventListener('unload', Prototype.emptyFunction, false);
-
-
-  var _getDOMEventName = Prototype.K,
-      translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
-
-  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
-    _getDOMEventName = function(eventName) {
-      return (translations[eventName] || eventName);
-    };
-  }
-
-  function observe(element, eventName, handler) {
-    element = $(element);
-
-    var responder = _createResponder(element, eventName, handler);
-
-    if (!responder) return element;
-
-    if (eventName.include(':')) {
-      if (element.addEventListener)
-        element.addEventListener("dataavailable", responder, false);
-      else {
-        element.attachEvent("ondataavailable", responder);
-        element.attachEvent("onlosecapture", responder);
-      }
-    } else {
-      var actualEventName = _getDOMEventName(eventName);
-
-      if (element.addEventListener)
-        element.addEventListener(actualEventName, responder, false);
-      else
-        element.attachEvent("on" + actualEventName, responder);
-    }
-
-    return element;
-  }
-
-  function stopObserving(element, eventName, handler) {
-    element = $(element);
-
-    var registry = Element.retrieve(element, 'prototype_event_registry');
-    if (!registry) return element;
-
-    if (!eventName) {
-      registry.each( function(pair) {
-        var eventName = pair.key;
-        stopObserving(element, eventName);
-      });
-      return element;
-    }
-
-    var responders = registry.get(eventName);
-    if (!responders) return element;
-
-    if (!handler) {
-      responders.each(function(r) {
-        stopObserving(element, eventName, r.handler);
-      });
-      return element;
-    }
-
-    var i = responders.length, responder;
-    while (i--) {
-      if (responders[i].handler === handler) {
-        responder = responders[i];
-        break;
-      }
-    }
-    if (!responder) return element;
-
-    if (eventName.include(':')) {
-      if (element.removeEventListener)
-        element.removeEventListener("dataavailable", responder, false);
-      else {
-        element.detachEvent("ondataavailable", responder);
-        element.detachEvent("onlosecapture", responder);
-      }
-    } else {
-      var actualEventName = _getDOMEventName(eventName);
-      if (element.removeEventListener)
-        element.removeEventListener(actualEventName, responder, false);
-      else
-        element.detachEvent('on' + actualEventName, responder);
-    }
-
-    registry.set(eventName, responders.without(responder));
-
-    return element;
-  }
-
-  function fire(element, eventName, memo, bubble) {
-    element = $(element);
-
-    if (Object.isUndefined(bubble))
-      bubble = true;
-
-    if (element == document && document.createEvent && !element.dispatchEvent)
-      element = document.documentElement;
-
-    var event;
-    if (document.createEvent) {
-      event = document.createEvent('HTMLEvents');
-      event.initEvent('dataavailable', bubble, true);
-    } else {
-      event = document.createEventObject();
-      event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
-    }
-
-    event.eventName = eventName;
-    event.memo = memo || { };
-
-    if (document.createEvent)
-      element.dispatchEvent(event);
-    else
-      element.fireEvent(event.eventType, event);
-
-    return Event.extend(event);
-  }
-
-  Event.Handler = Class.create({
-    initialize: function(element, eventName, selector, callback) {
-      this.element   = $(element);
-      this.eventName = eventName;
-      this.selector  = selector;
-      this.callback  = callback;
-      this.handler   = this.handleEvent.bind(this);
-    },
-
-    start: function() {
-      Event.observe(this.element, this.eventName, this.handler);
-      return this;
-    },
-
-    stop: function() {
-      Event.stopObserving(this.element, this.eventName, this.handler);
-      return this;
-    },
-
-    handleEvent: function(event) {
-      var element = Event.findElement(event, this.selector);
-      if (element) this.callback.call(this.element, event, element);
-    }
-  });
-
-  function on(element, eventName, selector, callback) {
-    element = $(element);
-    if (Object.isFunction(selector) && Object.isUndefined(callback)) {
-      callback = selector, selector = null;
-    }
-
-    return new Event.Handler(element, eventName, selector, callback).start();
-  }
-
-  Object.extend(Event, Event.Methods);
-
-  Object.extend(Event, {
-    fire:          fire,
-    observe:       observe,
-    stopObserving: stopObserving,
-    on:            on
-  });
-
-  Element.addMethods({
-    fire:          fire,
-
-    observe:       observe,
-
-    stopObserving: stopObserving,
-
-    on:            on
-  });
-
-  Object.extend(document, {
-    fire:          fire.methodize(),
-
-    observe:       observe.methodize(),
-
-    stopObserving: stopObserving.methodize(),
-
-    on:            on.methodize(),
-
-    loaded:        false
-  });
-
-  if (window.Event) Object.extend(window.Event, Event);
-  else window.Event = Event;
-})();
-
-(function() {
-  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
-     Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
-
-  var timer;
-
-  function fireContentLoadedEvent() {
-    if (document.loaded) return;
-    if (timer) window.clearTimeout(timer);
-    document.loaded = true;
-    document.fire('dom:loaded');
-  }
-
-  function checkReadyState() {
-    if (document.readyState === 'complete') {
-      document.stopObserving('readystatechange', checkReadyState);
-      fireContentLoadedEvent();
-    }
-  }
-
-  function pollDoScroll() {
-    try { document.documentElement.doScroll('left'); }
-    catch(e) {
-      timer = pollDoScroll.defer();
-      return;
-    }
-    fireContentLoadedEvent();
-  }
-
-  if (document.addEventListener) {
-    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
-  } else {
-    document.observe('readystatechange', checkReadyState);
-    if (window == top)
-      timer = pollDoScroll.defer();
-  }
-
-  Event.observe(window, 'load', fireContentLoadedEvent);
-})();
-
-Element.addMethods();
-
-/*------------------------------- DEPRECATED -------------------------------*/
-
-Hash.toQueryString = Object.toQueryString;
-
-var Toggle = { display: Element.toggle };
-
-Element.Methods.childOf = Element.Methods.descendantOf;
-
-var Insertion = {
-  Before: function(element, content) {
-    return Element.insert(element, {before:content});
-  },
-
-  Top: function(element, content) {
-    return Element.insert(element, {top:content});
-  },
-
-  Bottom: function(element, content) {
-    return Element.insert(element, {bottom:content});
-  },
-
-  After: function(element, content) {
-    return Element.insert(element, {after:content});
-  }
-};
-
-var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
-
-var Position = {
-  includeScrollOffsets: false,
-
-  prepare: function() {
-    this.deltaX =  window.pageXOffset
-                || document.documentElement.scrollLeft
-                || document.body.scrollLeft
-                || 0;
-    this.deltaY =  window.pageYOffset
-                || document.documentElement.scrollTop
-                || document.body.scrollTop
-                || 0;
-  },
-
-  within: function(element, x, y) {
-    if (this.includeScrollOffsets)
-      return this.withinIncludingScrolloffsets(element, x, y);
-    this.xcomp = x;
-    this.ycomp = y;
-    this.offset = Element.cumulativeOffset(element);
-
-    return (y >= this.offset[1] &&
-            y <  this.offset[1] + element.offsetHeight &&
-            x >= this.offset[0] &&
-            x <  this.offset[0] + element.offsetWidth);
-  },
-
-  withinIncludingScrolloffsets: function(element, x, y) {
-    var offsetcache = Element.cumulativeScrollOffset(element);
-
-    this.xcomp = x + offsetcache[0] - this.deltaX;
-    this.ycomp = y + offsetcache[1] - this.deltaY;
-    this.offset = Element.cumulativeOffset(element);
-
-    return (this.ycomp >= this.offset[1] &&
-            this.ycomp <  this.offset[1] + element.offsetHeight &&
-            this.xcomp >= this.offset[0] &&
-            this.xcomp <  this.offset[0] + element.offsetWidth);
-  },
-
-  overlap: function(mode, element) {
-    if (!mode) return 0;
-    if (mode == 'vertical')
-      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
-        element.offsetHeight;
-    if (mode == 'horizontal')
-      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
-        element.offsetWidth;
-  },
-
-
-  cumulativeOffset: Element.Methods.cumulativeOffset,
-
-  positionedOffset: Element.Methods.positionedOffset,
-
-  absolutize: function(element) {
-    Position.prepare();
-    return Element.absolutize(element);
-  },
-
-  relativize: function(element) {
-    Position.prepare();
-    return Element.relativize(element);
-  },
-
-  realOffset: Element.Methods.cumulativeScrollOffset,
-
-  offsetParent: Element.Methods.getOffsetParent,
-
-  page: Element.Methods.viewportOffset,
-
-  clone: function(source, target, options) {
-    options = options || { };
-    return Element.clonePosition(target, source, options);
-  }
-};
-
-/*--------------------------------------------------------------------------*/
-
-if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
-  function iter(name) {
-    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
-  }
-
-  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
-  function(element, className) {
-    className = className.toString().strip();
-    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
-    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
-  } : function(element, className) {
-    className = className.toString().strip();
-    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
-    if (!classNames && !className) return elements;
-
-    var nodes = $(element).getElementsByTagName('*');
-    className = ' ' + className + ' ';
-
-    for (var i = 0, child, cn; child = nodes[i]; i++) {
-      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
-          (classNames && classNames.all(function(name) {
-            return !name.toString().blank() && cn.include(' ' + name + ' ');
-          }))))
-        elements.push(Element.extend(child));
-    }
-    return elements;
-  };
-
-  return function(className, parentElement) {
-    return $(parentElement || document.body).getElementsByClassName(className);
-  };
-}(Element.Methods);
-
-/*--------------------------------------------------------------------------*/
-
-Element.ClassNames = Class.create();
-Element.ClassNames.prototype = {
-  initialize: function(element) {
-    this.element = $(element);
-  },
-
-  _each: function(iterator) {
-    this.element.className.split(/\s+/).select(function(name) {
-      return name.length > 0;
-    })._each(iterator);
-  },
-
-  set: function(className) {
-    this.element.className = className;
-  },
-
-  add: function(classNameToAdd) {
-    if (this.include(classNameToAdd)) return;
-    this.set($A(this).concat(classNameToAdd).join(' '));
-  },
-
-  remove: function(classNameToRemove) {
-    if (!this.include(classNameToRemove)) return;
-    this.set($A(this).without(classNameToRemove).join(' '));
-  },
-
-  toString: function() {
-    return $A(this).join(' ');
-  }
-};
-
-Object.extend(Element.ClassNames.prototype, Enumerable);
-
-/*--------------------------------------------------------------------------*/
-
-(function() {
-  window.Selector = Class.create({
-    initialize: function(expression) {
-      this.expression = expression.strip();
-    },
-
-    findElements: function(rootElement) {
-      return Prototype.Selector.select(this.expression, rootElement);
-    },
-
-    match: function(element) {
-      return Prototype.Selector.match(element, this.expression);
-    },
-
-    toString: function() {
-      return this.expression;
-    },
-
-    inspect: function() {
-      return "#<Selector: " + this.expression + ">";
-    }
-  });
-
-  Object.extend(Selector, {
-    matchElements: function(elements, expression) {
-      var match = Prototype.Selector.match,
-          results = [];
-
-      for (var i = 0, length = elements.length; i < length; i++) {
-        var element = elements[i];
-        if (match(element, expression)) {
-          results.push(Element.extend(element));
-        }
-      }
-      return results;
-    },
-
-    findElement: function(elements, expression, index) {
-      index = index || 0;
-      var matchIndex = 0, element;
-      for (var i = 0, length = elements.length; i < length; i++) {
-        element = elements[i];
-        if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
-          return Element.extend(element);
-        }
-      }
-    },
-
-    findChildElements: function(element, expressions) {
-      var selector = expressions.toArray().join(', ');
-      return Prototype.Selector.select(selector, element || document);
-    }
-  });
-})();
diff --git a/js/reviewdesu.js b/js/reviewdesu.js
deleted file mode 100644
index d93bda4..0000000
--- a/js/reviewdesu.js
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
-	reviewdesu.js
-	this scripts proceeds to doing a review of the things you should know
-*/
-
-// UTILITY (copied from about.com)
-// thank you the internets
-Array.prototype.shuffle = function() {
-	var s = [];
-	while (this.length) s.push(this.splice(Math.random() * this.length, 1)[0]);
-	while (s.length) this.push(s.pop());
-	return this;
-}
-
-var questions = [];
-var results = [];
-var question = [];
-var score = 0;
-
-var total = 0;
-var question_nb = 0;
-
-function start_review() {
-	prepare_questions();
-	next_question();
-}
-
-function prepare_questions() {
-	for (var j = 0; j < batch_data.questions.length; j++) {
-		var tq = [];
-
-		var q = batch_data.questions[j];
-		for (var i = 0; i < batch_data.items.length; i++) {
-			if (q.col) {
-				var answer = '';
-				for (var k = 0; k < batch_data.items[i].length; k++) {
-					answer += '<p class="review_item_prop"><strong>' + batch_data.columns[k] + '</strong>' + batch_data.items[i][k] + "</p>";
-				}
-				tq.push({
-					"question": '<p class="review_item_q">' + batch_data.items[i][q.col] + '</p>',
-					"answer": answer,
-					"key": batch_data.items[i][0],
-				});
-			} else {
-				var qu = q.q;
-				var an = q.a;
-				for (var k = 0; k < batch_data.items[i].length; k++) {
-					qu = qu.replace('%' + k, batch_data.items[i][k]);
-					an = an.replace('%' + k, batch_data.items[i][k]);
-				}
-				tq.push({
-					"question": qu,
-					"answer": an,
-					"key": batch_data.items[i][0],
-				});
-			}
-		}
-
-		tq.shuffle();
-		// first question asked is the last in array questions, so just put them in reverse order.
-		questions = tq.concat(questions);
-	}
-	total = questions.length;
-}
-
-function next_question() {
-	if (questions.length == 0) {
-		score = Math.ceil(score * 100 / total);
-		$("core").innerHTML = '<p>Finished. Score : ' + score + '/100. Saving data...</p>';
-		new Ajax.Request('index.php?p=brresults-study-' + batchid, {
-			method: 'post',
-			parameters: {
-				score: score,
-				results: Object.toJSON(results),
-			},
-			onSuccess: function(transport) {
-				$("core").innerHTML = '<p>Finished. Score : ' + score + '/100. ' + transport.responseText + '. <a href="batch-study-' + batchid + '">back to batch</a></p>';
-			},
-		});
-	} else {
-		question = questions[questions.length - 1];
-		questions.pop();
-		question_nb++;
-
-		html = '<h3>Question ' + question_nb + ' of ' + total + '</h3>';
-		html += '<div class="review_item">';
-		html += '<div class="box">' + question.question + '</div>';
-		html += '<p><button id="flipbtn" onclick="show_answer();">answer</button></p>';
-		html += '</div>';
-		$("core").innerHTML = html;
-		$("flipbtn").focus();
-	}
-}
-
-function show_answer() {
-	html = '<h3>Question ' + question_nb + ' of ' + total + '</h3>';
-	html += '<div class="review_item">';
-	html += '<div class="box2">' + question.answer + '</div>';
-	html += '<div class="boxn" onclick="edit_note();" id="notebox">' +
-		(notes[question.key] || '<em>click to add note...</em>').replace(/\|\|/g, '<br />') + '</div>';
-	html += '<p><button taborder="1" onclick="answer_question(-1);">fail</button>';
-	html += '<button taborder="2" id="dunnobtn" onclick="answer_question(0);">dunno</button>';
-	html += '<button taborder="3" id="winbtn" onclick="answer_question(1);">win</button></p>';
-	html += '</div>';
-	$("core").innerHTML = html;
-	$("winbtn").focus();
-}
-
-function answer_question(a) {
-	results.push([question.key, a]);
-	score += a;
-	next_question();
-}
-
-function edit_note() {
-	var idd = question.key;
-	var note = prompt("Add note for item:\n(you might want to add a long note, so I'm adding this text to make the prompt box bigger)", notes[idd] || '');
-	if (note != null) notes[idd] = note;
-	if (notes[idd] == '') delete notes[idd];
-	$("notebox").innerHTML = (notes[idd] || '<em>click to add note...</em>').replace(/\|\|/g, '<br />');
-
-	new Ajax.Request('index.php?p=brresults-study-' + batchid, {
-		method: 'post',
-		parameters: {
-			notes: Object.toJSON(notes),
-		},
-		onSuccess: function(transport) {
-			// nothing...
-		},
-	});
-}
-