var auto_suggest_enabled = true;
var dom_ready = false;
var open_dropdown = "";
var open_popup = "";
var open_editor = "";
var open_details = "";
var selected_items = [];

var registrar = {
	hooks: {},
	handlers: {},
	remove_hook: function(type){
    this.hooks[type] = [];
  },
	add_hook: function(type, o) {
    if (typeof(o) == "string") o = {element: o};
    if (this.hooks[type] == undefined) {
     this.hooks[type] = [];
    }
    this.hooks[type].push(o);
    if (this.handlers[type] != undefined) {
     for (var i=0; i < this.handlers[type].length; i++) {
       this.inform_handler(this.handlers[type][i], o);
     };
    }
	},
	add_handler: function(types, handler, opts) {
    if (typeof(types) != "object") {
     types = [types];
    }
    
    if (opts == undefined) {
     opts = {delay: 0};
    }
         
    for (var i=0; i < types.length; i++) {
     var type = types[i];
     if (this.handlers[type] == undefined) {
       this.handlers[type] = [];
     }
     var h = {handler: handler, opts: opts};
     this.handlers[type].push(h);
     if (this.hooks[type] != undefined) {
       var hook_length = this.hooks[type].length;
       if (hook_length > 0) {
 				if (h.opts.delay != 0) {
          this.chained_inform_handler(0, h, type);
 				} else {
 				  for (var i=0; i < this.hooks[type].length; i++) {
 				   this.inform_handler(h, this.hooks[type][i]);
 				  }
 				}
       }
     }
    };
	},
	chained_inform_handler: function(idx, h, type) {
		if (idx < this.hooks[type].length) {
			registrar.inform_handler(h, this.hooks[type][idx]);
			setTimeout(function() { registrar.chained_inform_handler(idx+1, h, type); }, h.opts.delay);
		}
	},
	inform_handler: function(h, hook) {
		h.handler(hook);
	}
};

registrar.add_handler("dropdown", function(o) {
  var hover = false;
  if (o.hover != undefined && o.hover != null) hover = o.hover;
  if (!o.hover && o.trigger) document.getElementById(o.trigger).onclick = function(){return false;};
});

function disable_firebug() {
  var names = ["log", "debug", "info", "warn", "error", "assert", "dir", "dirxml",
  "group", "groupEnd", "time", "timeEnd", "count", "trace", "profile", "profileEnd"];

  window.console = {};
  for (var i = 0; i < names.length; ++i) {
    window.console[names[i]] = function() {};
  }
}

if (!("console" in window) || !("firebug" in console)) {
  disable_firebug();
}

/*
Script: Core.js
	MooTools - My Object Oriented JavaScript Tools.

License:
	MIT-style license.

Copyright:
	Copyright (c) 2006-2007 [Valerio Proietti](http://mad4milk.net/).

Code & Documentation:
	[The MooTools production team](http://mootools.net/developers/).

Inspiration:
	- Class implementation inspired by [Base.js](http://dean.edwards.name/weblog/2006/03/base/) Copyright (c) 2006 Dean Edwards, [GNU Lesser General Public License](http://opensource.org/licenses/lgpl-license.php)
	- Some functionality inspired by [Prototype.js](http://prototypejs.org) Copyright (c) 2005-2007 Sam Stephenson, [MIT License](http://opensource.org/licenses/mit-license.php)
*/

var MooTools = {
	'version': '1.2dev',
	'build': '%build%'
};
      
var Native = function(options){
	options = options || {};

	var afterImplement = options.afterImplement || function(){};
	var generics = options.generics;
	generics = (generics !== false);
	var legacy = options.legacy;
	var initialize = options.initialize;
	var protect = options.protect;
	var name = options.name;

	var object = initialize || legacy;

	object.constructor = Native;
	object.$family = {name: 'native'};
	if (legacy && initialize) object.prototype = legacy.prototype;
	object.prototype.constructor = object;

	if (name){
		var family = name.toLowerCase();
		object.prototype.$family = {name: family};
		Native.typize(object, family);
	}

	var add = function(obj, name, method, force){
		if (!protect || force || !obj.prototype[name]) obj.prototype[name] = method;
		if (generics) Native.genericize(obj, name, protect);
		afterImplement.call(obj, name, method);
		return obj;
	};
	
	object.implement = function(a1, a2, a3){
		if (typeof a1 == 'string') return add(this, a1, a2, a3);
		for (var p in a1) add(this, p, a1[p], a2);
		return this;
	};
	
	object.alias = function(a1, a2, a3){
		if (typeof a1 == 'string'){
			a1 = this.prototype[a1];
			if (a1) add(this, a2, a1, a3);
		} else {
			for (var a in a1) this.alias(a, a1[a], a2);
		}
		return this;
	};

	return object;
};

Native.implement = function(objects, properties){
	for (var i = 0, l = objects.length; i < l; i++) objects[i].implement(properties);
};

Native.genericize = function(object, property, check){
	if ((!check || !object[property]) && typeof object.prototype[property] == 'function') object[property] = function(){
		var args = Array.prototype.slice.call(arguments);
		return object.prototype[property].apply(args.shift(), args);
	};
};

Native.typize = function(object, family){
	if (!object.type) object.type = function(item){
		return ($type(item) === family);
	};
};

Native.alias = function(objects, a1, a2, a3){
	for (var i = 0, j = objects.length; i < j; i++) objects[i].alias(a1, a2, a3);
};

(function(objects){
	for (var name in objects) Native.typize(objects[name], name);
})({'boolean': Boolean, 'native': Native, 'object': Object});

(function(objects){
	for (var name in objects) new Native({name: name, initialize: objects[name], protect: true});
})({'String': String, 'Function': Function, 'Number': Number, 'Array': Array, 'RegExp': RegExp, 'Date': Date});

(function(object, methods){
	for (var i = methods.length; i--; i) Native.genericize(object, methods[i], true);
	return arguments.callee;
})
(Array, ['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift', 'concat', 'join', 'slice', 'toString', 'valueOf', 'indexOf', 'lastIndexOf'])
(String, ['charAt', 'charCodeAt', 'concat', 'indexOf', 'lastIndexOf', 'match', 'replace', 'search', 'slice', 'split', 'substr', 'substring', 'toLowerCase', 'toUpperCase', 'valueOf']);

function $chk(obj){
	return !!(obj || obj === 0);
};

function $clear(timer){
	clearTimeout(timer);
	clearInterval(timer);
	return null;
};

function $defined(obj){
	return (obj != undefined);
};

function $empty(){};

function $arguments(i){
	return function(){
		return arguments[i];
	};
};

function $lambda(value){
	return (typeof value == 'function') ? value : function(){
		return value;
	};
};

function $extend(original, extended){
	for (var key in (extended || {})) original[key] = extended[key];
	return original;
};

function $unlink(object){
	var unlinked;
	
	switch ($type(object)){
		case 'object':
			unlinked = {};
			for (var p in object) unlinked[p] = $unlink(object[p]);
		break;
		case 'hash':
			unlinked = $unlink(object.getClean());
		break;
		case 'array':
			unlinked = [];
			for (var i = 0, l = object.length; i < l; i++) unlinked[i] = $unlink(object[i]);
		break;
		default: return object;
	}
	
	return unlinked;
};

function $merge(){
	var mix = {};
	for (var i = 0, l = arguments.length; i < l; i++){
		var object = arguments[i];
		if ($type(object) != 'object') continue;
		for (var key in object){
			var op = object[key], mp = mix[key];
			mix[key] = (mp && $type(op) == 'object' && $type(mp) == 'object') ? $merge(mp, op) : $unlink(op);
		}
	}
	return mix;
};

function $pick(){
	for (var i = 0, l = arguments.length; i < l; i++){
		if (arguments[i] != undefined) return arguments[i];
	}
	return null;
};

function $random(min, max){
	return Math.floor(Math.random() * (max - min + 1) + min);
};

function $splat(obj){
	var type = $type(obj);
	return (type) ? ((type != 'array' && type != 'arguments') ? [obj] : obj) : [];
};

var $time = Date.now || function(){
	return new Date().getTime();
};

function $try(){
	for (var i = 0, l = arguments.length; i < l; i++){
		try {
			return arguments[i]();
		} catch(e){}
	}
	return null;
};

function $type(obj){
	if (obj == undefined) return false;
	if (obj.$family) return (obj.$family.name == 'number' && !isFinite(obj)) ? false : obj.$family.name;
	if (obj.nodeName){
		switch (obj.nodeType){
			case 1: return 'element';
			case 3: return (/\S/).test(obj.nodeValue) ? 'textnode' : 'whitespace';
		}
	} else if (typeof obj.length == 'number'){
		if (obj.callee) return 'arguments';
		else if (obj.item) return 'collection';
	}
	return typeof obj;
};

var Hash = new Native({

	name: 'Hash',

	initialize: function(object){
		if ($type(object) == 'hash') object = $unlink(object.getClean());
		for (var key in object) this[key] = object[key];
		return this;
	}

});

Hash.implement({
	
	getLength: function(){
		var length = 0;
		for (var key in this){
			if (this.hasOwnProperty(key)) length++;
		}
		return length;
	},

	forEach: function(fn, bind){
		for (var key in this){
			if (this.hasOwnProperty(key)) fn.call(bind, this[key], key, this);
		}
	},
	
	getClean: function(){
		var clean = {};
		for (var key in this){
			if (this.hasOwnProperty(key)) clean[key] = this[key];
		}
		return clean;
	}

});

Hash.alias('forEach', 'each');

function $H(object){
	return new Hash(object);
};

Array.implement({

	forEach: function(fn, bind){
		for (var i = 0, l = this.length; i < l; i++) fn.call(bind, this[i], i, this);
	}

});

Array.alias('forEach', 'each');

function $A(iterable){
	if (iterable.item){
		var array = [];
		for (var i = 0, l = iterable.length; i < l; i++) array[i] = iterable[i];
		return array;
	}
	return Array.prototype.slice.call(iterable);
};

function $each(iterable, fn, bind){
	var type = $type(iterable);
	((type == 'arguments' || type == 'collection' || type == 'array') ? Array : Hash).each(iterable, fn, bind);
};


/*
Script: Browser.js
	The Browser Core. Contains Browser initialization, Window and Document, and the Browser Hash.

License:
	MIT-style license.
*/

var Browser = new Hash({
	Engine: {name: 'unknown', version: ''},
	Platform: {name: (navigator.platform.match(/mac|win|linux/i) || ['other'])[0].toLowerCase()},
	Features: {xpath: !!(document.evaluate), air: !!(window.runtime)},
	Plugins: {}
});

if (window.opera) Browser.Engine = {name: 'presto', version: (document.getElementsByClassName) ? 950 : 925};
else if (window.ActiveXObject) Browser.Engine = {name: 'trident', version: (window.XMLHttpRequest) ? 5 : 4};
else if (!navigator.taintEnabled) Browser.Engine = {name: 'webkit', version: (Browser.Features.xpath) ? 420 : 419};
else if (document.getBoxObjectFor != null) Browser.Engine = {name: 'gecko', version: (document.getElementsByClassName) ? 19 : 18};
Browser.Engine[Browser.Engine.name] = Browser.Engine[Browser.Engine.name + Browser.Engine.version] = true;

if (window.orientation != undefined) Browser.Platform.name = 'ipod';

Browser.Platform[Browser.Platform.name] = true;

Browser.Request = function(){
	return $try(function(){
		return new XMLHttpRequest();
	}, function(){
		return new ActiveXObject('MSXML2.XMLHTTP');
	});
};

Browser.Features.xhr = !!(Browser.Request());

Browser.Plugins.Flash = (function(){
	var version = ($try(function(){
		return navigator.plugins['Shockwave Flash'].description;
	}, function(){
		return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
	}) || '0 r0').match(/\d+/g);
	return {version: parseInt(version[0] || 0 + '.' + version[1] || 0, 10), build: parseInt(version[2] || 0, 10)};
})();

function $exec(text){
	if (!text) return text;
	if (window.execScript){
		window.execScript(text);
	} else {
		var script = document.createElement('script');
		script.setAttribute('type', 'text/javascript');
		script.text = text;
		document.head.appendChild(script);
		document.head.removeChild(script);
	}
	return text;
};

Native.UID = 1;

var $uid = (Browser.Engine.trident) ? function(item){
	return (item.uid || (item.uid = [Native.UID++]))[0];
} : function(item){
	return item.uid || (item.uid = Native.UID++);
};

var Window = new Native({

	name: 'Window',

	legacy: (Browser.Engine.trident) ? null: window.Window,

	initialize: function(win){
		$uid(win);
		if (!win.Element){
			win.Element = $empty;
			if (Browser.Engine.webkit) win.document.createElement("iframe"); //fixes safari 2
			win.Element.prototype = (Browser.Engine.webkit) ? window["[[DOMElement.prototype]]"] : {};
		}
		return $extend(win, Window.Prototype);
	},

	afterImplement: function(property, value){
		window[property] = Window.Prototype[property] = value;
	}

});

Window.Prototype = {$family: {name: 'window'}};

new Window(window);

var Document = new Native({

	name: 'Document',

	legacy: (Browser.Engine.trident) ? null: window.Document,

	initialize: function(doc){
		$uid(doc);
		doc.head = doc.getElementsByTagName('head')[0];
		doc.html = doc.getElementsByTagName('html')[0];
		doc.window = doc.defaultView || doc.parentWindow;
		if (Browser.Engine.trident4) $try(function(){
			doc.execCommand("BackgroundImageCache", false, true);
		});
		return $extend(doc, Document.Prototype);
	},

	afterImplement: function(property, value){
		document[property] = Document.Prototype[property] = value;
	}

});

Document.Prototype = {$family: {name: 'document'}};

new Document(document);

/*
Script: Array.js
	Contains Array Prototypes like copy, each, contains, and remove.

License:
	MIT-style license.
*/

Array.implement({

	every: function(fn, bind){
		for (var i = 0, l = this.length; i < l; i++){
			if (!fn.call(bind, this[i], i, this)) return false;
		}
		return true;
	},

	filter: function(fn, bind){
		var results = [];
		for (var i = 0, l = this.length; i < l; i++){
			if (fn.call(bind, this[i], i, this)) results.push(this[i]);
		}
		return results;
	},
	
	clean: function() {
		return this.filter($defined);
	},

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

	map: function(fn, bind){
		var results = [];
		for (var i = 0, l = this.length; i < l; i++) results[i] = fn.call(bind, this[i], i, this);
		return results;
	},

	some: function(fn, bind){
		for (var i = 0, l = this.length; i < l; i++){
			if (fn.call(bind, this[i], i, this)) return true;
		}
		return false;
	},

	associate: function(keys){
		var obj = {}, length = Math.min(this.length, keys.length);
		for (var i = 0; i < length; i++) obj[keys[i]] = this[i];
		return obj;
	},

	link: function(object){
		var result = {};
		for (var i = 0, l = this.length; i < l; i++){
			for (var key in object){
				if (object[key](this[i])){
					result[key] = this[i];
					delete object[key];
					break;
				}
			}
		}
		return result;
	},

	contains: function(item, from){
		return this.indexOf(item, from) != -1;
	},

	extend: function(array){
		for (var i = 0, j = array.length; i < j; i++) this.push(array[i]);
		return this;
	},

	getLast: function(){
		return (this.length) ? this[this.length - 1] : null;
	},

	getRandom: function(){
		return (this.length) ? this[$random(0, this.length - 1)] : null;
	},

	include: function(item){
		if (!this.contains(item)) this.push(item);
		return this;
	},

	combine: function(array){
		for (var i = 0, l = array.length; i < l; i++) this.include(array[i]);
		return this;
	},

	erase: function(item){
		for (var i = this.length; i--; i){
			if (this[i] === item) this.splice(i, 1);
		}
		return this;
	},

	empty: function(){
		this.length = 0;
		return this;
	},

	flatten: function(){
		var array = [];
		for (var i = 0, l = this.length; i < l; i++){
			var type = $type(this[i]);
			if (!type) continue;
			array = array.concat((type == 'array' || type == 'collection' || type == 'arguments') ? Array.flatten(this[i]) : this[i]);
		}
		return array;
	},

	hexToRgb: function(array){
		if (this.length != 3) return null;
		var rgb = this.map(function(value){
			if (value.length == 1) value += value;
			return value.toInt(16);
		});
		return (array) ? rgb : 'rgb(' + rgb + ')';
	},

	rgbToHex: function(array){
		if (this.length < 3) return null;
		if (this.length == 4 && this[3] == 0 && !array) return 'transparent';
		var hex = [];
		for (var i = 0; i < 3; i++){
			var bit = (this[i] - 0).toString(16);
			hex.push((bit.length == 1) ? '0' + bit : bit);
		}
		return (array) ? hex : '#' + hex.join('');
	}

});

/*
Script: Function.js
	Contains Function Prototypes like create, bind, pass, and delay.

License:
	MIT-style license.
*/

Function.implement({

	extend: function(properties){
		for (var property in properties) this[property] = properties[property];
		return this;
	},

	create: function(options){
		var self = this;
		options = options || {};
		return function(event){
			var args = options.arguments;
			args = (args != undefined) ? $splat(args) : Array.slice(arguments, (options.event) ? 1 : 0);
			if (options.event) args = [event || window.event].extend(args);
			var returns = function(){
				return self.apply(options.bind || null, args);
			};
			if (options.delay) return setTimeout(returns, options.delay);
			if (options.periodical) return setInterval(returns, options.periodical);
			if (options.attempt) return $try(returns);
			return returns();
		};
	},

	pass: function(args, bind){
		return this.create({arguments: args, bind: bind});
	},

	attempt: function(args, bind){
		return this.create({arguments: args, bind: bind, attempt: true})();
	},

	bind: function(bind, args){
		return this.create({bind: bind, arguments: args});
	},

	bindWithEvent: function(bind, args){
		return this.create({bind: bind, event: true, arguments: args});
	},

	delay: function(delay, bind, args){
		return this.create({delay: delay, bind: bind, arguments: args})();
	},

	periodical: function(interval, bind, args){
		return this.create({periodical: interval, bind: bind, arguments: args})();
	},

	run: function(args, bind){
		return this.apply(bind, $splat(args));
	}

});

/*
Script: Number.js
	Contains Number Prototypes like limit, round, times, and ceil.

License:
	MIT-style license.
*/

Number.implement({

	limit: function(min, max){
		return Math.min(max, Math.max(min, this));
	},

	round: function(precision){
		precision = Math.pow(10, precision || 0);
		return Math.round(this * precision) / precision;
	},

	times: function(fn, bind){
		for (var i = 0; i < this; i++) fn.call(bind, i, this);
	},

	toFloat: function(){
		return parseFloat(this);
	},

	toInt: function(base){
		return parseInt(this, base || 10);
	}

});

Number.alias('times', 'each');

(function(math){
	var methods = {};
	math.each(function(name){
		if (!Number[name]) methods[name] = function(){
			return Math[name].apply(null, [this].concat($A(arguments)));
		};
	});
	Number.implement(methods);
})(['abs', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'exp', 'floor', 'log', 'max', 'min', 'pow', 'sin', 'sqrt', 'tan']);

/*
Script: String.js
	Contains String Prototypes like camelCase, capitalize, test, and toInt.

License:
	MIT-style license.
*/

String.implement({

	test: function(regex, params){
		return ((typeof regex == 'string') ? new RegExp(regex, params) : regex).test(this);
	},

	contains: function(string, separator){
		return (separator) ? (separator + this + separator).indexOf(separator + string + separator) > -1 : this.indexOf(string) > -1;
	},

	trim: function(){
		return this.replace(/^\s+|\s+$/g, '');
	},

	clean: function(){
		return this.replace(/\s+/g, ' ').trim();
	},

	camelCase: function(){
		return this.replace(/-\D/g, function(match){
			return match.charAt(1).toUpperCase();
		});
	},

	hyphenate: function(){
		return this.replace(/[A-Z]/g, function(match){
			return ('-' + match.charAt(0).toLowerCase());
		});
	},

	capitalize: function(){
		return this.replace(/\b[a-z]/g, function(match){
			return match.toUpperCase();
		});
	},

	escapeRegExp: function(){
		return this.replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
	},

	toInt: function(base){
		return parseInt(this, base || 10);
	},

	toFloat: function(){
		return parseFloat(this);
	},

	hexToRgb: function(array){
		var hex = this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
		return (hex) ? hex.slice(1).hexToRgb(array) : null;
	},

	rgbToHex: function(array){
		var rgb = this.match(/\d{1,3}/g);
		return (rgb) ? rgb.rgbToHex(array) : null;
	},

	stripScripts: function(option){
		var scripts = '';
		var text = this.replace(/<script[^>]*>([\s\S]*?)<\/script>/gi, function(){
			scripts += arguments[1] + '\n';
			return '';
		});
		if (option === true) $exec(scripts);
		else if ($type(option) == 'function') option(scripts, text);
		return text;
	},

	substitute: function(object, regexp){
		return this.replace(regexp || (/\\?\{([^}]+)\}/g), function(match, name){
			if (match.charAt(0) == '\\') return match.slice(1);
			return (object[name] != undefined) ? object[name] : '';
		});
	}

});

/*
Script: Hash.js
	Contains Hash Prototypes. Provides a means for overcoming the JavaScript practical impossibility of extending native Objects.

License:
	MIT-style license.
*/

Hash.implement({

	has: Object.prototype.hasOwnProperty,

	keyOf: function(value){
		for (var key in this){
			if (this.hasOwnProperty(key) && this[key] === value) return key;
		}
		return null;
	},

	hasValue: function(value){
		return (Hash.keyOf(this, value) !== null);
	},

	extend: function(properties){
		Hash.each(properties, function(value, key){
			Hash.set(this, key, value);
		}, this);
		return this;
	},

	combine: function(properties){
		Hash.each(properties, function(value, key){
			Hash.include(this, key, value);
		}, this);
		return this;
	},

	erase: function(key){
		if (this.hasOwnProperty(key)) delete this[key];
		return this;
	},

	get: function(key){
		return (this.hasOwnProperty(key)) ? this[key] : null;
	},

	set: function(key, value){
		if (!this[key] || this.hasOwnProperty(key)) this[key] = value;
		return this;
	},

	empty: function(){
		Hash.each(this, function(value, key){
			delete this[key];
		}, this);
		return this;
	},

	include: function(key, value){
		var k = this[key];
		if (k == undefined) this[key] = value;
		return this;
	},

	map: function(fn, bind){
		var results = new Hash;
		Hash.each(this, function(value, key){
			results.set(key, fn.call(bind, value, key, this));
		}, this);
		return results;
	},

	filter: function(fn, bind){
		var results = new Hash;
		Hash.each(this, function(value, key){
			if (fn.call(bind, value, key, this)) results.set(key, value);
		}, this);
		return results;
	},

	every: function(fn, bind){
		for (var key in this){
			if (this.hasOwnProperty(key) && !fn.call(bind, this[key], key)) return false;
		}
		return true;
	},

	some: function(fn, bind){
		for (var key in this){
			if (this.hasOwnProperty(key) && fn.call(bind, this[key], key)) return true;
		}
		return false;
	},

	getKeys: function(){
		var keys = [];
		Hash.each(this, function(value, key){
			keys.push(key);
		});
		return keys;
	},

	getValues: function(){
		var values = [];
		Hash.each(this, function(value){
			values.push(value);
		});
		return values;
	},
	
	toQueryString: function(base){
		var queryString = [];
		Hash.each(this, function(value, key){
			if (base) key = base + '[' + key + ']';
			var result;
			switch ($type(value)){
				case 'object': result = Hash.toQueryString(value, key); break;
				case 'array':
					var qs = {};
					value.each(function(val, i){
						qs[i] = val;
					});
					result = Hash.toQueryString(qs, key);
				break;
				default: result = key + '=' + encodeURIComponent(value);
			}
			if (value != undefined) queryString.push(result);
		});
		
		return queryString.join('&');
	}

});

Hash.alias({keyOf: 'indexOf', hasValue: 'contains'});

/*
Script: Event.js
	Contains the Event Native, to make the event object completely crossbrowser.

License:
	MIT-style license.
*/

var Event = new Native({

	name: 'Event',

	initialize: function(event, win){
		win = win || window;
		var doc = win.document;
		event = event || win.event;
		if (event.$extended) return event;
		this.$extended = true;
		var type = event.type;
		var target = event.target || event.srcElement;
		while (target && target.nodeType == 3) target = target.parentNode;
		
		if (type.test(/key/)){
			var code = event.which || event.keyCode;
			var key = Event.Keys.keyOf(code);
			if (type == 'keydown'){
				var fKey = code - 111;
				if (fKey > 0 && fKey < 13) key = 'f' + fKey;
			}
			key = key || String.fromCharCode(code).toLowerCase();
		} else if (type.match(/(click|mouse|menu)/i)){
			doc = (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
			var page = {
				x: event.pageX || event.clientX + doc.scrollLeft,
				y: event.pageY || event.clientY + doc.scrollTop
			};
			var client = {
				x: (event.pageX) ? event.pageX - win.pageXOffset : event.clientX,
				y: (event.pageY) ? event.pageY - win.pageYOffset : event.clientY
			};
			if (type.match(/DOMMouseScroll|mousewheel/)){
				var wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;
			}
			var rightClick = (event.which == 3) || (event.button == 2);
			var related = null;
			if (type.match(/over|out/)){
				switch (type){
					case 'mouseover': related = event.relatedTarget || event.fromElement; break;
					case 'mouseout': related = event.relatedTarget || event.toElement;
				}
				if (!(function(){
					while (related && related.nodeType == 3) related = related.parentNode;
					return true;
				}).create({attempt: Browser.Engine.gecko})()) related = false;
			}
		}

		return $extend(this, {
			event: event,
			type: type,
			
			page: page,
			client: client,
			rightClick: rightClick,
			
			wheel: wheel,
			
			relatedTarget: related,
			target: target,
			
			code: code,
			key: key,
			
			shift: event.shiftKey,
			control: event.ctrlKey,
			alt: event.altKey,
			meta: event.metaKey
		});
	}

});

Event.Keys = new Hash({
	'enter': 13,
	'up': 38,
	'down': 40,
	'left': 37,
	'right': 39,
	'esc': 27,
	'space': 32,
	'backspace': 8,
	'tab': 9,
	'delete': 46
});

Event.implement({

	stop: function(){
		return this.stopPropagation().preventDefault();
	},

	stopPropagation: function(){
		if (this.event.stopPropagation) this.event.stopPropagation();
		else this.event.cancelBubble = true;
		return this;
	},

	preventDefault: function(){
		if (this.event.preventDefault) this.event.preventDefault();
		else this.event.returnValue = false;
		return this;
	}

});

/*
Script: Class.js
	Contains the Class Function for easily creating, extending, and implementing reusable Classes.

License:
	MIT-style license.
*/

var Class = new Native({

	name: 'Class',

	initialize: function(properties){
		properties = properties || {};
		var klass = function(empty){
			for (var key in this) this[key] = $unlink(this[key]);
			for (var mutator in Class.Mutators){
				if (!this[mutator]) continue;
				Class.Mutators[mutator](this, this[mutator]);
				delete this[mutator];
			}

			this.constructor = klass;
			if (empty === $empty) return this;
			
			var self = (this.initialize) ? this.initialize.apply(this, arguments) : this;
			if (this.options && this.options.initialize) this.options.initialize.call(this);
			return self;
		};

		$extend(klass, this);
		klass.constructor = Class;
		klass.prototype = properties;
		return klass;
	}

});

Class.implement({

	implement: function(){
		Class.Mutators.Implements(this.prototype, Array.slice(arguments));
		return this;
	}

});

Class.Mutators = {
  
  Implements: function(self, klasses){
  	$splat(klasses).each(function(klass){
  		$extend(self, ($type(klass) == 'class') ? new klass($empty) : klass);
  	});
  },
  
  Extends: function(self, klass){
  	var instance = new klass($empty);
  	delete instance.parent;
  	delete instance.parentOf;

  	for (var key in instance){
  		var current = self[key], previous = instance[key];
  		if (current == undefined){
  			self[key] = previous;
  			continue;
  		}

  		var ctype = $type(current), ptype = $type(previous);
  		if (ctype != ptype) continue;

  		switch (ctype){
  			case 'function': 
  				// this code will be only executed if the current browser does not support function.caller (currently only opera).
  				// we replace the function code with brute force. Not pretty, but it will only be executed if function.caller is not supported.

  				if (!arguments.callee.caller) self[key] = eval('(' + String(current).replace(/\bthis\.parent\(\s*(\))?/g, function(full, close){
  					return 'arguments.callee._parent_.call(this' + (close || ', ');
  				}) + ')');

  				// end "opera" code
  				self[key]._parent_ = previous;
  			  break;
  			case 'object': self[key] = $merge(previous, current);
  		}

  	}

  	self.parent = function(){
  		return arguments.callee.caller._parent_.apply(this, arguments);
  	};

  	self.parentOf = function(descendant){
  		return descendant._parent_.apply(this, Array.slice(arguments, 1));
  	};
  }
  
};


/*
Script: Class.Extras.js
	Contains Utility Classes that can be implemented into your own Classes to ease the execution of many common tasks.

License:
	MIT-style license.
*/

var Chain = new Class({

	chain: function(){
		this.$chain = (this.$chain || []).extend(arguments);
		return this;
	},

	callChain: function(){
		return (this.$chain && this.$chain.length) ? this.$chain.shift().apply(this, arguments) : false;
	},

	clearChain: function(){
		if (this.$chain) this.$chain.empty();
		return this;
	}

});

var Events = new Class({

	addEvent: function(type, fn, internal){
		type = Events.removeOn(type);
		if (fn != $empty){
			this.$events = this.$events || {};
			this.$events[type] = this.$events[type] || [];
			this.$events[type].include(fn);
			if (internal) fn.internal = true;
		}
		return this;
	},

	addEvents: function(events){
		for (var type in events) this.addEvent(type, events[type]);
		return this;
	},

	fireEvent: function(type, args, delay){
		type = Events.removeOn(type);
		if (!this.$events || !this.$events[type]) return this;
		this.$events[type].each(function(fn){
			fn.create({'bind': this, 'delay': delay, 'arguments': args})();
		}, this);
		return this;
	},

	removeEvent: function(type, fn){
		type = Events.removeOn(type);
		if (!this.$events || !this.$events[type]) return this;
		if (!fn.internal) this.$events[type].erase(fn);
		return this;
	},

	removeEvents: function(type){
		for (var e in this.$events){
			if (type && type != e) continue;
			var fns = this.$events[e];
			for (var i = fns.length; i--; i) this.removeEvent(e, fns[i]);
		}
		return this;
	}

});

Events.removeOn = function(string){
	return string.replace(/^on([A-Z])/, function(full, first) {
		return first.toLowerCase();
	});
};

var Options = new Class({

	setOptions: function(){
		this.options = $merge.run([this.options].extend(arguments));
		if (!this.addEvent) return this;
		for (var option in this.options){
			if ($type(this.options[option]) != 'function' || !(/^on[A-Z]/).test(option)) continue;
			this.addEvent(option, this.options[option]);
			delete this.options[option];
		}
		return this;
	}

});

/*
Script: Element.js
	One of the most important items in MooTools. Contains the dollar function, the dollars function, and an handful of cross-browser,
	time-saver methods to let you easily work with HTML Elements.

License:
	MIT-style license.
*/

Document.implement({

	newElement: function(tag, props){
		if (Browser.Engine.trident && props){
			['name', 'type', 'checked'].each(function(attribute){
				if (!props[attribute]) return;
				tag += ' ' + attribute + '="' + props[attribute] + '"';
				if (attribute != 'checked') delete props[attribute];
			});
			tag = '<' + tag + '>';
		}
		return $.element(this.createElement(tag)).set(props);
	},

	newTextNode: function(text){
		return this.createTextNode(text);
	},

	getDocument: function(){
		return this;
	},

	getWindow: function(){
		return this.defaultView || this.parentWindow;
	},

	purge: function(){
		var elements = this.getElementsByTagName('*');
		for (var i = 0, l = elements.length; i < l; i++) Browser.freeMem(elements[i]);
	}

});

var Element = new Native({

	name: 'Element',

	legacy: window.Element,

	initialize: function(tag, props){
		var konstructor = Element.Constructors.get(tag);
		if (konstructor) return konstructor(props);
		if (typeof tag == 'string') return document.newElement(tag, props);
		return $(tag).set(props);
	},

	afterImplement: function(key, value){
		if (!Array[key]) Elements.implement(key, Elements.multi(key));
		Element.Prototype[key] = value;
	}

});

Element.Prototype = {$family: {name: 'element'}};

Element.Constructors = new Hash;

var IFrame = new Native({

	name: 'IFrame',

	generics: false,

	initialize: function(){
		var params = Array.link(arguments, {properties: Object.type, iframe: $defined});
		var props = params.properties || {};
		var iframe = $(params.iframe) || false;
		var onload = props.onload || $empty;
		delete props.onload;
		props.id = props.name = $pick(props.id, props.name, iframe.id, iframe.name, 'IFrame_' + $time());
		iframe = new Element(iframe || 'iframe', props);
		var onFrameLoad = function(){
			var host = $try(function(){
				return iframe.contentWindow.location.host;
			});
			if (host && host == window.location.host){
				var win = new Window(iframe.contentWindow);
				var doc = new Document(iframe.contentWindow.document);
				$extend(win.Element.prototype, Element.Prototype);
			}
			onload.call(iframe.contentWindow, iframe.contentWindow.document);
		};
		(!window.frames[props.id]) ? iframe.addListener('load', onFrameLoad) : onFrameLoad();
		return iframe;
	}

});

var Elements = new Native({

	initialize: function(elements, options){
		options = $extend({ddup: true, cash: true}, options);
		elements = elements || [];
		if (options.ddup || options.cash){
			var uniques = {}, returned = [];
			for (var i = 0, l = elements.length; i < l; i++){
				var el = $.element(elements[i], !options.cash);
				if (options.ddup){
					if (uniques[el.uid]) continue;
					uniques[el.uid] = true;
				}
				returned.push(el);
			}
			elements = returned;
		}
		return (options.cash) ? $extend(elements, this) : elements;
	}

});

Elements.implement({

	filter: function(filter, bind){
		if (!filter) return this;
		return new Elements(Array.filter(this, (typeof filter == 'string') ? function(item){
			return item.match(filter);
		} : filter, bind));
	}

});

Elements.multi = function(property){
	return function(){
		var items = [];
		var elements = true;
		for (var i = 0, j = this.length; i < j; i++){
			var returns = this[i][property].apply(this[i], arguments);
			items.push(returns);
			if (elements) elements = ($type(returns) == 'element');
		}
		return (elements) ? new Elements(items) : items;
	};
};

Window.implement({

	$: function(el, nocash){
		if (el && el.$family && el.uid) return el;
		var type = $type(el);
		return ($[type]) ? $[type](el, nocash, this.document) : null;
	},

	$$: function(selector){
		if (arguments.length == 1 && typeof selector == 'string') return this.document.getElements(selector);
		var elements = [];
		var args = Array.flatten(arguments);
		for (var i = 0, l = args.length; i < l; i++){
			var item = args[i];
			switch ($type(item)){
				case 'element': item = [item]; break;
				case 'string': item = this.document.getElements(item, true); break;
				default: item = false;
			}
			if (item) elements.extend(item);
		}
		return new Elements(elements);
	},

	getDocument: function(){
		return this.document;
	},

	getWindow: function(){
		return this;
	}

});

$.string = function(id, nocash, doc){
	id = doc.getElementById(id);
	return (id) ? $.element(id, nocash) : null;
};

$.element = function(el, nocash){
	$uid(el);
	if (!nocash && !el.$family && !(/^object|embed$/i).test(el.tagName)){
		var proto = Element.Prototype;
		for (var p in proto) el[p] = proto[p];
	};
	return el;
};

$.object = function(obj, nocash, doc){
	if (obj.toElement) return $.element(obj.toElement(doc), nocash);
	return null;
};

$.textnode = $.whitespace = $.window = $.document = $arguments(0);

Native.implement([Element, Document], {

	getElement: function(selector, nocash){
		return $(this.getElements(selector, true)[0] || null, nocash);
	},

	getElements: function(tags, nocash){
		tags = tags.split(',');
		var elements = [];
		var ddup = (tags.length > 1);
		tags.each(function(tag){
			var partial = this.getElementsByTagName(tag.trim());
			(ddup) ? elements.extend(partial) : elements = partial;
		}, this);
		return new Elements(elements, {ddup: ddup, cash: !nocash});
	}

});

Element.Storage = {

	get: function(uid){
		return (this[uid] || (this[uid] = {}));
	}

};

Element.Inserters = new Hash({

	before: function(context, element){
		if (element.parentNode) element.parentNode.insertBefore(context, element);
	},

	after: function(context, element){
		if (!element.parentNode) return;
		var next = element.nextSibling;
		(next) ? element.parentNode.insertBefore(context, next) : element.parentNode.appendChild(context);
	},

	bottom: function(context, element){
		element.appendChild(context);
	},

	top: function(context, element){
		var first = element.firstChild;
		(first) ? element.insertBefore(context, first) : element.appendChild(context);
	}

});

Element.Inserters.inside = Element.Inserters.bottom;

Element.Inserters.each(function(value, key){

	var Key = key.capitalize();

	Element.implement('inject' + Key, function(el){
		value(this, $(el, true));
		return this;
	});

	Element.implement('grab' + Key, function(el){
		value($(el, true), this);
		return this;
	});

});

Element.implement({

	getDocument: function(){
		return this.ownerDocument;
	},

	getWindow: function(){
		return this.ownerDocument.getWindow();
	},

	getElementById: function(id, nocash){
		var el = this.ownerDocument.getElementById(id);
		if (!el) return null;
		for (var parent = el.parentNode; parent != this; parent = parent.parentNode){
			if (!parent) return null;
		}
		return $.element(el, nocash);
	},

	set: function(prop, value){
		switch ($type(prop)){
			case 'object':
				for (var p in prop) this.set(p, prop[p]);
				break;
			case 'string':
				var property = Element.Properties.get(prop);
				(property && property.set) ? property.set.apply(this, Array.slice(arguments, 1)) : this.setProperty(prop, value);
		}
		return this;
	},

	get: function(prop){
		var property = Element.Properties.get(prop);
		return (property && property.get) ? property.get.apply(this, Array.slice(arguments, 1)) : this.getProperty(prop);
	},

	erase: function(prop){
		var property = Element.Properties.get(prop);
		(property && property.erase) ? property.erase.apply(this, Array.slice(arguments, 1)) : this.removeProperty(prop);
		return this;
	},

	match: function(tag){
		return (!tag || Element.get(this, 'tag') == tag);
	},

	inject: function(el, where){
		Element.Inserters.get(where || 'bottom')(this, $(el, true));
		return this;
	},

	wraps: function(el, where){
		el = $(el, true);
		return this.replaces(el).grab(el, where);
	},

	grab: function(el, where){
		Element.Inserters.get(where || 'bottom')($(el, true), this);
		return this;
	},

	appendText: function(text, where){
		return this.grab(this.getDocument().newTextNode(text), where);
	},

	adopt: function(){
		Array.flatten(arguments).each(function(element){
			element = $(element, true);
			if (element) this.appendChild(element);
		}, this);
		return this;
	},

	dispose: function(){
		return (this.parentNode) ? this.parentNode.removeChild(this) : this;
	},

	clone: function(contents, keepid){
		switch ($type(this)){
			case 'element':
				var attributes = {};
				for (var j = 0, l = this.attributes.length; j < l; j++){
					var attribute = this.attributes[j], key = attribute.nodeName.toLowerCase();
					if (Browser.Engine.trident && (/input/i).test(this.tagName) && (/width|height/).test(key)) continue;
					var value = (key == 'style' && this.style) ? this.style.cssText : attribute.nodeValue;
					if (!$chk(value) || key == 'uid' || (key == 'id' && !keepid)) continue;
					if (value != 'inherit' && ['string', 'number'].contains($type(value))) attributes[key] = value;
				}
				var element = new Element(this.nodeName.toLowerCase(), attributes);
				if (contents !== false){
					for (var i = 0, k = this.childNodes.length; i < k; i++){
						var child = Element.clone(this.childNodes[i], true, keepid);
						if (child) element.grab(child);
					}
				}
				return element;
			case 'textnode': return document.newTextNode(this.nodeValue);
		}
		return null;
	},

	replaces: function(el){
		el = $(el, true);
		el.parentNode.replaceChild(this, el);
		return this;
	},

	hasClass: function(className){
		return this.className.contains(className, ' ');
	},

	addClass: function(className){
		if (!this.hasClass(className)) this.className = (this.className + ' ' + className).clean();
		return this;
	},

	removeClass: function(className){
		this.className = this.className.replace(new RegExp('(^|\\s)' + className + '(?:\\s|$)'), '$1').clean();
		return this;
	},

	toggleClass: function(className){
		return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);
	},

	getComputedStyle: function(property){
		if (this.currentStyle) return this.currentStyle[property.camelCase()];
		var computed = this.getWindow().getComputedStyle(this, null);
		return (computed) ? computed.getPropertyValue([property.hyphenate()]) : null;
	},

	empty: function(){
		$A(this.childNodes).each(function(node){
			Browser.freeMem(node);
			Element.empty(node);
			Element.dispose(node);
		}, this);
		return this;
	},

	destroy: function(){
		Browser.freeMem(this.empty().dispose());
		return null;
	},

	getSelected: function(){
		return new Elements($A(this.options).filter(function(option){
			return option.selected;
		}));
	},

	toQueryString: function(){
		var queryString = [];
		this.getElements('input, select, textarea').each(function(el){
			if (!el.name || el.disabled) return;
			var value = (el.tagName.toLowerCase() == 'select') ? Element.getSelected(el).map(function(opt){
				return opt.value;
			}) : ((el.type == 'radio' || el.type == 'checkbox') && !el.checked) ? null : el.value;
			$splat(value).each(function(val){
				if (val) queryString.push(el.name + '=' + encodeURIComponent(val));
			});
		});
		return queryString.join('&');
	},

	getProperty: function(attribute){
		var EA = Element.Attributes, key = EA.Props[attribute];
		var value = (key) ? this[key] : this.getAttribute(attribute, 2);
		return (EA.Bools[attribute]) ? !!value : (key) ? value : value || null;
	},

	getProperties: function(){
		var args = $A(arguments);
		return args.map(function(attr){
			return this.getProperty(attr);
		}, this).associate(args);
	},

	setProperty: function(attribute, value){
		var EA = Element.Attributes, key = EA.Props[attribute], hasValue = $defined(value);
		if (key && EA.Bools[attribute]) value = (value || !hasValue) ? true : false;
		else if (!hasValue) return this.removeProperty(attribute);
		(key) ? this[key] = value : this.setAttribute(attribute, value);
		return this;
	},

	setProperties: function(attributes){
		for (var attribute in attributes) this.setProperty(attribute, attributes[attribute]);
		return this;
	},

	removeProperty: function(attribute){
		var EA = Element.Attributes, key = EA.Props[attribute], isBool = (key && EA.Bools[attribute]);
		(key) ? this[key] = (isBool) ? false : '' : this.removeAttribute(attribute);
		return this;
	},

	removeProperties: function(){
		Array.each(arguments, this.removeProperty, this);
		return this;
	}

});

(function(){

var walk = function(element, walk, start, match, all, nocash){
	var el = element[start || walk];
	var elements = [];
	while (el){
		if (el.nodeType == 1 && (!match || Element.match(el, match))){
			elements.push(el);
			if (!all) break;
		}
		el = el[walk];
	}
	return (all) ? new Elements(elements, {ddup: false, cash: !nocash}) : $(elements[0], nocash);
};

Element.implement({

	getPrevious: function(match, nocash){
		return walk(this, 'previousSibling', null, match, false, nocash);
	},

	getAllPrevious: function(match, nocash){
		return walk(this, 'previousSibling', null, match, true, nocash);
	},

	getNext: function(match, nocash){
		return walk(this, 'nextSibling', null, match, false, nocash);
	},

	getAllNext: function(match, nocash){
		return walk(this, 'nextSibling', null, match, true, nocash);
	},

	getFirst: function(match, nocash){
		return walk(this, 'nextSibling', 'firstChild', match, false, nocash);
	},

	getLast: function(match, nocash){
		return walk(this, 'previousSibling', 'lastChild', match, false, nocash);
	},

	getParent: function(match, nocash){
		return walk(this, 'parentNode', null, match, false, nocash);
	},

	getParents: function(match, nocash){
		return walk(this, 'parentNode', null, match, true, nocash);
	},

	getChildren: function(match, nocash){
		return walk(this, 'nextSibling', 'firstChild', match, true, nocash);
	},

	hasChild: function(el){
		el = $(el, true);
		return (!!el && $A(this.getElementsByTagName(el.tagName)).contains(el));
	}

});

})();

Element.Properties = new Hash;

Element.Properties.style = {

	set: function(style){
		this.style.cssText = style;
	},

	get: function(){
		return this.style.cssText;
	},

	erase: function(){
		this.style.cssText = '';
	}

};

Element.Properties.tag = {get: function(){
	return this.tagName.toLowerCase();
}};

Element.Properties.href = {get: function(){
	return (!this.href) ? null : this.href.replace(new RegExp('^' + document.location.protocol + '\/\/' + document.location.host), '');
}};

Element.Properties.html = {set: function(){
	return this.innerHTML = Array.flatten(arguments).join('');
}};

Native.implement([Element, Window, Document], {

	addListener: function(type, fn){
		if (this.addEventListener) this.addEventListener(type, fn, false);
		else this.attachEvent('on' + type, fn);
		return this;
	},

	removeListener: function(type, fn){
		if (this.removeEventListener) this.removeEventListener(type, fn, false);
		else this.detachEvent('on' + type, fn);
		return this;
	},

	retrieve: function(property, dflt){
		var storage = Element.Storage.get(this.uid);
		var prop = storage[property];
		if ($defined(dflt) && !$defined(prop)) prop = storage[property] = dflt;
		return $pick(prop);
	},

	store: function(property, value){
		var storage = Element.Storage.get(this.uid);
		storage[property] = value;
		return this;
	},

	eliminate: function(property){
		var storage = Element.Storage.get(this.uid);
		delete storage[property];
		return this;
	}

});

Element.Attributes = new Hash({
	Props: {'html': 'innerHTML', 'class': 'className', 'for': 'htmlFor', 'text': (Browser.Engine.trident) ? 'innerText' : 'textContent'},
	Bools: ['compact', 'nowrap', 'ismap', 'declare', 'noshade', 'checked', 'disabled', 'readonly', 'multiple', 'selected', 'noresize', 'defer'],
	Camels: ['value', 'accessKey', 'cellPadding', 'cellSpacing', 'colSpan', 'frameBorder', 'maxLength', 'readOnly', 'rowSpan', 'tabIndex', 'useMap']
});

Browser.freeMem = function(item){
	if (!item) return;
	if (Browser.Engine.trident && (/object/i).test(item.tagName)){
		for (var p in item){
			if (typeof item[p] == 'function') item[p] = $empty;
		}
		Element.dispose(item);
	}
	if (item.uid && item.removeEvents) item.removeEvents();
};

(function(EA){

	var EAB = EA.Bools, EAC = EA.Camels;
	EA.Bools = EAB = EAB.associate(EAB);
	Hash.extend(Hash.combine(EA.Props, EAB), EAC.associate(EAC.map(function(v){
		return v.toLowerCase();
	})));
	EA.erase('Camels');

})(Element.Attributes);

window.addListener('unload', function(){
	window.removeListener('unload', arguments.callee);
	document.purge();
	if (Browser.Engine.trident) CollectGarbage();
});

/*
Script: Element.Event.js
	Contains Element methods for dealing with events, and custom Events.

License:
	MIT-style license.
*/

Element.Properties.events = {set: function(events){
	this.addEvents(events);
}};

Native.implement([Element, Window, Document], {

	addEvent: function(type, fn){
		var events = this.retrieve('events', {});
		events[type] = events[type] || {'keys': [], 'values': []};
		if (events[type].keys.contains(fn)) return this;
		events[type].keys.push(fn);
		var realType = type, custom = Element.Events.get(type), condition = fn, self = this;
		if (custom){
			if (custom.onAdd) custom.onAdd.call(this, fn);
			if (custom.condition){
				condition = function(event){
					if (custom.condition.call(this, event)) return fn.call(this, event);
					return false;
				};
			}
			realType = custom.base || realType;
		}
		var defn = function(){
			return fn.call(self);
		};
		var nativeEvent = Element.NativeEvents[realType] || 0;
		if (nativeEvent){
			if (nativeEvent == 2){
				defn = function(event){
					event = new Event(event, self.getWindow());
					if (condition.call(self, event) === false) event.stop();
				};
			}
			this.addListener(realType, defn);
		}
		events[type].values.push(defn);
		return this;
	},

	removeEvent: function(type, fn){
		var events = this.retrieve('events');
		if (!events || !events[type]) return this;
		var pos = events[type].keys.indexOf(fn);
		if (pos == -1) return this;
		var key = events[type].keys.splice(pos, 1)[0];
		var value = events[type].values.splice(pos, 1)[0];
		var custom = Element.Events.get(type);
		if (custom){
			if (custom.onRemove) custom.onRemove.call(this, fn);
			type = custom.base || type;
		}
		return (Element.NativeEvents[type]) ? this.removeListener(type, value) : this;
	},

	addEvents: function(events){
		for (var event in events) this.addEvent(event, events[event]);
		return this;
	},

	removeEvents: function(type){
		var events = this.retrieve('events');
		if (!events) return this;
		if (!type){
			for (var evType in events) this.removeEvents(evType);
			events = null;
		} else if (events[type]){
			while (events[type].keys[0]) this.removeEvent(type, events[type].keys[0]);
			events[type] = null;
		}
		return this;
	},

	fireEvent: function(type, args, delay){
		var events = this.retrieve('events');
		if (!events || !events[type]) return this;
		events[type].keys.each(function(fn){
			fn.create({'bind': this, 'delay': delay, 'arguments': args})();
		}, this);
		return this;
	},

	cloneEvents: function(from, type){
		from = $(from);
		var fevents = from.retrieve('events');
		if (!fevents) return this;
		if (!type){
			for (var evType in fevents) this.cloneEvents(from, evType);
		} else if (fevents[type]){
			fevents[type].keys.each(function(fn){
				this.addEvent(type, fn);
			}, this);
		}
		return this;
	}

});

Element.NativeEvents = {
	click: 2, dblclick: 2, mouseup: 2, mousedown: 2, contextmenu: 2, //mouse buttons
	mousewheel: 2, DOMMouseScroll: 2, //mouse wheel
	mouseover: 2, mouseout: 2, mousemove: 2, selectstart: 2, selectend: 2, //mouse movement
	keydown: 2, keypress: 2, keyup: 2, //keyboard
	focus: 2, blur: 2, change: 2, reset: 2, select: 2, submit: 2, //form elements
	load: 1, unload: 1, beforeunload: 2, resize: 1, move: 1, DOMContentLoaded: 1, readystatechange: 1, //window
	error: 1, abort: 1, scroll: 1 //misc
};

(function(){

var $check = function(event){
	var related = event.relatedTarget;
	if (related == undefined) return true;
	if (related === false) return false;
	return ($type(this) != 'document' && related != this && related.prefix != 'xul' && !this.hasChild(related));
};

Element.Events = new Hash({

	mouseenter: {
		base: 'mouseover',
		condition: $check
	},

	mouseleave: {
		base: 'mouseout',
		condition: $check
	},

	mousewheel: {
		base: (Browser.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel'
	}

});

})();

/*
Script: Element.Style.js
	Contains methods for interacting with the styles of Elements in a fashionable way.

License:
	MIT-style license.
*/

Element.Properties.styles = {set: function(styles){
	this.setStyles(styles);
}};

Element.Properties.opacity = {

	set: function(opacity, novisibility){
		if (!novisibility){
			if (opacity == 0){
				if (this.style.visibility != 'hidden') this.style.visibility = 'hidden';
			} else {
				if (this.style.visibility != 'visible') this.style.visibility = 'visible';
			}
		}
		if (!this.currentStyle || !this.currentStyle.hasLayout) this.style.zoom = 1;
		if (Browser.Engine.trident) this.style.filter = (opacity == 1) ? '' : 'alpha(opacity=' + opacity * 100 + ')';
		this.style.opacity = opacity;
		this.store('opacity', opacity);
	},

	get: function(){
		return this.retrieve('opacity', 1);
	}

};

Element.implement({
	
	setOpacity: function(value){
		return this.set('opacity', value, true);
	},
	
	getOpacity: function(){
		return this.get('opacity');
	},

	setStyle: function(property, value){
		switch (property){
			case 'opacity': return this.set('opacity', parseFloat(value));
			case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';
		}
		property = property.camelCase();
		if ($type(value) != 'string'){
			var map = (Element.Styles.get(property) || '@').split(' ');
			value = $splat(value).map(function(val, i){
				if (!map[i]) return '';
				return ($type(val) == 'number') ? map[i].replace('@', Math.round(val)) : val;
			}).join(' ');
		} else if (value == String(Number(value))){
			value = Math.round(value);
		}
		this.style[property] = value;
		return this;
	},

	getStyle: function(property){
		switch (property){
			case 'opacity': return this.get('opacity');
			case 'float': property = (Browser.Engine.trident) ? 'styleFloat' : 'cssFloat';
		}
		property = property.camelCase();
		var result = this.style[property];
		if (!$chk(result)){
			result = [];
			for (var style in Element.ShortStyles){
				if (property != style) continue;
				for (var s in Element.ShortStyles[style]) result.push(this.getStyle(s));
				return result.join(' ');
			}
			result = this.getComputedStyle(property);
		}
		if (result){
			result = String(result);
			var color = result.match(/rgba?\([\d\s,]+\)/);
			if (color) result = result.replace(color[0], color[0].rgbToHex());
		}
		if (Browser.Engine.presto || (Browser.Engine.trident && !$chk(parseInt(result, 10)))){
			if (property.test(/^(height|width)$/)){
				var values = (property == 'width') ? ['left', 'right'] : ['top', 'bottom'], size = 0;
				values.each(function(value){
					size += this.getStyle('border-' + value + '-width').toInt() + this.getStyle('padding-' + value).toInt();
				}, this);
				return this['offset' + property.capitalize()] - size + 'px';
			}
			if (Browser.Engine.presto && String(result).test('px')) return result;
			if (property.test(/(border(.+)Width|margin|padding)/)) return '0px';
		}
		return result;
	},

	setStyles: function(styles){
		for (var style in styles) this.setStyle(style, styles[style]);
		return this;
	},

	getStyles: function(){
		var result = {};
		Array.each(arguments, function(key){
			result[key] = this.getStyle(key);
		}, this);
		return result;
	}

});

Element.Styles = new Hash({
	left: '@px', top: '@px', bottom: '@px', right: '@px',
	width: '@px', height: '@px', maxWidth: '@px', maxHeight: '@px', minWidth: '@px', minHeight: '@px',
	backgroundColor: 'rgb(@, @, @)', backgroundPosition: '@px @px', color: 'rgb(@, @, @)',
	fontSize: '@px', letterSpacing: '@px', lineHeight: '@px', clip: 'rect(@px @px @px @px)',
	margin: '@px @px @px @px', padding: '@px @px @px @px', border: '@px @ rgb(@, @, @) @px @ rgb(@, @, @) @px @ rgb(@, @, @)',
	borderWidth: '@px @px @px @px', borderStyle: '@ @ @ @', borderColor: 'rgb(@, @, @) rgb(@, @, @) rgb(@, @, @) rgb(@, @, @)',
	zIndex: '@', 'zoom': '@', fontWeight: '@', textIndent: '@px', opacity: '@'
});

Element.ShortStyles = {margin: {}, padding: {}, border: {}, borderWidth: {}, borderStyle: {}, borderColor: {}};

['Top', 'Right', 'Bottom', 'Left'].each(function(direction){
	var Short = Element.ShortStyles;
	var All = Element.Styles;
	['margin', 'padding'].each(function(style){
		var sd = style + direction;
		Short[style][sd] = All[sd] = '@px';
	});
	var bd = 'border' + direction;
	Short.border[bd] = All[bd] = '@px @ rgb(@, @, @)';
	var bdw = bd + 'Width', bds = bd + 'Style', bdc = bd + 'Color';
	Short[bd] = {};
	Short.borderWidth[bdw] = Short[bd][bdw] = All[bdw] = '@px';
	Short.borderStyle[bds] = Short[bd][bds] = All[bds] = '@';
	Short.borderColor[bdc] = Short[bd][bdc] = All[bdc] = 'rgb(@, @, @)';
});


/*
Script: Element.Dimensions.js
	Contains methods to work with size, scroll, or positioning of Elements and the window object.

License:
	MIT-style license.

Credits:
	- Element positioning based on the [qooxdoo](http://qooxdoo.org/) code and smart browser fixes, [LGPL License](http://www.gnu.org/licenses/lgpl.html).
	- Viewport dimensions based on [YUI](http://developer.yahoo.com/yui/) code, [BSD License](http://developer.yahoo.com/yui/license.html).
*/

(function(){

Element.implement({

	scrollTo: function(x, y){
		if (isBody(this)){
			this.getWindow().scrollTo(x, y);
		} else {
			this.scrollLeft = x;
			this.scrollTop = y;
		}
		return this;
	},

	getSize: function(){
		if (isBody(this)) return this.getWindow().getSize();
		return {x: this.offsetWidth, y: this.offsetHeight};
	},

	getScrollSize: function(){
		if (isBody(this)) return this.getWindow().getScrollSize();
		return {x: this.scrollWidth, y: this.scrollHeight};
	},

	getScroll: function(){
		if (isBody(this)) return this.getWindow().getScroll();
		return {x: this.scrollLeft, y: this.scrollTop};
	},

	getScrolls: function(){
		var element = this, position = {x: 0, y: 0};
		while (element && !isBody(element)){
			position.x += element.scrollLeft;
			position.y += element.scrollTop;
			element = element.parentNode;
		}
		return position;
	},
	
	getOffsetParent: function(){
		var element = this;
		if (isBody(element)) return null; 
		if (!Browser.Engine.trident) return element.offsetParent;
		while ((element = element.parentNode) && !isBody(element)){ 
			if (styleString(element, 'position') != 'static') return element;
		} 
		return null;
	},

	getOffsets: function(){
		var element = this, position = {x: 0, y: 0};
		if (isBody(this)) return position;

		while (element && !isBody(element)){
			position.x += element.offsetLeft;
			position.y += element.offsetTop;

			if (Browser.Engine.gecko){
				if (!borderBox(element)){
					position.x += leftBorder(element);
					position.y += topBorder(element);
				}
				var parent = element.parentNode;
				if (parent && styleString(parent, 'overflow') != 'visible'){
					position.x += leftBorder(parent);
					position.y += topBorder(parent);
				}
			} else if (element != this && (Browser.Engine.trident || Browser.Engine.webkit)){
				position.x += leftBorder(element);
				position.y += topBorder(element);
			}

			element = element.offsetParent;
			if (Browser.Engine.trident){
				while (element && !element.currentStyle.hasLayout) element = element.offsetParent;
			}
		}
		if (Browser.Engine.gecko && !borderBox(this)){
			position.x -= leftBorder(this);
			position.y -= topBorder(this);
		}
		return position;
	},

	getPosition: function(relative){
		if (isBody(this)) return {x: 0, y: 0};
		var offset = this.getOffsets(), scroll = this.getScrolls();
		var position = {x: offset.x - scroll.x, y: offset.y - scroll.y};
		var relativePosition = (relative && (relative = $(relative))) ? relative.getPosition() : {x: 0, y: 0};
		return {x: position.x - relativePosition.x, y: position.y - relativePosition.y};
	},

	getCoordinates: function(element){
		if (isBody(this)) return this.getWindow().getCoordinates();
		var position = this.getPosition(element), size = this.getSize();
		var obj = {left: position.x, top: position.y, width: size.x, height: size.y};
		obj.right = obj.left + obj.width;
		obj.bottom = obj.top + obj.height;
		return obj;
	},

	computePosition: function(obj){
		return {left: obj.x - styleNumber(this, 'margin-left'), top: obj.y - styleNumber(this, 'margin-top')};
	},

	position: function(obj){
		return this.setStyles(this.computePosition(obj));
	}

});

Native.implement([Document, Window], {

	getSize: function(){
		var win = this.getWindow();
		if (Browser.Engine.presto || Browser.Engine.webkit) return {x: win.innerWidth, y: win.innerHeight};
		var doc = getCompatElement(this);
		return {x: doc.clientWidth, y: doc.clientHeight};
	},

	getScroll: function(){
		var win = this.getWindow();
		var doc = getCompatElement(this);
		return {x: win.pageXOffset || doc.scrollLeft, y: win.pageYOffset || doc.scrollTop};
	},

	getScrollSize: function(){
		var doc = getCompatElement(this);
		var min = this.getSize();
		return {x: Math.max(doc.scrollWidth, min.x), y: Math.max(doc.scrollHeight, min.y)};
	},

	getPosition: function(){
		return {x: 0, y: 0};
	},

	getCoordinates: function(){
		var size = this.getSize();
		return {top: 0, left: 0, bottom: size.y, right: size.x, height: size.y, width: size.x};
	}

});

// private methods

var styleString = Element.getComputedStyle;

function styleNumber(element, style){
	return styleString(element, style).toInt() || 0;
};

function borderBox(element){
	return styleString(element, '-moz-box-sizing') == 'border-box';
};

function topBorder(element){
	return styleNumber(element, 'border-top-width');
};

function leftBorder(element){
	return styleNumber(element, 'border-left-width');
};

function isBody(element){
	return (/^(?:body|html)$/i).test(element.tagName);
};

function getCompatElement(element){
	var doc = element.getDocument();
	return (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
};

})();

//aliases

Native.implement([Window, Document, Element], {

	getHeight: function(){
		return this.getSize().y;
	},

	getWidth: function(){
		return this.getSize().x;
	},

	getScrollTop: function(){
		return this.getScroll().y;
	},

	getScrollLeft: function(){
		return this.getScroll().x;
	},

	getScrollHeight: function(){
		return this.getScrollSize().y;
	},

	getScrollWidth: function(){
		return this.getScrollSize().x;
	},

	getTop: function(){
		return this.getPosition().y;
	},

	getLeft: function(){
		return this.getPosition().x;
	}

});

/*
Script: Selectors.js
	Adds advanced CSS Querying capabilities for targeting elements. Also includes pseudoselectors support.

License:
	MIT-style license.
*/

Native.implement([Document, Element], {
	
	getElements: function(expression, nocash){
		expression = expression.split(',');
		var items, local = {};
		for (var i = 0, l = expression.length; i < l; i++){
			var selector = expression[i], elements = Selectors.Utils.search(this, selector, local);
			if (i != 0 && elements.item) elements = $A(elements);
			items = (i == 0) ? elements : (items.item) ? $A(items).concat(elements) : items.concat(elements);
		}
		return new Elements(items, {ddup: (expression.length > 1), cash: !nocash});
	}
	
});

Element.implement({
	
	match: function(selector){
		if (!selector) return true;
		var tagid = Selectors.Utils.parseTagAndID(selector);
		var tag = tagid[0], id = tagid[1];
		if (!Selectors.Filters.byID(this, id) || !Selectors.Filters.byTag(this, tag)) return false;
		var parsed = Selectors.Utils.parseSelector(selector);
		return (parsed) ? Selectors.Utils.filter(this, parsed, {}) : true;
	}
	
});

var Selectors = {Cache: {nth: {}, parsed: {}}};

Selectors.RegExps = {
	id: (/#([\w-]+)/),
	tag: (/^(\w+|\*)/),
	quick: (/^(\w+|\*)$/),
	splitter: (/\s*([+>~\s])\s*([a-zA-Z#.*:\[])/g),
	combined: (/\.([\w-]+)|\[(\w+)(?:([!*^$~|]?=)["']?(.*?)["']?)?\]|:([\w-]+)(?:\(["']?(.*?)?["']?\)|$)/g)
};

Selectors.Utils = {
	
	chk: function(item, uniques){
		if (!uniques) return true;
		var uid = $uid(item);
		if (!uniques[uid]) return uniques[uid] = true;
		return false;
	},
	
	parseNthArgument: function(argument){
		if (Selectors.Cache.nth[argument]) return Selectors.Cache.nth[argument];
		var parsed = argument.match(/^([+-]?\d*)?([a-z]+)?([+-]?\d*)?$/);
		if (!parsed) return false;
		var inta = parseInt(parsed[1], 10);
		var a = (inta || inta === 0) ? inta : 1;
		var special = parsed[2] || false;
		var b = parseInt(parsed[3], 10) || 0;
		if (a != 0){
			b--;
			while (b < 1) b += a;
			while (b >= a) b -= a;
		} else {
			a = b;
			special = 'index';
		}
		switch (special){
			case 'n': parsed = {a: a, b: b, special: 'n'}; break;
			case 'odd': parsed = {a: 2, b: 0, special: 'n'}; break;
			case 'even': parsed =  {a: 2, b: 1, special: 'n'}; break;
			case 'first': parsed = {a: 0, special: 'index'}; break;
			case 'last': parsed = {special: 'last-child'}; break;
			case 'only': parsed = {special: 'only-child'}; break;
			default: parsed = {a: (a - 1), special: 'index'};
		}
		
		return Selectors.Cache.nth[argument] = parsed;
	},
	
	parseSelector: function(selector){
		if (Selectors.Cache.parsed[selector]) return Selectors.Cache.parsed[selector];
		var m, parsed = {classes: [], pseudos: [], attributes: []};
		while ((m = Selectors.RegExps.combined.exec(selector))){
			var cn = m[1], an = m[2], ao = m[3], av = m[4], pn = m[5], pa = m[6];
			if (cn){
				parsed.classes.push(cn);
			} else if (pn){
				var parser = Selectors.Pseudo.get(pn);
				if (parser) parsed.pseudos.push({parser: parser, argument: pa});
				else parsed.attributes.push({name: pn, operator: '=', value: pa});
			} else if (an){
				parsed.attributes.push({name: an, operator: ao, value: av});
			}
		}
		if (!parsed.classes.length) delete parsed.classes;
		if (!parsed.attributes.length) delete parsed.attributes;
		if (!parsed.pseudos.length) delete parsed.pseudos;
		if (!parsed.classes && !parsed.attributes && !parsed.pseudos) parsed = null;
		return Selectors.Cache.parsed[selector] = parsed;
	},
	
	parseTagAndID: function(selector){
		var tag = selector.match(Selectors.RegExps.tag);
		var id = selector.match(Selectors.RegExps.id);
		return [(tag) ? tag[1] : '*', (id) ? id[1] : false];
	},
	
	filter: function(item, parsed, local){
		var i;
		if (parsed.classes){
			for (i = parsed.classes.length; i--; i){
				var cn = parsed.classes[i];
				if (!Selectors.Filters.byClass(item, cn)) return false;
			}
		}
		if (parsed.attributes){
			for (i = parsed.attributes.length; i--; i){
				var att = parsed.attributes[i];
				if (!Selectors.Filters.byAttribute(item, att.name, att.operator, att.value)) return false;
			}
		}
		if (parsed.pseudos){
			for (i = parsed.pseudos.length; i--; i){
				var psd = parsed.pseudos[i];
				if (!Selectors.Filters.byPseudo(item, psd.parser, psd.argument, local)) return false;
			}
		}
		return true;
	},
	
	getByTagAndID: function(ctx, tag, id){
		if (id){
			var item = (ctx.getElementById) ? ctx.getElementById(id, true) : Element.getElementById(ctx, id, true);
			return (item && Selectors.Filters.byTag(item, tag)) ? [item] : [];
		} else {
			return ctx.getElementsByTagName(tag);
		}
	},
	
	search: function(self, expression, local){
		var splitters = [];
		
		var selectors = expression.trim().replace(Selectors.RegExps.splitter, function(m0, m1, m2){
			splitters.push(m1);
			return ':)' + m2;
		}).split(':)');
		
		var items, match, filtered, item;
		
		for (var i = 0, l = selectors.length; i < l; i++){
			
			var selector = selectors[i];
			
			if (i == 0 && Selectors.RegExps.quick.test(selector)){
				items = self.getElementsByTagName(selector);
				continue;
			}
			
			var splitter = splitters[i - 1];
			
			var tagid = Selectors.Utils.parseTagAndID(selector);
			var tag = tagid[0], id = tagid[1];

			if (i == 0){
				items = Selectors.Utils.getByTagAndID(self, tag, id);
			} else {
				var uniques = {}, found = [];
				for (var j = 0, k = items.length; j < k; j++) found = Selectors.Getters[splitter](found, items[j], tag, id, uniques);
				items = found;
			}
			
			var parsed = Selectors.Utils.parseSelector(selector);
			
			if (parsed){
				filtered = [];
				for (var m = 0, n = items.length; m < n; m++){
					item = items[m];
					if (Selectors.Utils.filter(item, parsed, local)) filtered.push(item);
				}
				items = filtered;
			}
			
		}
		
		return items;
		
	}
	
};

Selectors.Getters = {
	
	' ': function(found, self, tag, id, uniques){
		var items = Selectors.Utils.getByTagAndID(self, tag, id);
		for (var i = 0, l = items.length; i < l; i++){
			var item = items[i];
			if (Selectors.Utils.chk(item, uniques)) found.push(item);
		}
		return found;
	},
	
	'>': function(found, self, tag, id, uniques){
		var children = Selectors.Utils.getByTagAndID(self, tag, id);
		for (var i = 0, l = children.length; i < l; i++){
			var child = children[i];
			if (child.parentNode == self && Selectors.Utils.chk(child, uniques)) found.push(child);
		}
		return found;
	},
	
	'+': function(found, self, tag, id, uniques){
		while ((self = self.nextSibling)){
			if (self.nodeType == 1){
				if (Selectors.Utils.chk(self, uniques) && Selectors.Filters.byTag(self, tag) && Selectors.Filters.byID(self, id)) found.push(self);
				break;
			}
		}
		return found;
	},
	
	'~': function(found, self, tag, id, uniques){
		
		while ((self = self.nextSibling)){
			if (self.nodeType == 1){
				if (!Selectors.Utils.chk(self, uniques)) break;
				if (Selectors.Filters.byTag(self, tag) && Selectors.Filters.byID(self, id)) found.push(self);
			} 
		}
		return found;
	}
	
};

Selectors.Filters = {
	
	byTag: function(self, tag){
		return (tag == '*' || (self.tagName && self.tagName.toLowerCase() == tag));
	},
	
	byID: function(self, id){
		return (!id || (self.id && self.id == id));
	},
	
	byClass: function(self, klass){
		return (self.className && self.className.contains(klass, ' '));
	},
	
	byPseudo: function(self, parser, argument, local){
		return parser.call(self, argument, local);
	},
	
	byAttribute: function(self, name, operator, value){
		var result = Element.prototype.getProperty.call(self, name);
		if (!result) return false;
		if (!operator || value == undefined) return true;
		switch (operator){
			case '=': return (result == value);
			case '*=': return (result.contains(value));
			case '^=': return (result.substr(0, value.length) == value);
			case '$=': return (result.substr(result.length - value.length) == value);
			case '!=': return (result != value);
			case '~=': return result.contains(value, ' ');
			case '|=': return result.contains(value, '-');
		}
		return false;
	}
	
};

Selectors.Pseudo = new Hash({
	
	// w3c pseudo selectors
	
	empty: function(){
		return !(this.innerText || this.textContent || '').length;
	},
	
	not: function(selector){
		return !Element.match(this, selector);
	},
	
	contains: function(text){
		return (this.innerText || this.textContent || '').contains(text);
	},
	
	'first-child': function(){
		return Selectors.Pseudo.index.call(this, 0);
	},
	
	'last-child': function(){
		var element = this;
		while ((element = element.nextSibling)){
			if (element.nodeType == 1) return false;
		}
		return true;
	},
	
	'only-child': function(){
		var prev = this;
		while ((prev = prev.previousSibling)){
			if (prev.nodeType == 1) return false;
		}
		var next = this;
		while ((next = next.nextSibling)){
			if (next.nodeType == 1) return false;
		}
		return true;
	},
	
	'nth-child': function(argument, local){
		argument = (argument == undefined) ? 'n' : argument;
		var parsed = Selectors.Utils.parseNthArgument(argument);
		if (parsed.special != 'n') return Selectors.Pseudo[parsed.special].call(this, parsed.a, local);
		var count = 0;
		local.positions = local.positions || {};
		var uid = $uid(this);
		if (!local.positions[uid]){
			var self = this;
			while ((self = self.previousSibling)){
				if (self.nodeType != 1) continue;
				count ++;
				var position = local.positions[$uid(self)];
				if (position != undefined){
					count = position + count;
					break;
				}
			}
			local.positions[uid] = count;
		}
		return (local.positions[uid] % parsed.a == parsed.b);
	},
	
	// custom pseudo selectors
	
	index: function(index){
		var element = this, count = 0;
		while ((element = element.previousSibling)){
			if (element.nodeType == 1 && ++count > index) return false;
		}
		return (count == index);
	},
	
	even: function(argument, local){
		return Selectors.Pseudo['nth-child'].call(this, '2n+1', local);
	},

	odd: function(argument, local){
		return Selectors.Pseudo['nth-child'].call(this, '2n', local);
	}
	
});

/*
Script: Domready.js
	Contains the domready custom event.

License:
	MIT-style license.
*/

Element.Events.domready = {

	onAdd: function(fn){
		if (Browser.loaded) fn.call(this);
	}

};

(function(){
	
	var domready = function(){
		if (Browser.loaded) return;
		Browser.loaded = true;
		window.fireEvent('domready');
		document.fireEvent('domready');
	};
	
	switch (Browser.Engine.name){

		case 'webkit': (function(){
			(['loaded', 'complete'].contains(document.readyState)) ? domready() : arguments.callee.delay(50);
		})(); break;

		case 'trident':
			var temp = document.createElement('div');
			(function(){
				($try(function(){
					temp.doScroll('left');
					return $(temp).inject(document.body).set('html', 'temp').dispose();
				})) ? domready() : arguments.callee.delay(50);
			})();
		break;
		
		default:
			window.addEvent('load', domready);
			document.addEvent('DOMContentLoaded', domready);

	}
	
})();

/*
Script: JSON.js
	JSON encoder and decoder.

License:
	MIT-style license.

See Also:
	<http://www.json.org/>
*/

var JSON = new Hash({

	encode: function(obj){
		switch ($type(obj)){
			case 'string':
				return '"' + obj.replace(/[\x00-\x1f\\"]/g, JSON.$replaceChars) + '"';
			case 'array':
				return '[' + String(obj.map(JSON.encode).filter($defined)) + ']';
			case 'object': case 'hash':
				var string = [];
				Hash.each(obj, function(value, key){
					var json = JSON.encode(value);
					if (json) string.push(JSON.encode(key) + ':' + json);
				});
				return '{' + string + '}';
			case 'number': case 'boolean': return String(obj);
			case false: return 'null';
		}
		return null;
	},

	$specialChars: {'\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"' : '\\"', '\\': '\\\\'},

	$replaceChars: function(chr){
		return JSON.$specialChars[chr] || '\\u00' + Math.floor(chr.charCodeAt() / 16).toString(16) + (chr.charCodeAt() % 16).toString(16);
	},

	decode: function(string, secure){
		if ($type(string) != 'string' || !string.length) return null;
		if (secure && !(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(string.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''))) return null;
		return eval('(' + string + ')');
	}

});

Native.implement([Hash, Array, String, Number], {
	toJSON: function(){
		return JSON.encode(this);
	}

});


/*
Script: Cookie.js
	Class for creating, loading, and saving browser Cookies.

License:
	MIT-style license.

Credits:
	Based on the functions by Peter-Paul Koch (http://quirksmode.org).
*/

var Cookie = new Class({

	Implements: Options,

	options: {
		path: false,
		domain: false,
		duration: false,
		secure: false,
		document: document
	},

	initialize: function(key, options){
		this.key = key;
		this.setOptions(options);
	},

	write: function(value){
		value = encodeURIComponent(value);
		if (this.options.domain) value += '; domain=' + this.options.domain;
		if (this.options.path) value += '; path=' + this.options.path;
		if (this.options.duration){
			var date = new Date();
			date.setTime(date.getTime() + this.options.duration * 24 * 60 * 60 * 1000);
			value += '; expires=' + date.toGMTString();
		}
		if (this.options.secure) value += '; secure';
		this.options.document.cookie = this.key + '=' + value;
		return this;
	},

	read: function(){
		var value = this.options.document.cookie.match('(?:^|;)\\s*' + this.key.escapeRegExp() + '=([^;]*)');
		return (value) ? decodeURIComponent(value[1]) : null;
	},

	dispose: function(){
		new Cookie(this.key, $merge(this.options, {duration: -1})).write('');
		return this;
	}

});

Cookie.write = function(key, value, options){
	return new Cookie(key, options).write(value);
};

Cookie.read = function(key){
	return new Cookie(key).read();
};

Cookie.dispose = function(key, options){
	return new Cookie(key, options).dispose();
};

/*
Script: Tips.js
	Class for creating nice tips that follow the mouse cursor when hovering an element.

License:
	MIT-style license.
*/

var Tips = new Class({

	Implements: [Events, Options],

	options: {
		onShow: $empty,
		onHide: $empty,
		showDelay: 100,
		hideDelay: 100,
		className: null,
		offsets: {x: 16, y: 16},
		fixed: false
	},

	initialize: function(){
		var params = Array.link(arguments, {options: Object.type, elements: $defined});
		this.setOptions(params.options || null);
		
		this.element = params.elements;
		
		this.tip = new Element('div').inject(document.body);
		
		if (this.options.className) this.tip.addClass(this.options.className);
		
		var top = new Element('div', {'class': 'tip-top'}).inject(this.tip);
		this.container = new Element('div', {'class': 'tip'}).inject(this.tip);
		var bottom = new Element('div', {'class': 'tip-bottom'}).inject(this.tip);

		this.tip.setStyles({position: 'absolute', top: 0, left: 0, visibility: 'hidden'});
		
		if (!this.shim && Browser.Engine.trident4) {
      this.shim = new IframeShim(this.tip, {position: 'upperLeft'});
    }
		
    this.attach();
	},
	
	attach: function(){
	  var element = this.element;
		var title = element.retrieve('tip:title', element.get('title'));
		var text = element.retrieve('tip:text', element.get('rel') || element.get('href'));
		var enter = element.retrieve('tip:enter', this.elementEnter.bindWithEvent(this, element));
		var leave = element.retrieve('tip:leave', this.elementLeave.bindWithEvent(this, element));
		element.addEvents({mouseenter: enter, mouseleave: leave});
		if (!this.options.fixed){
			var move = element.retrieve('tip:move', this.elementMove.bindWithEvent(this, element));
			element.addEvent('mousemove', move);
		}
		element.store('tip:native', element.get('title'));
		element.erase('title');

		return this;
	},
		
	elementEnter: function(event, element){
		
		$A(this.container.childNodes).each(Element.dispose);
		
		var title = element.retrieve('tip:title');
		
		if (title){
			this.titleElement = new Element('div', {'class': 'tip-title'}).inject(this.container);
			this.fill(this.titleElement, title);
		}
		
		var text = element.retrieve('tip:text');
		if (text){
			this.textElement = new Element('div', {'class': 'tip-text'}).inject(this.container);
			this.fill(this.textElement, text);
		}
		
		this.timer = $clear(this.timer);
		this.timer = this.show.delay(this.options.showDelay, this);

		this.position();
	},
	
	elementLeave: function(event){
		$clear(this.timer);
		this.timer = this.hide.delay(this.options.hideDelay, this);
	},
	
	elementMove: function(event){
		this.position();
	},
	
	position: function(){
    this.tip.setPosition({
      relativeTo: this.element,
      edge: 'right',
      position: 'left',
      offset: {x: -5, y: 0}
    });
	},
	
	fill: function(element, contents){
		(typeof contents == 'string') ? element.set('html', contents) : element.adopt(contents);
	},

	show: function(){
		this.fireEvent('show', this.tip);
		
		if (Browser.Engine.trident4) {
  		if (!this.shim) {
  		  this.shim = new IframeShim(this.list, {position: 'upperLeft'});
  	  }
  	  this.shim.position();
  	  this.shim.show();
	  }
		
	  this.tip.setStyle('visibility', 'visible');
	},

	hide: function(){
		this.fireEvent('hide', this.tip);
		if (this.shim) this.shim.hide();
		this.tip.setStyle('visibility', 'hidden');
	}

});

/*
Script: Fx.js
	Contains the basic animation logic to be extended by all other Fx Classes.

License:
	MIT-style license.
*/

var Fx = new Class({

	Implements: [Chain, Events, Options],

	options: {
		/*
		onStart: $empty,
		onCancel: $empty,
		onComplete: $empty,
		*/
		fps: 50,
		unit: false,
		duration: 500,
		link: 'ignore',
		transition: function(p){
			return -(Math.cos(Math.PI * p) - 1) / 2;
		}
	},

	initialize: function(options){
		this.subject = this.subject || this;
		this.setOptions(options);
		this.options.duration = Fx.Durations[this.options.duration] || this.options.duration.toInt();
		var wait = this.options.wait;
		if (wait === false) this.options.link = 'cancel';
	},

	step: function(){
		var time = $time();
		if (time < this.time + this.options.duration){
			var delta = this.options.transition((time - this.time) / this.options.duration);
			this.set(this.compute(this.from, this.to, delta));
		} else {
			this.set(this.compute(this.from, this.to, 1));
			this.complete();
		}
	},

	set: function(now){
		return now;
	},

	compute: function(from, to, delta){
		return Fx.compute(from, to, delta);
	},

	check: function(caller){
		if (!this.timer) return true;
		switch (this.options.link){
			case 'cancel': this.cancel(); return true;
			case 'chain': this.chain(caller.bind(this, Array.slice(arguments, 1))); return false;
		}
		return false;
	},

	start: function(from, to){
		if (!this.check(arguments.callee, from, to)) return this;
		this.from = from;
		this.to = to;
		this.time = 0;
		this.startTimer();
		this.onStart();
		return this;
	},

	complete: function(){
		if (this.stopTimer()) this.onComplete();
		return this;
	},

	cancel: function(){
		if (this.stopTimer()) this.onCancel();
		return this;
	},

	onStart: function(){
		this.fireEvent('start', this.subject);
	},

	onComplete: function(){
		this.fireEvent('complete', this.subject);
		if (!this.callChain()) this.fireEvent('chainComplete', this.subject);
	},

	onCancel: function(){
		this.fireEvent('cancel', this.subject).clearChain();
	},

	pause: function(){
		this.stopTimer();
		return this;
	},

	resume: function(){
		this.startTimer();
		return this;
	},

	stopTimer: function(){
		if (!this.timer) return false;
		this.time = $time() - this.time;
		this.timer = $clear(this.timer);
		return true;
	},

	startTimer: function(){
		if (this.timer) return false;
		this.time = $time() - this.time;
		this.timer = this.step.periodical(Math.round(1000 / this.options.fps), this);
		return true;
	}

});

Fx.compute = function(from, to, delta){
	return (to - from) * delta + from;
};

Fx.Durations = {'short': 250, 'normal': 500, 'long': 1000};


/*
Script: Fx.CSS.js
	Contains the CSS animation logic. Used by Fx.Tween, Fx.Morph, Fx.Elements.

License:
	MIT-style license.
*/

Fx.CSS = new Class({

	Extends: Fx,

	//prepares the base from/to object

	prepare: function(element, property, values){
		values = $splat(values);
		var values1 = values[1];
		if (!$chk(values1)){
			values[1] = values[0];
			values[0] = element.getStyle(property);
		}
		var parsed = values.map(this.parse);
		return {from: parsed[0], to: parsed[1]};
	},

	//parses a value into an array

	parse: function(value){
		value = $lambda(value)();
		value = (typeof value == 'string') ? value.split(' ') : $splat(value);
		return value.map(function(val){
			val = String(val);
			var found = false;
			Fx.CSS.Parsers.each(function(parser, key){
				if (found) return;
				var parsed = parser.parse(val);
				if ($chk(parsed)) found = {value: parsed, parser: parser};
			});
			found = found || {value: val, parser: Fx.CSS.Parsers.String};
			return found;
		});
	},

	//computes by a from and to prepared objects, using their parsers.

	compute: function(from, to, delta){
		var computed = [];
		(Math.min(from.length, to.length)).times(function(i){
			computed.push({value: from[i].parser.compute(from[i].value, to[i].value, delta), parser: from[i].parser});
		});
		computed.$family = {name: 'fx:css:value'};
		return computed;
	},

	//serves the value as settable

	serve: function(value, unit){
		if ($type(value) != 'fx:css:value') value = this.parse(value);
		var returned = [];
		value.each(function(bit){
			returned = returned.concat(bit.parser.serve(bit.value, unit));
		});
		return returned;
	},

	//renders the change to an element

	render: function(element, property, value, unit){
		element.setStyle(property, this.serve(value, unit));
	},

	//searches inside the page css to find the values for a selector

	search: function(selector){
		if (Fx.CSS.Cache[selector]) return Fx.CSS.Cache[selector];
		var to = {};
		Array.each(document.styleSheets, function(sheet, j){
			var href = sheet.href;
			if (href && href.contains('://') && !href.contains(document.domain)) return;
			var rules = sheet.rules || sheet.cssRules;
			Array.each(rules, function(rule, i){
				if (!rule.style) return;
				var selectorText = (rule.selectorText) ? rule.selectorText.replace(/^\w+/, function(m){
					return m.toLowerCase();
				}) : null;
				if (!selectorText || !selectorText.test('^' + selector + '$')) return;
				Element.Styles.each(function(value, style){
					if (!rule.style[style] || Element.ShortStyles[style]) return;
					value = String(rule.style[style]);
					to[style] = (value.test(/^rgb/)) ? value.rgbToHex() : value;
				});
			});
		});
		return Fx.CSS.Cache[selector] = to;
	}

});

Fx.CSS.Cache = {};

Fx.CSS.Parsers = new Hash({

	Color: {
		parse: function(value){
			if (value.match(/^#[0-9a-f]{3,6}$/i)) return value.hexToRgb(true);
			return ((value = value.match(/(\d+),\s*(\d+),\s*(\d+)/))) ? [value[1], value[2], value[3]] : false;
		},
		compute: function(from, to, delta){
			return from.map(function(value, i){
				return Math.round(Fx.compute(from[i], to[i], delta));
			});
		},
		serve: function(value){
			return value.map(Number);
		}
	},

	Number: {
		parse: parseFloat,
		compute: Fx.compute,
		serve: function(value, unit){
			return (unit) ? value + unit : value;
		}
	},

	String: {
		parse: $lambda(false),
		compute: $arguments(1),
		serve: $arguments(0)
	}

});


/*
Script: Fx.Tween.js
	Formerly Fx.Style, effect to transition any CSS property for an element.

License:
	MIT-style license.
*/

Fx.Tween = new Class({

	Extends: Fx.CSS,

	initialize: function(element, options){
		this.element = this.subject = $(element);
		this.parent(options);
	},

	set: function(property, now){
		if (arguments.length == 1){
			now = property;
			property = this.property || this.options.property;
		}
		this.render(this.element, property, now, this.options.unit);
		return this;
	},

	start: function(property, from, to){
		if (!this.check(arguments.callee, property, from, to)) return this;
		var args = Array.flatten(arguments);
		this.property = this.options.property || args.shift();
		var parsed = this.prepare(this.element, this.property, args);
		return this.parent(parsed.from, parsed.to);
	}

});

Element.Properties.tween = {

	set: function(options){
		var tween = this.retrieve('tween');
		if (tween) tween.cancel();
		return this.eliminate('tween').store('tween:options', $extend({link: 'cancel'}, options));
	},

	get: function(options){
		if (options || !this.retrieve('tween')){
			if (options || !this.retrieve('tween:options')) this.set('tween', options);
			this.store('tween', new Fx.Tween(this, this.retrieve('tween:options')));
		}
		return this.retrieve('tween');
	}

};

Element.implement({

	tween: function(property, from, to){
		this.get('tween').start(arguments);
		return this;
	},

	fade: function(how){
		var fade = this.get('tween'), o = 'opacity', toggle;
		how = $pick(how, 'toggle');
		switch (how){
			case 'in': fade.start(o, 1); break;
			case 'out': fade.start(o, 0); break;
			case 'show': fade.set(o, 1); break;
			case 'hide': fade.set(o, 0); break;
			case 'toggle':
				var flag = this.retrieve('fade:flag', this.get('opacity') == 1);
				fade.start(o, (flag) ? 0 : 1);
				this.store('fade:flag', !flag);
				toggle = true;
			break;
			default: fade.start(o, arguments);
		}
		if (!toggle) this.eliminate('fade:flag');
		return this;
	},

	highlight: function(start, end){
		if (!end){
			end = this.retrieve('highlight:original', this.getStyle('background-color'));
			end = (end == 'transparent') ? '#fff' : end;
		}
		var tween = this.get('tween');
		tween.start('background-color', start || '#ffff88', end).chain(function(){
			this.setStyle('background-color', this.retrieve('highlight:original'));
			tween.callChain();
		}.bind(this));
		return this;
	}

});


/*
Script: Fx.Morph.js
	Formerly Fx.Styles, effect to transition any number of CSS properties for an element using an object of rules, or CSS based selector rules.

License:
	MIT-style license.
*/

Fx.Morph = new Class({

	Extends: Fx.CSS,

	initialize: function(element, options){
		this.element = this.subject = $(element);
		this.parent(options);
	},

	set: function(now){
		if (typeof now == 'string') now = this.search(now);
		for (var p in now) this.render(this.element, p, now[p], this.options.unit);
		return this;
	},

	compute: function(from, to, delta){
		var now = {};
		for (var p in from) now[p] = this.parent(from[p], to[p], delta);
		return now;
	},

	start: function(properties){
		if (!this.check(arguments.callee, properties)) return this;
		if (typeof properties == 'string') properties = this.search(properties);
		var from = {}, to = {};
		for (var p in properties){
			var parsed = this.prepare(this.element, p, properties[p]);
			from[p] = parsed.from;
			to[p] = parsed.to;
		}
		return this.parent(from, to);
	}

});

Element.Properties.morph = {

	set: function(options){
		var morph = this.retrieve('morph');
		if (morph) morph.cancel();
		return this.eliminate('morph').store('morph:options', $extend({link: 'cancel'}, options));
	},

	get: function(options){
		if (options || !this.retrieve('morph')){
			if (options || !this.retrieve('morph:options')) this.set('morph', options);
			this.store('morph', new Fx.Morph(this, this.retrieve('morph:options')));
		}
		return this.retrieve('morph');
	}

};

Element.implement({

	morph: function(props){
		this.get('morph').start(props);
		return this;
	}

});

/*
Script: Fx.Transitions.js
	Contains a set of advanced transitions to be used with any of the Fx Classes.

License:
	MIT-style license.

Credits:
	Easing Equations by Robert Penner, <http://www.robertpenner.com/easing/>, modified and optimized to be used with MooTools.
*/

(function(){

	var old = Fx.prototype.initialize;

	Fx.prototype.initialize = function(options){
		old.call(this, options);
		var trans = this.options.transition;
		if (typeof trans == 'string' && (trans = trans.split(':'))){
			var base = Fx.Transitions;
			base = base[trans[0]] || base[trans[0].capitalize()];
			if (trans[1]) base = base['ease' + trans[1].capitalize() + (trans[2] ? trans[2].capitalize() : '')];
			this.options.transition = base;
		}
	};

})();

Fx.Transition = function(transition, params){
	params = $splat(params);
	return $extend(transition, {
		easeIn: function(pos){
			return transition(pos, params);
		},
		easeOut: function(pos){
			return 1 - transition(1 - pos, params);
		},
		easeInOut: function(pos){
			return (pos <= 0.5) ? transition(2 * pos, params) / 2 : (2 - transition(2 * (1 - pos), params)) / 2;
		}
	});
};

Fx.Transitions = new Hash({

	linear: $arguments(0)

});

Fx.Transitions.extend = function(transitions){
	for (var transition in transitions) Fx.Transitions[transition] = new Fx.Transition(transitions[transition]);
};

Fx.Transitions.extend({

	Pow: function(p, x){
		return Math.pow(p, x[0] || 6);
	},

	Expo: function(p){
		return Math.pow(2, 8 * (p - 1));
	},

	Circ: function(p){
		return 1 - Math.sin(Math.acos(p));
	},

	Sine: function(p){
		return 1 - Math.sin((1 - p) * Math.PI / 2);
	},

	Back: function(p, x){
		x = x[0] || 1.618;
		return Math.pow(p, 2) * ((x + 1) * p - x);
	},

	Bounce: function(p){
		var value;
		for (var a = 0, b = 1; 1; a += b, b /= 2){
			if (p >= (7 - 4 * a) / 11){
				value = - Math.pow((11 - 6 * a - 11 * p) / 4, 2) + b * b;
				break;
			}
		}
		return value;
	},

	Elastic: function(p, x){
		return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x[0] || 1) / 3);
	}

});

['Quad', 'Cubic', 'Quart', 'Quint'].each(function(transition, i){
	Fx.Transitions[transition] = new Fx.Transition(function(p){
		return Math.pow(p, [i + 2]);
	});
});


/*
Script: Request.js
	Powerful all purpose Request Class. Uses XMLHTTPRequest.

License:
	MIT-style license.
*/

var Request = new Class({

	Implements: [Chain, Events, Options],

	options: {
		/*onRequest: $empty,
		onSuccess: $empty,
		onFailure: $empty,
		onException: $empty,*/
		url: '',
		data: '',
		headers: {
			'X-Requested-With': 'XMLHttpRequest',
			'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
		},
		async: true,
		format: false,
		method: 'post',
		link: 'ignore',
		isSuccess: null,
		emulation: true,
		urlEncoded: true,
		encoding: 'utf-8',
		evalScripts: false,
		evalResponse: false
	},

	initialize: function(options){
		this.xhr = new Browser.Request();
		this.setOptions(options);
		this.options.isSuccess = this.options.isSuccess || this.isSuccess;
		this.headers = new Hash(this.options.headers);
	},

	onStateChange: function(){
		if (this.xhr.readyState != 4 || !this.running) return;
		this.running = false;
		this.status = 0;
		$try(function(){
			this.status = this.xhr.status;
		}.bind(this));
		if (this.options.isSuccess.call(this, this.status)){
			this.response = {text: this.xhr.responseText, xml: this.xhr.responseXML};
			this.success(this.response.text, this.response.xml);
		} else {
			this.response = {text: null, xml: null};
			this.failure();
		}
		this.xhr.onreadystatechange = $empty;
	},

	isSuccess: function(){
		return ((this.status >= 200) && (this.status < 300));
	},

	processScripts: function(text){
		if (this.options.evalResponse || (/(ecma|java)script/).test(this.getHeader('Content-type'))) return $exec(text);
		return text.stripScripts(this.options.evalScripts);
	},

	success: function(text, xml){
		this.onSuccess(this.processScripts(text), xml);
	},
	
	onSuccess: function(){
		this.fireEvent('complete', arguments).fireEvent('success', arguments).callChain();
	},
	
	failure: function(){
		this.onFailure();
	},

	onFailure: function(){
		this.fireEvent('complete').fireEvent('failure', this.xhr);
	},

	setHeader: function(name, value){
		this.headers.set(name, value);
		return this;
	},

	getHeader: function(name){
		return $try(function(){
			return this.xhr.getResponseHeader(name);
		}.bind(this));
	},

	check: function(caller){
		if (!this.running) return true;
		switch (this.options.link){
			case 'cancel': this.cancel(); return true;
			case 'chain': this.chain(caller.bind(this, Array.slice(arguments, 1))); return false;
		}
		return false;
	},

	send: function(options){
		if (!this.check(arguments.callee, options)) return this;
		this.running = true;

		var type = $type(options);
		if (type == 'string' || type == 'element') options = {data: options};

		var old = this.options;
		options = $extend({data: old.data, url: old.url, method: old.method}, options);
		var data = options.data, url = options.url, method = options.method;

		switch ($type(data)){
			case 'element': data = $(data).toQueryString(); break;
			case 'object': case 'hash': data = Hash.toQueryString(data);
		}

		if (this.options.format){
			var format = 'format=' + this.options.format;
			data = (data) ? format + '&' + data : format;
		}

		if (this.options.emulation && ['put', 'delete'].contains(method)){
			var _method = '_method=' + method;
			data = (data) ? _method + '&' + data : _method;
			method = 'post';
		}

		if (this.options.urlEncoded && method == 'post'){
			var encoding = (this.options.encoding) ? '; charset=' + this.options.encoding : '';
			this.headers.set('Content-type', 'application/x-www-form-urlencoded' + encoding);
		}

		if (data && method == 'get'){
			url = url + (url.contains('?') ? '&' : '?') + data;
			data = null;
		}

		this.xhr.open(method.toUpperCase(), url, this.options.async);

		this.xhr.onreadystatechange = this.onStateChange.bind(this);

		this.headers.each(function(value, key){
			if (!$try(function(){
				this.xhr.setRequestHeader(key, value);
				return true;
			}.bind(this))) this.fireEvent('exception', [key, value]);
		}, this);
    
    window.addEvent('beforeunload', this.cancel.bind(this));
    
		this.fireEvent('request');
		this.xhr.send(data);
		if (!this.options.async) this.onStateChange();
		return this;
	},

	cancel: function(){
		if (!this.running) return this;
		this.running = false;
		this.xhr.abort();
		this.xhr.onreadystatechange = $empty;
		this.xhr = new Browser.Request();
		this.fireEvent('cancel');
		return this;
	}

});

(function(){

var methods = {};
['get', 'post', 'put', 'delete', 'GET', 'POST', 'PUT', 'DELETE'].each(function(method){
	methods[method] = function(){
		var params = Array.link(arguments, {url: String.type, data: $defined});
		return this.send($extend(params, {method: method.toLowerCase()}));
	};
});

Request.implement(methods);

})();

Element.Properties.send = {
	
	set: function(options){
		var send = this.retrieve('send');
		if (send) send.cancel();
		return this.eliminate('send').store('send:options', $extend({
			data: this, link: 'cancel', method: this.get('method') || 'post', url: this.get('action')
		}, options));
	},

	get: function(options){
		if (options || !this.retrieve('send')){
			if (options || !this.retrieve('send:options')) this.set('send', options);
			this.store('send', new Request(this.retrieve('send:options')));
		}
		return this.retrieve('send');
	}

};

Element.implement({

	send: function(url){
		var sender = this.get('send');
		sender.send({data: this, url: url || sender.options.url});
		return this;
	}

});


/*
Script: Request.HTML.js
	Extends the basic Request Class with additional methods for interacting with HTML responses.

License:
	MIT-style license.
*/

Request.HTML = new Class({

	Extends: Request,

	options: {
		update: false,
		evalScripts: true,
		filter: false
	},

	processHTML: function(text){
		var match = text.match(/<body[^>]*>([\s\S]*?)<\/body>/i);
		text = (match) ? match[1] : text;
		
		var container = new Element('div');
		
		return $try(function(){
			var root = '<root>' + text + '</root>', doc;
			if (Browser.Engine.trident){
				doc = new ActiveXObject('Microsoft.XMLDOM');
				doc.async = false;
				doc.loadXML(root);
			} else {
				doc = new DOMParser().parseFromString(root, 'text/xml');
			}
			root = doc.getElementsByTagName('root')[0];
			for (var i = 0, k = root.childNodes.length; i < k; i++){
				var child = Element.clone(root.childNodes[i], true, true);
				if (child) container.grab(child);
			}
			return container;
		}) || container.set('html', text);
	},

	success: function(text){
		var options = this.options, response = this.response;
		
		response.html = text.stripScripts(function(script){
			response.javascript = script;
		});
		
		var temp = this.processHTML(response.html);
		
		response.tree = temp.childNodes;
		response.elements = temp.getElements('*');
		
		if (options.filter) response.tree = response.elements.filter(options.filter);
		if (options.update) $(options.update).empty().adopt(response.tree);
		if (options.evalScripts) $exec(response.javascript);
		
		this.onSuccess(response.tree, response.elements, response.html, response.javascript);
	}

});

Element.Properties.load = {
	
	set: function(options){
		var load = this.retrieve('load');
    // commented out by matt to fix ie7 bug, not sure what the real problem is
    // if (load) send.cancel();
		return this.eliminate('load').store('load:options', $extend({data: this, link: 'cancel', update: this, method: 'get'}, options));
	},

	get: function(options){
		if (options || ! this.retrieve('load')){
			if (options || !this.retrieve('load:options')) this.set('load', options);
			this.store('load', new Request.HTML(this.retrieve('load:options')));
		}
		return this.retrieve('load');
	}

};

Element.implement({
	
	load: function(){
		this.get('load').send(Array.link(arguments, {data: Object.type, url: String.type}));
		return this;
	}

});


/*
Script: Request.JSON.js
	Extends the basic Request Class with additional methods for sending and receiving JSON data.

License:
	MIT-style license.
*/

Request.JSON = new Class({

	Extends: Request,

	options: {
		secure: true
	},

	initialize: function(options){
		this.parent(options);
		this.headers.extend({'Accept': 'application/json', 'X-Request': 'JSON'});
	},

	success: function(text){
		this.response.json = JSON.decode(text, this.options.secure);
		this.onSuccess(this.response.json, text);
	}

});

/*
Script: Fx.Elements.js
	Effect to change any number of CSS properties of any number of Elements.

License:
	MIT-style license.
*/

Fx.Elements = new Class({

	Extends: Fx.CSS,

	initialize: function(elements, options){
		this.elements = this.subject = $$(elements);
		this.parent(options);
	},

	compute: function(from, to, delta){
		var now = {};
		for (var i in from){
			var iFrom = from[i], iTo = to[i], iNow = now[i] = {};
			for (var p in iFrom) iNow[p] = this.parent(iFrom[p], iTo[p], delta);
		}
		return now;
	},

	set: function(now){
		for (var i in now){
			var iNow = now[i];
			for (var p in iNow) this.render(this.elements[i], p, iNow[p], this.options.unit);
		}
		return this;
	},

	start: function(obj){
		if (!this.check(arguments.callee, obj)) return this;
		var from = {}, to = {};
		for (var i in obj){
			var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {};
			for (var p in iProps){
				var parsed = this.prepare(this.elements[i], p, iProps[p]);
				iFrom[p] = parsed.from;
				iTo[p] = parsed.to;
			}
		}
		return this.parent(from, to);
	}

});

/*
Script: dbug.js
	A wrapper for Firebug console.* statements.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var dbug = {
	logged: [],	
	timers: {},
	firebug: false, 
	enabled: false, 
	log: function() {
		dbug.logged.push(arguments);
	},
	nolog: function(msg) {
		dbug.logged.push(arguments);
	},
	time: function(name){
		dbug.timers[name] = new Date().getTime();
	},
	timeEnd: function(name){
		if (dbug.timers[name]) {
			var end = new Date().getTime() - dbug.timers[name];
			dbug.timers[name] = false;
			dbug.log('%s: %s', name, end);
		} else dbug.log('no such timer: %s', name);
	},
	enable: function(silent) { 
		if(dbug.firebug) {
			try {
				dbug.enabled = true;
				dbug.log = console.debug || console.log;
				dbug.time = console.time;
				dbug.timeEnd = console.timeEnd;
				if(!silent) dbug.log('enabling dbug');
				for(var i=0;i<dbug.logged.length;i++){ dbug.log.apply(console, dbug.logged[i]); }
				dbug.logged=[];
			} catch(e) {
				dbug.enable.delay(400);
			}
		}
	},
	disable: function(){ 
		if(dbug.firebug) dbug.enabled = false;
		dbug.log = dbug.nolog;
		dbug.time = function(){};
		dbug.timeEnd = function(){};
	},
	cookie: function(set){
		var value = document.cookie.match('(?:^|;)\\s*jsdebug=([^;]*)');
		var debugCookie = value ? unescape(value[1]) : false;
		if((debugCookie != 'true' || set) && !set) {
			dbug.enable();
			dbug.log('setting debugging cookie');
			var date = new Date();
			date.setTime(date.getTime()+(24*60*60*1000));
			document.cookie = 'jsdebug=true;expires='+date.toGMTString()+';path=/;';
		} else dbug.disableCookie();
	},
	disableCookie: function(){
		dbug.log('disabling debugging cookie');
		document.cookie = 'jsdebug=false;path=/;';
	}
};

(function(){
	var fb = typeof console != "undefined";
	var debugMethods = ['debug','info','warn','error','assert','dir','dirxml'];
	var otherMethods = ['trace','group','groupEnd','profile','profileEnd','count'];
	function set(methodList, defaultFunction) {
		for(var i = 0; i < methodList.length; i++){
			dbug[methodList[i]] = (fb && console[methodList[i]])?console[methodList[i]]:defaultFunction;
		}
	};
	set(debugMethods, dbug.log);
	set(otherMethods, function(){});
})();
if (typeof console != "undefined" && console.warn){
	dbug.firebug = true;
	var value = document.cookie.match('(?:^|;)\\s*jsdebug=([^;]*)');
	var debugCookie = value ? unescape(value[1]) : false;
	if(window.location.href.indexOf("jsdebug=true")>0 || debugCookie=='true') dbug.enable();
	if(debugCookie=='true')dbug.log('debugging cookie enabled');
	if(window.location.href.indexOf("jsdebugCookie=true")>0){
		dbug.cookie();
		if(!dbug.enabled)dbug.enable();
	}
	if(window.location.href.indexOf("jsdebugCookie=false")>0)dbug.disableCookie();
}


function dbugScripts(baseurl,libs){
	var value = document.cookie.match('(?:^|;)\\s*jsdebug=([^;]*)');
	var debugCookie = value ? unescape(value[1]) : false;
	if(window.location.href.indexOf("basePath=this")>0){
		var path=baseurl.substring(baseurl.substring(7,baseurl.length).indexOf("/")+8,baseurl.length);
		var href=window.location.href;
		baseurl=href.substring(href.substring(7,href.length).indexOf("/")+8,href.length);
	}
	if(window.location.href.indexOf("jsdebug=true")>0 || window.location.href.indexOf("jsdebugCookie=true")>0 || debugCookie == 'true'){ 
		if (libs) {
			for(var i=0;i<libs.length;i++){
				document.write("<scri"+"pt src=\""+baseurl+libs[i]+"\" type=\"text/javascript\"></scr"+"ipt>");
			}
		} else {
			document.write("<scri"+"pt src=\""+baseurl+"\" type=\"text/javascript\"></scr"+"ipt>");
		}
		return true;
	}
	return false;
};

/*
Script: IframeShim.js
	Defines IframeShim, a class for obscuring select lists and flash objects in IE.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/	
var IframeShim = new Class({
	Implements: [Options, Events],
	options: {
		name: '',
		className:'iframeShim',
		display:false,
		zindex: null,
		margin: 0,
		offset: {
			x: 0,
			y: 0
		},
		position: '',
		browsers: (Browser.Engine.trident4 || (Browser.Engine.gecko && Browser.Platform.mac))
	},
	initialize: function (element, options){
		this.setOptions(options);
		//legacy
		if(this.options.offset && this.options.offset.top) this.options.offset.y = this.options.offset.top;
		if(this.options.offset && this.options.offset.left) this.options.offset.x = this.options.offset.left;
		this.element = $(element);
		this.makeShim();
		return;
	},
	makeShim: function(){
		this.shim = new Element('iframe');
		this.id = this.options.name || new Date().getTime() + "_shim";
		if(this.element.getStyle('z-Index').toInt()<1 || isNaN(this.element.getStyle('z-Index').toInt()))
			this.element.setStyle('z-Index',5);
		var z = this.element.getStyle('z-Index')-1;
		
		if($chk(this.options.zindex) && 
			 this.element.getStyle('z-Index').toInt() > this.options.zindex)
			 z = this.options.zindex;
			
 		this.shim.setStyles({
			'position': 'absolute',
			'zIndex': z,
			'border': '0',
      'filter': 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
		}).setProperties({
			'src':'javascript:void(0);',
			'frameborder':'0',
			'scrolling':'no',
			'id':this.id
		}).addClass(this.options.className);
		
		this.element.store('shim', this);

		var inject = function(){
			this.shim.inject(this.element, 'after');
			if(this.options.display) this.show();
			else this.hide();
			this.fireEvent('onInject');
		};
		if(this.options.browsers){
			if(Browser.Engine.trident && !IframeShim.ready) {
				window.addEvent('load', inject.bind(this));
			} else {
				inject.run(null, this);
			}
		}
	},
	position: function(shim){
		if(!this.options.browsers || !IframeShim.ready) return this;
		var before = this.element.getStyles('display', 'visibility', 'position');
		this.element.setStyles({
			display: 'block',
			position: 'absolute',
			visibility: 'hidden'
		});
		var size = this.element.getSize();
		this.element.setStyles(before);
		if($type(this.options.margin)){
			size.x = size.x-(this.options.margin*2);
			size.y = size.y-(this.options.margin*2);
			this.options.offset.x += this.options.margin; 
			this.options.offset.y += this.options.margin;
		}
 		this.shim.setStyles({
			'width': size.x,
			'height': size.y
		}).setPosition({
		  position: this.options.position,
			relativeTo: this.element,
			offset: this.options.offset
		});
		return this;
	},
	hide: function(){
		if(this.options.browsers) this.shim.setStyle('display','none');
		return this;
	},
	show: function(){
		if(!this.options.browsers) return this;
		this.shim.setStyle('display','block');
		return this.position();
	},
	dispose: function(){
		if(this.options.browsers) this.shim.dispose();
		return this;
	}
});
window.addEvent('load', function(){
	IframeShim.ready = true;
});


/*
Script: FixPNG.js
	Extends the Browser hash object to include methods useful in managing the window location and urls.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
Browser.combine({
	fixPNG: function(el) {
		try {
			if (Browser.Engine.trident4){
				el = $(el);
				if (!el) return el;
				if (el.get('tag') == "img" && el.get('src').test(".png")) {      	  
					var vis = el.isVisible();
					try { //safari sometimes crashes here, so catch it
						dim = el.getSize();
					}catch(e){}
					if(!vis){
						var before = {};
						//use this method instead of getStyles 
						['visibility', 'display', 'position'].each(function(style){
							before[style] = this.style[style]||'';
						}, this);
						//this.getStyles('visibility', 'display', 'position');
						this.setStyles({
							visibility: 'hidden',
							display: 'block',
							position:'absolute'
						});
						dim = el.getSize(); //works now, because the display isn't none
						this.setStyles(before); //put it back where it was
						el.hide();
					}
					var replacement = new Element('span', {
						id:(el.id)?el.id:'',
						'class':(el.className)?el.className:'',
						title:(el.title)?el.title:(el.alt)?el.alt:'',
						styles: {
							display: vis?'inline-block':'none',
							width: dim.x,
							height: dim.y,
							filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader (src='" 
								+ el.src + "', sizingMethod='scale');"
						},
						src: el.src
					});
					if(el.style.cssText) {
						try {
							var styles = {};
							var s = el.style.cssText.split(';');
							s.each(function(style){
								var n = style.split(':');
								styles[n[0]] = n[1];
							});
							replacement.setStyle(styles);
						} catch(e){ dbug.log('fixPNG1: ', e);}
					}
					if(replacement.cloneEvents) replacement.cloneEvents(el);				  
					replacement.replaces(el);
				} else if (el.get('tag') != "img") {
				 	var imgURL = el.getStyle('background-image');
				 	if (imgURL.test(/\((.+)\)/)){
				 		el.setStyles({
				 			background: '',
				 			filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true', sizingMethod='crop', src=" + imgURL.match(/\((.+)\)/)[1] + ")"
				 		});
				 	};
				}
			}
		} catch(e) {dbug.log('fixPNG2: ', e);}
	}
});
if(Browser.Engine.trident4) window.addEvent('domready', function(){$$('img.fixPNG').each(Browser.fixPNG);});

/*
Script: Element.Measure.js
	Extends the Element native object to include methods useful in measuring dimensions.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

Element.implement({

	expose: function(){
		if (this.getStyle('display') != 'none') return $empty;
		var before = {};
		//use this method instead of getStyles 
		['visibility', 'display', 'position'].each(function(style){
			before[style] = this.style[style]||'';
		}, this);
		//this.getStyles('visibility', 'display', 'position');
		this.setStyles({
			visibility: 'hidden',
			display: 'block',
			position:'absolute'
		});
		return (function(){
			this.setStyles(before);
		}).bind(this);
	},
	
	getDimensions: function(options) {
		options = $merge({computeSize: false},options);
		var dim = {};
		function getSize(el, options){
			if(options.computeSize) dim = el.getComputedSize(options);
			else {
				var sz = el.getSize();
				dim.width = sz.x;
				dim.height = sz.y;
			}
			return dim;
		}
		try { //safari sometimes crashes here, so catch it
			dim = getSize(this, options);
		}catch(e){}
		if(this.getStyle('display') == 'none'){
			var restore = this.expose();
			dim = getSize(this, options); //works now, because the display isn't none
			restore(); //put it back where it was
		}
		return $merge(dim, {x: dim.width, y: dim.height});
	},
	
	getComputedSize: function(options){
		options = $merge({
			styles: ['padding','border'],
			plains: {height: ['top','bottom'], width: ['left','right']},
			mode: 'both'
		}, options);
		var size = {width: 0,height: 0};
		switch (options.mode){
			case 'vertical':
				delete size.width;
				delete options.plains.width;
				break;
			case 'horizontal':
				delete size.height;
				delete options.plains.height;
				break;
		};
		var getStyles = [];
		//this function might be useful in other places; perhaps it should be outside this function?
		$each(options.plains, function(plain, key){
			plain.each(function(edge){
				options.styles.each(function(style){
					getStyles.push((style=="border")?style+'-'+edge+'-'+'width':style+'-'+edge);
				});
			});
		});
		var styles = this.getStyles.apply(this, getStyles);
		var subtracted = [];
		$each(options.plains, function(plain, key){ //keys: width, height, plains: ['left','right'], ['top','bottom']
			size['total'+key.capitalize()] = 0;
			size['computed'+key.capitalize()] = 0;
			plain.each(function(edge){ //top, left, right, bottom
				size['computed'+edge.capitalize()] = 0;
				getStyles.each(function(style,i){ //padding, border, etc.
					//'padding-left'.test('left') size['totalWidth'] = size['width']+[padding-left]
					if(style.test(edge)) {
						styles[style] = styles[style].toInt(); //styles['padding-left'] = 5;
						if(isNaN(styles[style]))styles[style]=0;
						size['total'+key.capitalize()] = size['total'+key.capitalize()]+styles[style];
						size['computed'+edge.capitalize()] = size['computed'+edge.capitalize()]+styles[style];
					}
					//if width != width (so, padding-left, for instance), then subtract that from the total
					if(style.test(edge) && key!=style && 
						(style.test('border') || style.test('padding')) && !subtracted.contains(style)) {
						subtracted.push(style);
						size['computed'+key.capitalize()] = size['computed'+key.capitalize()]-styles[style];
					}
				});
			});
		});
		if($chk(size.width)) {
			size.width = size.width+this.offsetWidth+size.computedWidth;
			size.totalWidth = size.width + size.totalWidth;
			delete size.computedWidth;
		}
		if($chk(size.height)) {
			size.height = size.height+this.offsetHeight+size.computedHeight;
			size.totalHeight = size.height + size.totalHeight;
			delete size.computedHeight;
		}
		return $merge(styles, size);
	}
});


/*
Script: Element.Position.js
	Extends the Element native object to include methods useful positioning elements relative to others.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

Element.implement({
	setPosition: function(options){
		$each(options, function(v, k){
			if (!$defined(v)) delete options[k];
		});
		options = $merge({
			relativeTo: document.body,
			position: {
				x: 'center', //left, center, right
				y: 'center' //top, center, bottom
			},
			edge: false,
			offset: {x:0,y:0},
			returnPos: false,
			relFixedPosition: false,
			ignoreMargins: false
		}, options);
		//compute the offset of the parent positioned element if this element is in one
		var parentOffset = {x: 0, y: 0};
		var parentPositioned = false;
		if(this.getParent() != document.body) {
			var parent = this.getParent();
			while(parent != document.body && parent.getStyle('position') == "static") {
				parent = parent.getParent();
			}
			if(parent != document.body) {
				parentOffset = parent.getPosition();
				parentPositioned = true;
			}
			options.offset.x = options.offset.x - parentOffset.x;
			options.offset.y = options.offset.y - parentOffset.y;
		}
		//upperRight, bottomRight, centerRight, upperLeft, bottomLeft, centerLeft
		//topRight, topLeft, centerTop, centerBottom, center
		function fixValue(option) {
			if($type(option) != "string") return option;
			option = option.toLowerCase();
			var val = {};
			if(option.test('left')) val.x = 'left';
			else if(option.test('right')) val.x = 'right';
			else val.x = 'center';

			if(option.test('upper')||option.test('top')) val.y = 'top';
			else if (option.test('bottom')) val.y = 'bottom';
			else val.y = 'center';
			return val;
		};
		options.edge = fixValue(options.edge);
		options.position = fixValue(options.position);
		if(!options.edge) {
			if(options.position.x == 'center' && options.position.y == 'center') options.edge = {x:'center',y:'center'};
			else options.edge = {x:'left',y:'top'};
		}
		
		this.setStyle('position', 'absolute');
		var rel = $(options.relativeTo) || document.body;
    var top = (rel == document.body)?window.getScroll().y:rel.getTop();
    var left = (rel == document.body)?window.getScroll().x:rel.getLeft();
		
		if (top < 0) top = 0;
    if (left < 0) left = 0;
		var dim = this.getDimensions({computeSize: true, styles:['padding', 'border','margin']});
		if (options.ignoreMargins) {
			options.offset.x += ((options.edge && options.edge.x == "right")?dim['margin-right']:-dim['margin-left']);
			options.offset.y += ((options.edge && options.edge.y == "bottom")?dim['margin-bottom']:-dim['margin-top']);
		}
		var pos = {};
		var prefY = options.offset.y.toInt();
		var prefX = options.offset.x.toInt();
		switch(options.position.x) {
			case 'left':
				pos.x = left + prefX;
				break;
			case 'right':
				pos.x = left + prefX + rel.offsetWidth;
				break;
			default: //center
				pos.x = left + (((rel == document.body)?window.getSize().x:rel.offsetWidth)/2) + prefX;
				break;
		};		
		switch(options.position.y) {
			case 'top':
				pos.y = top + prefY;
				break;
			case 'bottom':
				pos.y = top + prefY + rel.offsetHeight;
				break;
			default: //center
				pos.y = top + (((rel == document.body)?window.getSize().y:rel.offsetHeight)/2) + prefY;
				break;
		};
		
		if(options.edge){
			var edgeOffset = {};
			
			switch(options.edge.x) {
				case 'left':
					edgeOffset.x = 0;
					break;
				case 'right':
					edgeOffset.x = -dim.x-dim.computedRight-dim.computedLeft;
					break;
				default: //center
					edgeOffset.x = -(dim.x/2);
					break;
			};
			switch(options.edge.y) {
				case 'top':
					edgeOffset.y = 0;
					break;
				case 'bottom':
					edgeOffset.y = -dim.y-dim.computedTop-dim.computedBottom;
					break;
				default: //center
					edgeOffset.y = -(dim.y/2);
					break;
			};
			pos.x = pos.x+edgeOffset.x;
			pos.y = pos.y+edgeOffset.y;
		}
		pos = {
			left: ((pos.x >= 0 || parentPositioned)?pos.x:0).toInt(),
			top: ((pos.y >= 0 || parentPositioned)?pos.y:0).toInt()
		};
		if(rel.getStyle('position') == "fixed"||options.relFixedPosition) {
			pos.top = pos.top.toInt() + window.getScroll().y;
			pos.left = pos.left.toInt() + window.getScroll().x;
		}

		if(options.returnPos) return pos;
		else this.setStyles(pos);
		return this;
	}
});

/*
Script: Element.Pin.js
	Extends the Element native object to include the pin method useful for fixed positioning for elements.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

window.addEvent('domready', function(){
	var test = new Element('div').setStyles({
		position: 'fixed',
		top: 0,
		right: 0
	}).inject(document.body);
	var supported = (test.offsetTop === 0);
	test.dispose();
	Browser.set('supportsPositionFixed', supported);
});

Element.implement({
	pin: function(enable){
		var p = this.getPosition();
		if(enable!==false) {
			if(!this.pinned) {
				var pos = {
					top: (p.y - window.getScroll().y),
					left: (p.x - window.getScroll().x)
				};
				if(Browser.get('supportsPositionFixed')) {
					this.setStyle('position','fixed').setStyles(pos);
				} else {
					this.setStyles({
						position: 'absolute',
						top: p.y,
						left: p.x
					});
					window.addEvent('scroll', function(){
						if(this.pinned) {
							var to = {
								top: (pos.top.toInt() + window.getScroll().y),
								left: (pos.left.toInt() + window.getScroll().x)
							};
							this.setStyles(to);
						}
					}.bind(this));
				}
				this.pinned = true;
			}
		} else {
			this.pinned = false;
			var reposition = (Browser.get('supportsPositionFixed'))?
				{
					top: (p.y + window.getScroll().y),
					left: (p.x + window.getScroll().x)
				}:
				{
					top: (p.y),
					left: (p.x)
				};
			this.setStyles($merge(reposition, {position: 'absolute'}));
		}
		return this;
	},
	unpin: function(){
		return this.pin(false);
	},
	togglepin: function(){
		this.pin(!this.pinned);
	}
});


/*
Script: Element.Forms.js
	Extends the Element native object to include methods useful in managing inputs.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
Element.implement({
	tidy: function(){
		try {	
			this.set('value', this.get('value').tidy());
		}catch(e){dbug.log('element.tidy error: %o', e);}
	},
	getTextInRange: function(start, end) {
		return this.get('value').substring(start, end);
	},
	getSelectedText: function() {
		if(Browser.Engine.trident) return document.selection.createRange().text;
		return this.get('value').substring(this.getSelectionStart(), this.getSelectionEnd());
	},
	getSelectionStart: function() {
		if(Browser.Engine.trident) {
			var offset = (Browser.Engine.trident4)?3:2;
			this.focus();
			var range = document.selection.createRange();
			if (range.compareEndPoints("StartToEnd", range) != 0) range.collapse(true);
			return range.getBookmark().charCodeAt(2) - offset;
		}
		return this.selectionStart;
	},
	getSelectionEnd: function() {
		if(Browser.Engine.trident) {
			var offset = (Browser.Engine.trident4)?3:2;
			var range = document.selection.createRange();
			if (range.compareEndPoints("StartToEnd", range) != 0) range.collapse(false);
			return range.getBookmark().charCodeAt(2) - offset;
		}
		return this.selectionEnd;
	},
	getSelectedRange: function() {
		return {
			start: this.getSelectionStart(),
			end: this.getSelectionEnd()
		};
	},
	setCaretPosition: function(pos) {
		if(pos == 'end') pos = this.get('value').length;
		this.selectRange(pos, pos);
		return this;
	},
	getCaretPosition: function() {
		return this.getSelectedRange().start;
	},
	selectRange: function(start, end) {
		this.focus();
		if(Browser.Engine.trident) {
			var range = this.createTextRange();
			range.collapse(true);
			range.moveStart('character', start);
			range.moveEnd('character', end - start);
			range.select();
			return this;
		}
		this.setSelectionRange(start, end);
		return this;
	},
	insertAtCursor: function(value, select) {
		var start = this.getSelectionStart();
		var end = this.getSelectionEnd();
		this.set('value', this.get('value').substring(0, start) + value + this.get('value').substring(end, this.get('value').length));
 		if($pick(select, true)) this.selectRange(start, start + value.length);
		else this.setCaretPosition(start + value.length);
		return this;
	},
	insertAroundCursor: function(options, select) {
		options = $extend({
			before: '',
			defaultMiddle: 'SOMETHING HERE',
			after: ''
		}, options);
		value = this.getSelectedText() || options.defaultMiddle;
		var start = this.getSelectionStart();
		var end = this.getSelectionEnd();
		if(start == end) {
			var text = this.get('value');
			this.set('value', text.substring(0, start) + options.before + value + options.after + text.substring(end, text.length));
			this.selectRange(start + options.before.length, end + options.before.length + value.length);
			text = null;
		} else {
			text = this.get('value').substring(start, end);
			this.set('value', this.get('value').substring(0, start) + options.before + text + options.after + this.get('value').substring(end, this.get('value').length));
			var selStart = start + options.before.length;
			if($pick(select, true)) this.selectRange(selStart, selStart + text.length);
			else this.setCaretPosition(selStart + text.length);
		}	
		return this;
	}
});


Element.Properties.inputValue = {
 
    get: function(){
			 switch(this.get('tag')) {
			 	case 'select':
					vals = this.getSelected().map(function(op){ 
						var v = $pick(op.get('value'),op.get('text')); 
						return (v=="")?op.get('text'):v;
					});
					return this.get('multiple')?vals:vals[0];
				case 'input':
					switch(this.get('type')) {
						case 'checkbox':
							return this.get('checked')?this.get('value'):false;
						case 'radio':
							var checked;
							if (this.get('checked')) return this.get('value');
							$(this.getParent('form')||document.body).getElements('input').each(function(input){
								if (input.get('name') == this.get('name') && input.get('checked')) checked = input.get('value');
							}, this);
							return checked||null;
					}
			 	case 'input': case 'textarea':
					return this.get('value');
				default:
					return this.get('inputValue');
			 }
    },
 
    set: function(value){
			switch(this.get('tag')){
				case 'select':
					this.getElements('option').each(function(op){
						var v = $pick(op.get('value'), op.get('text'));
						if (v=="") v = op.get('text');
						op.set('selected', $splat(value).contains(v));
					});
					break;
				case 'input':
					if (['radio','checkbox'].contains(this.get('type'))) {
						this.set('checked', $type(value)=="boolean"?value:$splat(value).contains(this.get('value')));
						break;
					}
				case 'textarea': case 'input':
					this.set('value', value);
					break;
				default:
					this.set('inputValue', value);
			}
			return this;
    },
		
		erase: function() {
			switch(this.get('tag')) {
				case 'select':
					this.getElements('option').each(function(op) {
						op.set('selected', false);
					});
					break;
				case 'input':
					if (['radio','checkbox'].contains(this.get('type'))) {
						this.set('checked', false);
						break;
					}
				case 'input': case 'textarea':
					this.set('value', '');
					break;
				default:
					this.set('inputValue', '');
			}
			return this;
		}

};


/*
Script: Element.Shortcuts.js
	Extends the Element native object to include some shortcut methods.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

Element.implement({
	isVisible: function() {
		return this.getStyle('display') != 'none';
	},
	toggle: function() {
		return this[this.isVisible() ? 'hide' : 'show']();
	},
	hide: function() {
		var d;
		try {
			//IE fails here if the element is not in the dom
			d = this.getStyle('display');
		} catch(e){}
		this.store('originalDisplay', d||'block'); 
		this.setStyle('display','none');
		return this;
	},
	show: function(display) {
		original = this.retrieve('originalDisplay')?this.retrieve('originalDisplay'):this.get('originalDisplay');
		this.setStyle('display',(display || original || 'block'));
		return this;
	},
  swapClass: function(remove, add) {
    return this.removeClass(remove).addClass(add);
  },
	//TODO
	//DO NOT USE THIS METHOD
	//it is temporary, as Mootools 1.1 will negate its requirement
	fxOpacityOk: function(){
		return !Browser.Engine.trident4;
	}
});

/*
Script: StyleWriter.js

Provides a simple method for injecting a css style element into the DOM if it's not already present.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

var StyleWriter = new Class({
	createStyle: function(css, id) {
		window.addEvent('domready', function(){
			try {
				if($(id) && id) return;
				var style = new Element('style', {id: id||''}).inject($$('head')[0]);
				if (Browser.Engine.trident) style.styleSheet.cssText = css;
				else style.set('text', css);
			}catch(e){dbug.log('error: %s',e);}
		}.bind(this));
	}
});

/*
Script: modalizer.js
	Defines Modalizer: functionality to overlay the window contents with a semi-transparent layer that prevents interaction with page content until it is removed

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var Modalizer = new Class({
	defaultModalStyle: {
		display:'block',
		position:'fixed',
		top:0,
		left:0,	
		'z-index':5000,
		'background-color':'#333',
		opacity:0.8
	},
	setModalOptions: function(options){
		this.modalOptions = $merge({
			width:(window.getScrollSize().x+300),
			height:(window.getScrollSize().y+300),
			elementsToHide: 'select',
			onModalHide: $empty,
			onModalShow: $empty,
			hideOnClick: true,
			modalStyle: {},
			updateOnResize: true
		}, this.modalOptions, options);
		return this;
	},
	toElement: function(){
		return $('modalOverlay');
	},
	resize: function(){
		if($('modalOverlay')) {
			$('modalOverlay').setStyles({
				width:(window.getScrollSize().x+300),
				height:(window.getScrollSize().y+300)
			});
		}
	},
	setModalStyle: function (styleObject){
		this.modalOptions.modalStyle = styleObject;
		this.modalStyle = $merge(this.defaultModalStyle, {
			width:this.modalOptions.width,
			height:this.modalOptions.height
		}, styleObject);
		if($('modalOverlay')) $('modalOverlay').setStyles(this.modalStyle);
		return(this.modalStyle);
	},
	modalShow: function(options){
		this.setModalOptions(options);
		var overlay = null;
		if($('modalOverlay')) overlay = $('modalOverlay');
		if(!overlay) overlay = new Element('div', {id: 'modalOverlay'}).inject(document.body);
		overlay.setStyles(this.setModalStyle(this.modalOptions.modalStyle));
		if(Browser.Engine.trident4) overlay.setStyle('position','absolute');
		$('modalOverlay').removeEvents('click').addEvent('click', function(){
			this.modalHide(this.modalOptions.hideOnClick);
		}.bind(this));
		this.bound = this.bound||{};
		if(!this.bound.resize && this.modalOptions.updateOnResize) {
			this.bound.resize = this.resize.bind(this);
			window.addEvent('resize', this.bound.resize);
		}
		if ($type(this.modalOptions.onModalShow)  == "function") this.modalOptions.onModalShow();
		this.togglePopThroughElements(0);
		overlay.setStyle('display','block');
		return this;
	},
	modalHide: function(override){
		if (!($defined(this.marked_for_reload) && this.marked_for_reload)) {
			if(override === false) return false; //this is internal, you don't need to pass in an argument
			this.togglePopThroughElements(1);
			if ($type(this.modalOptions.onModalHide) == "function") this.modalOptions.onModalHide();
			if($('modalOverlay'))$('modalOverlay').setStyle('display','none');
			if(this.modalOptions.updateOnResize) {
				this.bound = this.bound||{};
				if(!this.bound.resize) this.bound.resize = this.resize.bind(this);
				window.removeEvent('resize', this.bound.resize);
			}
			return this;
		}
	},
	togglePopThroughElements: function(opacity){
		if(Browser.Engine.trident4 || (Browser.Engine.gecko && Browser.Platform.mac)) {
			$$(this.modalOptions.elementsToHide).each(function(sel){
				sel.setStyle('opacity', opacity);
			});
		}
	}
});


/*
Script: StickyWin.js

Creates a div within the page with the specified contents at the location relative to the element you specify; basically an in-page popup maker.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

var StickyWin = new Class({
	Implements: [Options, Events, StyleWriter],
	options: {
//	onDisplay: $empty,
//	onClose: $empty,
		closeClassName: 'closeSticky',
		pinClassName: 'pinSticky',
		content: '',
		zIndex: 10000,
		className: '',
		//id: ... set above in initialize function
/*  these are the defaults for setPosition anyway
************************************************
//		edge: false, //see Element.setPosition in element.cnet.js
//		position: 'center', //center, corner == upperLeft, upperRight, bottomLeft, bottomRight
//		offset: {x:0,y:0},
//	  relativeTo: document.body, */
		width: false,
		height: false,
		timeout: -1,
		allowMultipleByClass: false,
		allowMultiple: true,
		showNow: true,
		useIframeShim: true,
		iframeShimSelector: '',
		width_offset: (Browser.Engine.trident4) ? 80 : 70
	},
	css: '.SWclearfix:after {content: "."; display: block; height: 0; clear: both; visibility: hidden;}'+
			 '.SWclearfix {display: inline-table;}'+
			 '* html .SWclearfix {height: 1%;}'+
			 '.SWclearfix {display: block;}',
	initialize: function(options){
		this.setOptions(options);
		this.id = this.options.id || 'StickyWin_'+new Date().getTime();
		this.makeWindow();
		if(this.options.content) this.setContent(this.options.content);
		if(this.options.showNow) this.show();
		//add css for clearfix
		this.createStyle(this.css, 'StickyWinClearFix');
	},
	toElement: function() {
		return this.win;
	},
	makeWindow: function() {
		this.destroyOthers();
		if(!$(this.id)) {
			this.win = new Element('div', {
				id:		this.id
			}).addClass(this.options.className).addClass('StickyWinInstance').addClass('SWclearfix').setStyles({
				 	display:'none',
					position:'absolute',
					zIndex:this.options.zIndex
				}).inject(document.body);
		} else this.win = $(this.id);
		if(this.options.width && $type(this.options.width.toInt())=="number") this.win.setStyle('width', this.options.width.toInt());
		if(this.options.height && $type(this.options.height.toInt())=="number") this.win.setStyle('height', this.options.height.toInt());
		return this;
	},
	show: function(){
		if(!this.positioned) this.position();
		this.showWin();
		if(this.options.useIframeShim) this.showIframeShim();
		this.visible = true;
		this.fireEvent('onDisplay');
    this.win.getElements('select').each(function(e){
      e.removeProperty('style');
    });
		return this;
	},
	showWin: function(){
		this.win.setStyle('display','block');
	},
	hide: function(){
		if ($defined(this.marked_for_reload) && this.marked_for_reload) {
			console.warn('marked for reload!');
			Spinner.show();
			this.hideWin();
			window.location.href = window.location.href;
		} else {
			this.fireEvent('onClose');
			this.hideWin();
			if(this.options.useIframeShim) this.hideIframeShim();
			this.visible = false;
			return this;
		}
	},
	hideWin: function(){
		this.win.setStyle('display','none');
	},
	destroyOthers: function() {
		if(!this.options.allowMultipleByClass || !this.options.allowMultiple) {
			$$('div.StickyWinInstance').each(function(sw) {
				if(!this.options.allowMultiple || (!this.options.allowMultipleByClass && sw.hasClass(this.options.className))) 
					sw.dispose();
			}, this);
		}
	},
	setContent: function(html) {
		if(this.win.getChildren().length>0) this.win.empty();
		if($type(html) == "string") this.win.set('html', html);
		else if ($(html)) this.win.adopt(html);
	  var width_offset = this.options.width_offset;
    if (this.options.width && this.win.getElement(".popupContent")) this.win.getElement(".popupContent").setStyle('width', this.options.width - width_offset);
		this.win.getElements('.'+this.options.closeClassName).addEvent('click', function(ev) {
			ev.stop();
			this.hide();
		}.bind(this));
		this.win.getElements('.'+this.options.pinClassName).addEvent('click', this.togglepin.bind(this));
    if (this.win.getElement(".body") && this.options.height) {
      this.win.getElement(".body").setStyle('height', this.options.height - 38);
    }
		return this;
	},
	position: function(){
		this.positioned = true;
		this.win.setPosition({
			relativeTo: this.options.relativeTo,
			position: this.options.position,
			offset: this.options.offset,
			edge: this.options.edge
		});
		if(this.shim) this.shim.position();
		return this;
	},
	pin: function(pin) {
		if(!this.win.pin) {
			dbug.log('you must include element.pin.js!');
			return this;
		}
		this.pinned = $pick(pin, true);
		this.win.pin(pin);
		return this;
	},
	unpin: function(){
		return this.pin(false);
	},
	togglepin: function(){
		return this.pin(!this.pinned);
	},
	makeIframeShim: function(){
		if(!this.shim){
			var el = (this.options.iframeShimSelector)?this.win.getElement(this.options.iframeShimSelector):this.win;
			this.shim = new IframeShim(el, {
				display: false,
				name: 'StickyWinShim'
			});
		}
	},
	showIframeShim: function(){
		if(this.options.useIframeShim) {
			this.makeIframeShim();
			this.shim.show();
		}
	},
	hideIframeShim: function(){
		if(this.options.useIframeShim)
			if (this.shim) this.shim.hide();
	},
	destroy: function(){
		if (this.win) this.win.dispose();
		if(this.options.useIframeShim) this.shim.dispose();
		if($('modalOverlay'))$('modalOverlay').dispose();
	}
});


/*
Script: StickyWinFx.js

Extends StickyWin to create popups that fade in and out and can be dragged and resized (requires StickyWinFx.Drag.js).

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var StickyWinFx = new Class({
	Extends: StickyWin,
	options: {
		fade: true,
		fadeDuration: 150,
//	fadeTransition: 'sine:in:out',
		draggable: false,
		dragOptions: {},
		dragHandleSelector: '.dragHandle',
		resizable: false,
		resizeOptions: {},
		resizeHandleSelector: ''
	},
	setContent: function(html){
		this.parent(html);
		if(this.options.draggable) this.makeDraggable();
		if(this.options.resizable) this.makeResizable();
		return this;
	},	
	hideWin: function(){
		if(this.options.fade) this.fade(0);
		else this.win.setStyle('display', 'none');
	},
	showWin: function(){
		if(this.options.fade) this.fade(1);
		else this.win.setStyle('display', 'block');
	},
	fade: function(to){
		if(!this.fadeFx) {
			this.win.setStyles({
				opacity: 0,
				display: 'block'
			});
			var opts = {
				property: 'opacity',
				duration: this.options.fadeDuration
			};
			if (this.options.fadeTransition) opts.transition = this.options.fadeTransition;
			this.fadeFx = new Fx.Tween(this.win, opts);
		}
		if (to > 0) this.win.setStyle('display','block');
		this.fadeFx.clearChain();
		this.fadeFx.start(to).chain(function (){
			if(to == 0) this.win.setStyle('display', 'none');
		}.bind(this));
		return this;
	},
	makeDraggable: function(){
		dbug.log('you must include Drag.js, cannot make draggable');
	},
	makeResizable: function(){
		dbug.log('you must include Drag.js, cannot make resizable');
	}
});

/*
Script: StickyWinFx.Drag.js

Implements drag and resize functionaity into StickyWinFx. See StickyWinFx for the options.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

if(typeof Drag != "undefined"){
	StickyWinFx.implement({
		makeDraggable: function(){
			var toggled = this.toggleVisible(true);
			if(this.options.useIframeShim) {
				this.makeIframeShim();
				var onComplete = (this.options.dragOptions.onComplete || $empty);
				this.options.dragOptions.onComplete = function(){
					onComplete();
					this.shim.position();
				}.bind(this);
			}
			if(this.options.dragHandleSelector) {
				var handle = this.win.getElement(this.options.dragHandleSelector);
				if (handle) {
					handle.setStyle('cursor','move');
					this.options.dragOptions.handle = handle;
				}
			}
			this.win.makeDraggable(this.options.dragOptions);
			if (toggled) this.toggleVisible(false);
		}, 
		makeResizable: function(){
			var toggled = this.toggleVisible(true);
			if(this.options.useIframeShim) {
				this.makeIframeShim();
				var onComplete = (this.options.resizeOptions.onComplete || $empty);
				this.options.resizeOptions.onComplete = function(){
					onComplete();
					this.shim.position();
				}.bind(this);
			}
			if(this.options.resizeHandleSelector) {
				var handle = this.win.getElement(this.options.resizeHandleSelector);
				if(handle) this.options.resizeOptions.handle = this.win.getElement(this.options.resizeHandleSelector);
			}
			this.win.makeResizable(this.options.resizeOptions);
			if (toggled) this.toggleVisible(false);
		},
		toggleVisible: function(show){
			if(!this.visible && Browser.Engine.webkit && $pick(show, true)) {
				this.win.setStyles({
					display: 'block',
					opacity: 0
				});
				return true;
			} else if(!$pick(show, false)){
				this.win.setStyles({
					display: 'none',
					opacity: 1
				});
				return false;
			}
			return false;
		}
	});
}


/*
Script: StickyWin.Modal.js

This script extends StickyWin and StickyWinFx classes to add Modalizer functionality.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var StickyWinModal, StickyWinFxModal;
(function(){
var modalWinBase = function(extend){
	return {
		Extends: extend,
		initialize: function(options){
			options = options||{};
			this.setModalOptions($merge(options.modalOptions||{}, {
				onModalHide: function(){
						this.hide(false);							
					}.bind(this)
				}));
			this.parent(options);
		},
		show: function(showModal){
			if($pick(showModal, true)) this.modalShow();
			this.parent();
		},
		hide: function(hideModal){
			if ($defined(this.marked_for_reload) && this.marked_for_reload) {
				console.warn('marked for reload!');
				Spinner.show();
				this.hideWin();
				window.location.href = window.location.href;
			} else {
				if($pick(hideModal, true))this.modalHide();
				this.parent();
			}
		}
	};
};
StickyWinModal = new Class(modalWinBase(StickyWin));
StickyWinModal.implement(new Modalizer);
StickyWinFxModal = (typeof StickyWinFx != "undefined")?new Class(modalWinBase(StickyWinFx)):$empty;
try { StickyWinFxModal.implement(new Modalizer()); }catch(e){}
})();

/*
Script: StickyWin.Ajaxjs

Adds ajax functionality to all the StickyWin classes.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
 */
(function(){
  var SWA = function(extend){
    return {
      Extends: extend,
      options: {
        url: '',
        showNow: false,
        requestOptions: {
          method: 'get'
        },
        wrapWithUi: false, 
        caption: '',
        uiOptions:{},
        handleResponse: function(response) {
          var data = JSON.decode(response);
					
          if (data) {
					  					  
            var data = $H(data);
            
            document.fireEvent('update_popup', data);
            
            var response = false;
            
            if (data.has('marked_for_reload') && data.get('marked_for_reload')) this.marked_for_reload = true;
            
            if ($defined(this.logged_in) && data.has('logged_in') && this.logged_in != data.get('logged_in')) {
              console.warn('logged in state has changed');
              this.marked_for_reload = true;
            } else {
              console.warn('setting logged in state');
              this.logged_in = data.get('logged_in');
            }
                        
            if (data.get('redirect')) {
              Spinner.show(this.win);
              var re = data.get('redirect');
              if (data.get('force_full_redirect')) {
								console.debug(data.get('redirect'));
                window.location.href = data.get('redirect');
              } else {
                var uri_parts = re.parseUri();
                var uri_query = (uri_parts.query) ? uri_parts.query.parseQueryString() : new Hash();
                uri_query.set('retain_messages',true);
                var new_query = uri_query.toQueryString();
                (function() {this.update(add_extension(uri_parts.path+"?"+new_query, ".json"));}).delay(100, this);
              }
              return;
            } else if (data.get('reload')) {
              this.marked_for_reload = false;
              Spinner.show(this.win);
              this.hideWin();
              window.location.href = window.location.href;
              return;
            } else if (data.get('close_popup')) {
              this.hide();
              if (data.has('messages') && !this.marked_for_reload) Messages.show(data.get('messages'));
              return;
            } else if (data.get('html') && !(data.has('editor') && data.get('editor'))) {
              response = data.get('html');
            }
          }
					
          if (response) {
            if ((Browser.Engine.trident || Browser.Engine.webkit) && this.evalScripts) {
              var scripts = "";
              var html = response.stripScripts(function(script){
                scripts += script.trim() + "\n";
              });
            }
            
            if (this.options.wrapWithUi) 
              response = StickyWin.ui(this.options.caption, response, this.options.uiOptions);

            this.setContent(response);

            if ((Browser.Engine.trident || Browser.Engine.webkit) && this.evalScripts && scripts != "") $exec(scripts);
          
            this.show();
          
          }
          
          var forms = this.win.getElements('form') || this.win.getElements('form');
          // munge form tags
          if (forms) {
            for (var i=0; i < forms.length; i++) {
              forms[i].addEvent('submit', function(ev){
                ev.stop();
                var re = ev.target.get('action');
                var uri_parts = re.parseUri();
                var uri_query = (uri_parts.query) ? uri_parts.query.parseQueryString() : new Hash();
                uri_query.combine(ev.target.toQueryString().parseQueryString());
                var new_query = uri_query.toQueryString();
                (function() {this.update(add_extension(uri_parts.path+"?"+new_query, ".json"), "post");}).delay(100, this);
              }.bind(this));
            };
          }

          if (this.win.getElements('a')) {
            for (var i=0; i < this.win.getElements('a').length; i++) {
              if(!this.win.getElements('a')[i].hasClass('blockHijack')) this.win.getElements('a')[i].addEvent('click', function(ev){
                var tar = ev.target;
                if (ev.target.get("tag") == "img" || ev.target.get("tag") == "p") {
                  tar = tar.getParent('a');
                }

                if (tar.getProperty('href').indexOf('#') != -1) {
                  ev.stop();
                  var dim = this.win.getElements('a[name='+tar.getProperty('href').replace('#','')+']').getPosition();
                  if (this.win.getElement('.popupContent')) this.win.getElement('.popupContent').scrollTo(dim.x, dim.y);
                } else if (tar.get('target') != "_parent" && !tar.hasClass('closeButton')) {
                  ev.stop();
                  Spinner.show(this.win);
                  var url = tar.get('href');
                  this.update(add_extension(url, ".json"));
                }
              }.bind(this));
            }
          }
          
          Spinner.hide(this.win);
          
          if (data.has('messages')) Messages.show(data.get('messages'));
          
        }
      },
      initialize: function(options){
        this.parent(options);
        this.evalScripts = this.options.requestOptions.evalScripts;
        this.options.requestOptions.evalScripts = false;
        this.createRequest();
      },
      createRequest: function(){
        this.Request = new Request(this.options.requestOptions).addEvent('onSuccess',
        this.options.handleResponse.bind(this));
      },
      update: function(url, method){
        Spinner.show(this.win);
        this.Request.send({url: url||this.options.url, method: method||this.options.requestOptions.method});
        return this;
      }
    };
  };
  try {	StickyWin.Ajax = new Class(SWA(StickyWin)); } catch(e){}
  try {	StickyWinFx.Ajax = new Class(SWA(StickyWinFx)); } catch(e){}
  try {	StickyWinModal.Ajax = new Class(SWA(StickyWinModal)); } catch(e){}
  try {	StickyWinFxModal.Ajax = new Class(SWA(StickyWinFxModal)); } catch(e){}
})();

/*
Script: StickyWin.ui.js

Creates an html holder for in-page popups using a default style.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

StickyWin.ui = function(caption, body, options){
	options = $merge({
		width: 300,
		css: "div.DefaultStickyWin div.body{font-family:verdana; font-size:11px; line-height: 13px;}"+
			"div.DefaultStickyWin div.top_ul{background:url({%baseHref%}full.png) top left no-repeat; height:30px; width:15px; float:left}"+
			"div.DefaultStickyWin div.top_ur{position:relative; left:0px !important; left:-4px; background:url({%baseHref%}full.png) top right !important; height:30px; margin:0px 0px 0px 15px !important; margin-right:-4px; padding:0px}"+
			"div.DefaultStickyWin h1.caption{margin:0px 5px 0px 0px; overflow: hidden; padding:0; font-weight:bold; color:#555; font-size:14px; position:relative; top:8px; left:5px; float: left; height: 22px;}"+
			"div.DefaultStickyWin div.middle, div.DefaultStickyWin div.closeBody {background:url({%baseHref%}body.png) top left repeat-y; margin:0px 20px 0px 0px !important;	margin-bottom: -3px; position: relative;	top: 0px !important; top: -3px;}"+
			"div.DefaultStickyWin div.body{background:url({%baseHref%}body.png) top right repeat-y; padding:8px 30px 8px 0px; margin-left:5px; position:relative; right:-20px}"+
			"div.DefaultStickyWin div.bottom{clear:both}"+
			"div.DefaultStickyWin div.bottom_ll{background:url({%baseHref%}full.png) bottom left no-repeat; width:15px; height:15px; float:left}"+
			"div.DefaultStickyWin div.bottom_lr{background:url({%baseHref%}full.png) bottom right; position:relative; left:0px !important; left:-4px; margin:0px 0px 0px 15px !important; margin-right:-4px; height:15px}"+
			"div.DefaultStickyWin div.closeButtons{text-align: center; background:url({%baseHref%}body.png) top right repeat-y; padding: 0px 30px 8px 0px; margin-left:5px; position:relative; right:-20px}"+
			"div.DefaultStickyWin a.button:hover{background:url({%baseHref%}big_button_over.gif) repeat-x}"+
			"div.DefaultStickyWin a.button {background:url({%baseHref%}big_button.gif) repeat-x; margin: 2px 8px 2px 8px; padding: 2px 12px; cursor:pointer; border: 1px solid #999 !important; text-decoration:none; color: #000 !important;}"+
			"div.DefaultStickyWin div.closeButton{width:13px; height:13px; background:url({%baseHref%}closebtn.gif) no-repeat; position: absolute; right: 0px; margin:10px 15px 0px 0px !important; cursor:pointer}"+
			"div.DefaultStickyWin div.dragHandle {	width: 11px;	height: 25px;	position: relative;	top: 5px;	left: -3px;	cursor: move;	background: url({%baseHref%}drag_corner.gif); float: left;}",
		cornerHandle: false,
		cssClass: '',
		baseHref: 'http://www.cnet.com/html/rb/assets/global/stickyWinHTML/',
		buttons: []
/*	These options are deprecated:		
		closeTxt: false,
		onClose: $empty,
		confirmTxt: false,
		onConfirm: $empty	*/
	}, options);
	//legacy support
	if(options.confirmTxt) options.buttons.push({text: options.confirmTxt, onClick: options.onConfirm || $empty});
	if(options.closeTxt) options.buttons.push({text: options.closeTxt, onClick: options.onClose || $empty});

	new StyleWriter().createStyle(options.css.substitute({baseHref: options.baseHref}, /\\?\{%([^}]+)%\}/g), 'defaultStickyWinStyle');
	caption = $pick(caption, '%caption%');
	body = $pick(body, '%body%');
	var container = new Element('div').setStyle('width', options.width).addClass('DefaultStickyWin');
	if(options.cssClass) container.addClass(options.cssClass);
	//header
	var h1Caption = new Element('h1').addClass('caption').setStyle('width', (options.width.toInt()-(options.cornerHandle?70:60)));

	if($(caption)) h1Caption.adopt(caption);
	else h1Caption.set('html', caption);
	
	var bodyDiv = new Element('div').addClass('body');
	if($(body)) bodyDiv.adopt(body);
	else bodyDiv.set('html', body);
	
	var top_ur = new Element('div').addClass('top_ur').adopt(
			new Element('div').addClass('closeButton').addClass('closeSticky')
		).adopt(h1Caption);
	if(options.cornerHandle) new Element('div').addClass('dragHandle').inject(top_ur, 'top');
	else h1Caption.addClass('dragHandle');
	container.adopt(
		new Element('div').addClass('top').adopt(
				new Element('div').addClass('top_ul')
			).adopt(top_ur)
	);
	//body
	container.adopt(new Element('div').addClass('middle').adopt(bodyDiv));
	//close buttons
	if(options.buttons.length > 0){
		var closeButtons = new Element('div').addClass('closeButtons');
		options.buttons.each(function(button){
			if(button.properties && button.properties.className){
				button.properties['class'] = button.properties.className;
				delete button.properties.className;
			}
			var properties = $merge({'class': 'closeSticky'}, button.properties);
			new Element('a').addEvent('click',
				button.onClick || $empty).appendText(
				button.text).inject(closeButtons).setProperties(properties).addClass('button');
		});
		container.adopt(new Element('div').addClass('closeBody').adopt(closeButtons));
	}
	//footer
	container.adopt(
		new Element('div').addClass('bottom').adopt(
				new Element('div').addClass('bottom_ll')
			).adopt(
				new Element('div').addClass('bottom_lr')
		)
	);
	return container;
};


/**
 * Observer - Observe formelements for changes
 *
 * @version		1.0rc3
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 */
var Observer = new Class({

	Implements: [Options, Events],

	options: {
		periodical: false,
		delay: 1000
	},

	initialize: function(el, onFired, options){
		this.setOptions(options);
		this.addEvent('onFired', onFired);
		this.element = $(el) || $$(el);
		/* CNET change */
		this.boundChange = this.changed.bind(this);
		this.resume();
	},

	changed: function() {
		var value = this.element.get('value');
		if ($equals(this.value, value)) return;
		this.clear();
		this.value = value;
		this.timeout = this.onFired.delay(this.options.delay, this);
	},

	setValue: function(value) {
		this.value = value;
		this.element.set('value', value);
		return this.clear();
	},

	onFired: function() {
		this.fireEvent('onFired', [this.value, this.element]);
	},

	clear: function() {
		$clear(this.timeout || null);
		return this;
	},
	/* CNET change */
	pause: function(){
		$clear(this.timeout);
		$clear(this.timer);
		this.element.removeEvent('keyup', this.boundChange);
		return this;
	},
	resume: function(){
		this.value = this.element.get('value');
		if (this.options.periodical) this.timer = this.changed.periodical(this.options.periodical, this);
		else this.element.addEvent('keyup', this.boundChange);
		return this;
	}

});

var $equals = function(obj1, obj2) {
	return (obj1 == obj2 || JSON.encode(obj1) == JSON.encode(obj2));
};

/**
 * Autocompleter
 *
 * @version		1.1.1
 *
 * @todo: Caching, no-result handling!
 *
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 */
var Autocompleter = {};

var OverlayFix = IframeShim;

Autocompleter.Base = new Class({
	
  Implements: [Options, Events],
	
  options: {
    minLength: 1,
    markQuery: true,
    width: 'inherit',
    maxChoices: 10,
    //	injectChoice: null,
    //	customChoices: null,
    className: 'autocompleter-choices',
    zIndex: 42,
    delay: 400,
    observerOptions: {},
    fxOptions: {},
    //	onSelection: $empty,
    //	onShow: $empty,
    //	onHide: $empty,
    //	onBlur: $empty,
    //	onFocus: $empty,

    autoSubmit: false,
    overflow: false,
    overflowMargin: 25,
    selectFirst: false,
    filter: null,
    filterCase: false,
    filterSubset: false,
    forceSelect: false,
    selectMode: true,
    choicesMatch: null,

    multiple: false,
    separator: ', ',
    separatorSplit: /\s*[,;]\s*/,
    autoTrim: true,
    allowDupes: false,

    cache: true,
    relative: false
  },

  initialize: function(element, options) {
    this.element = $(element);
    this.setOptions(options);
    this.build();
    this.observer = new Observer(this.element, this.prefetch.bind(this), $merge({
      'delay': this.options.delay
    }, this.options.observerOptions));
    this.queryValue = null;
    if (this.options.filter) this.filter = this.options.filter.bind(this);
    var mode = this.options.selectMode;
    this.typeAhead = (mode == 'type-ahead');
    this.selectMode = (mode === true) ? 'selection' : mode;
    this.cached = [];
  },

  /**
   * build - Initialize DOM
   *
   * Builds the html structure for choices and appends the events to the element.
   * Override this function to modify the html generation.
   */
  build: function() {
    if ($(this.options.customChoices)) {
      this.choices = this.options.customChoices;
    } else {
      this.choices = new Element('ul', {
        'class': this.options.className,
        'styles': {
          'zIndex': this.options.zIndex
        }
      }).inject(document.body);
      this.relative = false;
      if (this.options.relative || this.element.getOffsetParent() != document.body) {
        this.choices.inject(this.element, 'after');
        this.relative = this.element.getOffsetParent();
      }
      this.fix = new OverlayFix(this.choices);
    }
    if (!this.options.separator.test(this.options.separatorSplit)) {
      this.options.separatorSplit = this.options.separator;
    }
    this.fx = (!this.options.fxOptions) ? null : new Fx.Tween(this.choices, $merge({
      'property': 'opacity',
      'link': 'cancel',
      'duration': 200
    }, this.options.fxOptions)).addEvent('onStart', Chain.prototype.clearChain).set(0);
    this.element.setProperty('autocomplete', 'off')
    .addEvent((Browser.Engine.trident || Browser.Engine.webkit) ? 'keydown' : 'keypress', this.onCommand.bind(this))
    .addEvent('click', this.onCommand.bind(this, [false]))
    .addEvent('focus', this.toggleFocus.create({bind: this, arguments: true, delay: 100}))
    .addEvent('blur', this.toggleFocus.create({bind: this, arguments: false, delay: 100}));
  },

  destroy: function() {
    if (this.fix) this.fix.dispose();
    this.choices = this.selected = this.choices.destroy();
  },

  toggleFocus: function(state) {
    this.focussed = state;
    if (!state) this.hideChoices(true);
    this.fireEvent((state) ? 'onFocus' : 'onBlur', [this.element]);
  },

  onCommand: function(e) {
    if (!e && this.focussed) return this.prefetch();
    if (e && e.key && !e.shift) {
      switch (e.key) {
        case 'enter':
          if (this.element.value != this.opted) return true;
          if (this.selected && this.visible) {
            this.choiceSelect(this.selected);
            return !!(this.options.autoSubmit);
          }
          break;
        case 'up': case 'down':
          if (!this.prefetch() && this.queryValue !== null) {
            var up = (e.key == 'up');
            this.choiceOver((this.selected || this.choices)[
              (this.selected) ? ((up) ? 'getPrevious' : 'getNext') : ((up) ? 'getLast' : 'getFirst')
            ](this.options.choicesMatch), true);
          }
          return false;
        case 'esc': case 'tab':
          this.hideChoices(true);
          break;
      }
    }
    return true;
  },

  setSelection: function(finish) {
    var input = this.selected.inputValue, value = input;
    var start = this.queryValue.length, end = input.length;
    if (input.substr(0, start).toLowerCase() != this.queryValue.toLowerCase()) start = 0;
    if (this.options.multiple) {
      var split = this.options.separatorSplit;
      value = this.element.value;
      start += this.queryIndex;
      end += this.queryIndex;
      var old = value.substr(this.queryIndex).split(split, 1)[0];
      value = value.substr(0, this.queryIndex) + input + value.substr(this.queryIndex + old.length);
      if (finish) {
        var space = /[^\s,]+/;
        var tokens = value.split(this.options.separatorSplit).filter(space.test, space);
        if (!this.options.allowDupes) tokens = [].combine(tokens);
        var sep = this.options.separator;
        value = tokens.join(sep) + sep;
        end = value.length;
      }
    }
    this.observer.setValue(value);
    this.opted = value;
    if (finish || this.selectMode == 'pick') start = end;
    this.element.selectRange(start, end);
    this.fireEvent('onSelection', [this.element, this.selected, value, input]);
  },

  showChoices: function() {
    var match = this.options.choicesMatch, first = this.choices.getFirst(match);
    this.selected = this.selectedValue = null;
    if (this.fix) {
      if (this.pos) {
        var pos = this.pos;
      } else {
        var pos = this.element.getCoordinates(this.relative);
        this.pos = pos;
      }
      
      var width = this.options.width || 'auto';
      this.choices.setStyles({
        'left': pos.left,
        'top': pos.bottom,
        'width': (width === true || width == 'inherit') ? pos.width : width
      });
    }
    if (!first) return;
    if (!this.visible) {
      this.visible = true;
      this.choices.setStyle('display', '');
      if (this.fx) this.fx.start(1);
      this.fireEvent('onShow', [this.element, this.choices]);
    }
    if (this.options.selectFirst || this.typeAhead || first.inputValue == this.queryValue) this.choiceOver(first, this.typeAhead);
    var items = this.choices.getChildren(match), max = this.options.maxChoices;
    var styles = {'overflowY': 'hidden', 'height': ''};
    this.overflown = false;
    if (items.length > max) {
      var item = items[max - 1];
      styles.overflowY = 'scroll';
      styles.height = item.getCoordinates(this.choices).bottom;
      this.overflown = true;
    };
    this.choices.setStyles(styles);
    this.fix.show();
  },

  hideChoices: function(clear) {
    if (clear) {
      var value = this.element.value;
      if (this.options.forceSelect) value = this.opted;
      if (this.options.autoTrim && this.selectMode) {
        var sep = this.options.separator;
        if (value != "") {
          value = value.split(this.options.separatorSplit).filter($arguments(0)).join(sep) + sep;
        } else {
          value = value.split(this.options.separatorSplit).filter($arguments(0)).join(sep);
        }
      }
      this.observer.setValue(value);
    }
    if (!this.visible) return;
    this.visible = false;
    this.observer.clear();
    var hide = function(){
      this.choices.setStyle('display', 'none');
      this.fix.hide();
    }.bind(this);
    if (this.fx) this.fx.start(0).chain(hide);
    else hide();
    this.fireEvent('onHide', [this.element, this.choices]);
  },

  prefetch: function() {
    var value = this.element.value, query = value;
    if (this.options.multiple) {
      var split = this.options.separatorSplit;
      var values = value.split(split);
      var index = this.element.getCaretPosition();
      if (Browser.Engine.trident4) index = index + 1;
      var toIndex = value.substr(0, index).split(split);
      var last = toIndex.length - 1;
      index -= toIndex[last].length;
      query = values[last];
    }
    if (query.length < this.options.minLength) {
      this.hideChoices();
    } else {
      if (query === this.queryValue || (this.visible && query == this.selectedValue)) {
        if (this.visible) return false;
        this.showChoices();
      } else {
        this.queryValue = query;
        this.queryIndex = index;
        if (!this.fetchCached()) this.query();
      }
    }
    return true;
  },

  fetchCached: function() {
    return false;
    if (!this.options.cache
      || !this.cached
      || !this.cached.length
      || this.cached.length >= this.options.maxChoices
      || this.queryValue) return false;
    this.update(this.filter(this.cached));
    return true;
  },

  update: function(tokens) {
    this.choices.empty();
    this.cached = tokens;
    if ((!tokens || !tokens.length) && $type(tokens) != 'object') {
      this.hideChoices();
    } else {
      if ($type(tokens) == 'object') tokens = $H(tokens);
      if (this.options.maxChoices < tokens.length && !this.options.overflow) tokens.length = this.options.maxChoices;
      tokens.each(this.options.injectChoice || function(token){
        var choice = new Element('li', {'html': this.markQueryValue(token)});
        choice.inputValue = token;
        this.addChoiceEvents(choice).inject(this.choices);
      }, this);
      this.showChoices();
    }
  },

  choiceOver: function(choice, selection) {
    if (!choice || choice == this.selected) return;
    if (this.selected) this.selected.removeClass('autocompleter-selected');
    this.selected = choice.addClass('autocompleter-selected');
    this.fireEvent('onSelect', [this.element, this.selected, selection]);
    if (!selection) return;
    this.selectedValue = this.selected.inputValue;
    if (this.overflown) {
      var coords = this.selected.getCoordinates(this.choices), margin = this.options.overflowMargin,
      top = this.choices.scrollTop, height = this.choices.offsetHeight, bottom = top + height;
      if (coords.top - margin < top && top) this.choices.scrollTop = Math.max(coords.top - margin, 0);
      else if (coords.bottom + margin > bottom) this.choices.scrollTop = Math.min(coords.bottom - height + margin, bottom);
    }
    if (this.selectMode) this.setSelection();
  },

  choiceSelect: function(choice) {
    if (choice) this.choiceOver(choice);
    if (this.selectMode) {
      this.setSelection(true);
      this.queryValue = false;
      this.hideChoices();
    }
  },

  filter: function(tokens) {
    var regex = new RegExp(((this.options.filterSubset) ? '' : '^') + this.queryValue.escapeRegExp(), (this.options.filterCase) ? '' : 'i');
    return (tokens || this.tokens).filter(regex.test, regex);
  },

  /**
   * markQueryValue
   *
   * Marks the queried word in the given string with <span class="autocompleter-queried">*</span>
   * Call this i.e. from your custom parseChoices, same for addChoiceEvents
   *
   * @param		{String} Text
   * @return		{String} Text
   */
  markQueryValue: function(str) {
    if (this.options.markQuery) {
      if (this.queryValue) {
        var queryParts = this.queryValue.replace(/[\s,.]+/,' ').replace(/\s+/,' ').replace(/(^ | $)/,'').split(' ');
        var queryRegex = '(\\b';
        for (var i = 0; i != queryParts.length; i++) {
          queryRegex += queryParts[i].escapeRegExp();
          if (i != queryParts.length - 1) queryRegex += '|\\b';
        }
        queryRegex += ')';
      }
      return str.replace(new RegExp(queryRegex, (this.options.filterCase) ? 'g' : 'gi'), '<span class="autocompleter-queried">$1</span>');
    } else {
      return str;
    }
  },

  /**
   * addChoiceEvents
   *
   * Appends the needed event handlers for a choice-entry to the given element.
   *
   * @param		{Element} Choice entry
   * @return		{Element} Choice entry
   */
  addChoiceEvents: function(el) {
    return el.addEvents({
      'mouseover': this.choiceOver.bind(this, [el]),
      'click': this.choiceSelect.bind(this, [el])
    });
  }
});


/**
 * Autocompleter.Remote
 *
 * @version		1.1.1
 *
 * @todo: Caching, no-result handling!
 *
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 */

Autocompleter.Ajax = {};

Autocompleter.Ajax.Base = new Class({

	Extends: Autocompleter.Base,

	options: {
		postVar: 'value',
		postData: {},
		unlimit: true,
		ajaxOptions: {
		  method: 'get'
		},
		onRequest: $empty,
		onComplete: $empty
	},

	initialize: function(element, options) {
		this.parent(element, options);
		var indicator = $(this.options.indicator);
		if (indicator) {
			this.addEvents({
				'onRequest': indicator.show.bind(indicator),
				'onComplete': indicator.hide.bind(indicator)
			}, true);
		}
	},

	query: function(){
	  if(this.options.unlimit || this.getUrl().test('author') || this.getUrl().test('subject')){
  		var data = $unlink(this.options.postData);
  		data[this.options.postVar] = this.queryValue;
  		this.fireEvent('onRequest', [this.element, this.request, data, this.queryValue]);
  		this.request.send({'data': data});
	  }
	},

	/**
	 * queryResponse - abstract
	 *
	 * Inherated classes have to extend this function and use this.parent(resp)
	 *
	 * @param		{String} Response
	 */
	queryResponse: function() {
		this.fireEvent('onComplete', [this.element, this.request, this.response]);
	},
	setUrl: function(newUrl) {
		this.request.options.url = newUrl;
	},
	getUrl: function(){
	  return this.request.options.url;
	}
});

Autocompleter.Ajax.Json = new Class({

	Extends: Autocompleter.Ajax.Base,

	initialize: function(el, url, options) {
		this.parent(el, options);
		this.url = url;
		this.request = new Request.JSON($merge({
			'url': this.url,
			'link': 'cancel'
		}, this.options.ajaxOptions)).addEvent('onComplete', this.queryResponse.bind(this));
	},

	queryResponse: function(response) {
		this.parent();
		this.update(response);
	}
});

Autocompleter.Ajax.Xhtml = new Class({

	Extends: Autocompleter.Ajax.Base,

	initialize: function(el, url, options) {
		this.parent(el, options);
		this.url = url;
		this.request = new Request.HTML($merge({
			'url': this.url,
			'link': 'cancel',
			'update': this.choices
		}, this.options.ajaxOptions)).addEvent('onComplete', this.queryResponse.bind(this));
	},

	queryResponse: function(tree, elements) {
		this.parent();
		if (!elements || !elements.length) {
			this.hideChoices();
		} else {
			this.choices.getChildren(this.options.choicesMatch).each(this.options.injectChoice || function(choice) {
				var value = choice.innerHTML;
				choice.inputValue = value;
				this.addChoiceEvents(choice.set('html', this.markQueryValue(value)));
			}, this);
			this.showChoices();
		}
	}
});


/*
Script: Autocompleter.JsonP.js
	Implements JsonP support for the Autocompleter class.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

Autocompleter.JsonP = new Class({

	Extends: Autocompleter.Ajax.Json,

	options: {
		postVar: 'query',
		jsonpOptions: {},
//	onRequest: $empty,
//	onComplete: $empty,
//	filterResponse: $empty
		minLength: 1
	},

	initialize: function(el, url, options) {
		this.url = url;
		this.setOptions(options);
		this.parent(el, url, options);
	},

	query: function(){
	  Spinner.show();
		var data = $unlink(this.options.jsonpOptions.data||{});
		data[this.options.postVar] = this.queryValue;
		this.jsonp = new JsonP(this.url, $merge({data: data},	this.options.jsonpOptions));
		this.jsonp.addEvent('onComplete', this.queryResponse.bind(this));
		this.fireEvent('onRequest', [this.element, this.jsonp, data, this.queryValue]);
		this.jsonp.request();
	},

	
/*	Property: queryResponse
		Inherated classes have to extend this function and use this.parent(resp)
		
		Arguments:
		resp - (String) the response from the JsonP query.
*/

	queryResponse: function() {
	  console.debug("jsonp queryResponse 1");
		this.fireEvent('onComplete', [this.element, this.request, this.response]);
	},
	
	queryResponse: function(response) {
	  console.debug("jsonp queryResponse 2");
		this.parent();
		var data = (this.options.filterResponse)?this.options.filterResponse.run([response], this):response;
		this.update(data);
	}

});

/*
Script: JsonP.js
	Defines JsonP, a class for cross domain javascript via script injection.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var JsonP = new Class({
	Implements: [Options, Events],
	options: {
//	onComplete: $empty,
		callBackKey: "callback",
		queryString: "",
		data: {},
		timeout: 5000,
		retries: 0
	},
	initialize: function(url, options){
		this.setOptions(options);
		this.url = this.makeUrl(url).url;
		this.fired = false;
		this.scripts = [];
		this.requests = 0;
		this.triesRemaining = [];
	},
	request: function(url, requestIndex){
		var u = this.makeUrl(url);
		if(!$chk(requestIndex)) {
			requestIndex = this.requests;
			this.requests++;
		}
		if(!$chk(this.triesRemaining[requestIndex])) this.triesRemaining[requestIndex] = this.options.retries;
		var remaining = this.triesRemaining[requestIndex]; //saving bytes
		console.debug('retrieving by json script method: %s', u.url);
		var dl = (Browser.Engine.trident)?50:0; //for some reason, IE needs a moment here...
		(function(){
			var script = new Element('script', {
				src: u.url, 
				type: 'text/javascript',
				id: 'jsonp_'+u.index+'_'+requestIndex
			});
			this.fired = true;
			this.addEvent('onComplete', function(){
				try {script.dispose();}catch(e){}
			}.bind(this));
			script.inject(document.head);

			if(remaining) {
				(function(){
					this.triesRemaining[requestIndex] = remaining - 1;
					if(script.getParent() && remaining) {
						console.debug('removing script (%o) and retrying: try: %s, remaining: %s', requestIndex, remaining);
						script.dispose();
						this.request(url, requestIndex);
					}
				}).delay(this.options.timeout, this);
			}
		}.bind(this)).delay(dl);
		return this;
	},
	makeUrl: function(url){
		var index = (JsonP.requestors.contains(this))?
								JsonP.requestors.indexOf(this):
								JsonP.requestors.push(this) - 1;
		if(url) {
			var separator = (url.test('\\?'))?'&':'?';
			if($defined(this.options.data.callback)){
				var jurl = url;
			} else {
				var jurl = url + separator + this.options.callBackKey + "=JsonP.requestors[" +
					index+"].handleResults";
			}
			separator = (jurl.test('\\?'))?'&':'?';
			if(this.options.queryString) jurl += separator + this.options.queryString;
			separator = (jurl.test('\\?'))?'&':'?';
			jurl += separator + Hash.toQueryString(this.options.data);
		} else var jurl = this.url;
		return {url: jurl, index: index};
	},
	handleResults: function(data){
		console.debug('jsonp received: ', data);
		this.fireEvent('onComplete', [data, this]);
	}
});
JsonP.requestors = [];

/*
	Extensions and fixes for mootools classes
*/

Window.implement({
	$E: function(selector){
		return this.document.getElement(selector);
	}
});

Element.implement({
	toHash: function(){
		var hash = new Hash();
		this.getElements('input, select, textarea', true).each(function(el){
			var name = el.name, type = el.type, value = $(el).get('value');
			if (value === false || !name || el.disabled || (type == "checkbox" && !el.checked)) return;
			hash.insertPair(name, value);
		});
		return hash;
	},
	setHTML: function(html) {
		this.set('html', html);
	},
  getOffsetParent: function(){
  	var element = this;
  	if (isBody(element)) return null; 
    // if (!Browser.Engine.trident) return element.offsetParent;
  	while ((element = element.parentNode) && !isBody(element)){
  		if (styleString(element, 'position') != 'static') return element;
  	} 
  	return null;
  },
  toQueryString: function(){
		var queryString = [];
		this.getElements('input, select, textarea').each(function(el){
			if (!el.name || el.disabled) return;
			var value = (el.tagName.toLowerCase() == 'select') ? Element.getSelected(el).map(function(opt){
				return opt.value;
			}) : ((el.type == 'radio' || el.type == 'checkbox') && !el.checked) ? null : el.value;
			$splat(value).each(function(val){
				queryString.push(el.name + '=' + encodeURIComponent(val));
			});
		});
		return queryString.join('&');
	}
});

var styleString = Element.getComputedStyle;

function styleNumber(element, style){
	return styleString(element, style).toInt() || 0;
};

function borderBox(element){
	return styleString(element, '-moz-box-sizing') == 'border-box';
};

function topBorder(element){
	return styleNumber(element, 'border-top-width');
};

function leftBorder(element){
	return styleNumber(element, 'border-left-width');
};

function isBody(element){
	return (/^(?:body|html)$/i).test(element.tagName);
};

function getCompatElement(element){
	var doc = element.getDocument();
	return (!doc.compatMode || doc.compatMode == 'CSS1Compat') ? doc.html : doc.body;
};

Hash.implement({
	toQueryString: function(){
		var queryString = [];
		
		var quantity = 0;
		var pieces = [];
		Hash.each(this, function(value, key){
			var single_piece = [];
			$splat(value).each(function(val){
				quantity++;
				single_piece.push(key + '=' + encodeURIComponent(val));
			});
			pieces.push(single_piece);
		});
		
		for (i=0; quantity!=0; i++) {
			var considered_array = pieces[i % pieces.length];
			if (considered_array.length > 0) {
				queryString.push(considered_array.shift());
				quantity--;
			}
		}
		
		return queryString.join('&');
	},
	insertPair: function(key, value) {
		var ref = this;
		$splat(value).each(function(val){
			if (key.contains("[]")) {
				if (!ref.has(key)) ref.set(key, new Array(val));
				else ref.get(key).push(val);
			} else {
				ref.set(key,val);
			}
		});
	}
});

String.implement({
	parseQueryString: function() {
		var vars = this.split(/[&;]/);
		var rs = new Hash();
		if (vars.length) vars.each(function(val) {
			var pair = val.split('=');
			if (pair.length && pair.length == 2) rs.insertPair(decodeURIComponent(pair[0]), decodeURIComponent(pair[1].replace(/\+/g, '%20')));
		});
		return rs;
	},
	parseUri: function(){
		var bits = this.match(/^(?:([^:\/?#.]+):)?(?:\/\/)?(([^:\/?#]*)(?::(\d*))?)((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[\?#]|$)))*\/?)?([^?#\/]*))?(?:\?([^#]*))?(?:#(.*))?/);
		return (bits)
			? bits.associate(['uri', 'scheme', 'authority', 'domain', 'port', 'path', 'directory', 'file', 'query', 'fragment'])
			: null;
	}
});

/*
	Slightly modified version of mootools event to extend 'target' with mootools $
*/

var Event = new Native({

	name: 'Event',

	initialize: function(event, win){
		win = win || window;
		event = event || win.event;
		if (event.$extended) return event;
		this.$extended = true;
		var type = event.type;
		var target = event.target || event.srcElement;
		while (target && target.nodeType == 3) target = target.parentNode;
		
		if (type.match(/DOMMouseScroll|mousewheel/)){
			var wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;
		} else if (type.test(/key/)){
			var code = event.which || event.keyCode;
			var key = Event.Keys.keyOf(code);
			if (type == 'keydown'){
				var fKey = code - 111;
				if (fKey > 0 && fKey < 13) key = 'f' + fKey;
			}
			key = key || String.fromCharCode(code).toLowerCase();
		} else if (type.match(/(click|mouse|menu)/i)){
			var page = {
				x: event.pageX || event.clientX + win.document.documentElement.scrollLeft,
				y: event.pageY || event.clientY + win.document.documentElement.scrollTop
			};
			var client = {
				x: event.pageX ? event.pageX - win.pageXOffset : event.clientX,
				y: event.pageY ? event.pageY - win.pageYOffset : event.clientY
			};
			var rightClick = (event.which == 3) || (event.button == 2);
			var related = null;
			if (type.match(/over|out/)){
				switch (type){
					case 'mouseover': related = event.relatedTarget || event.fromElement; break;
					case 'mouseout': related = event.relatedTarget || event.toElement;
				}
				if ((function(){
					while (related && related.nodeType == 3) related = related.parentNode;
				}).create({attempt: Browser.Engine.gecko})() === false) related = false;
			}
		}

		return $extend(this, {
			event: event,
			type: type,
			
			page: page,
			client: client,
			rightClick: rightClick,
			
			wheel: wheel,
			
			relatedTarget: related,
			target: $(target),
			
			code: code,
			key: key,
			
			shift: event.shiftKey,
			control: event.ctrlKey,
			alt: event.altKey,
			meta: event.metaKey
		});
	}
});

Event.Keys = new Hash({
	'enter': 13,
	'up': 38,
	'down': 40,
	'left': 37,
	'right': 39,
	'esc': 27,
	'space': 32,
	'backspace': 8,
	'tab': 9,
	'delete': 46
});

Event.implement({

	stop: function(){
		return this.stopPropagation().preventDefault();
	},

	stopPropagation: function(){
		if (this.event.stopPropagation) this.event.stopPropagation();
		else this.event.cancelBubble = true;
		return this;
	},

	preventDefault: function(){
		if (this.event.preventDefault) this.event.preventDefault();
		else this.event.returnValue = false;
		return this;
	}

});

Request.implement({
  processScripts: function(text){
    if (this.options.evalScripts) {
		  if (this.options.evalResponse || (/(ecma|java)script/).test(this.getHeader('Content-type'))) return $exec(text);
		  return text.stripScripts(this.options.evalScripts);
	  } else {
	    return text;
	  }
	}
});

function substitute_elements(targets, new_html) {
  for (var i = 0; i < targets.length; i++) { substitute_element(targets[i], new_html); }
}

function substitute_element(target, new_html) {
	var container_el = new Element('div');
	var scripts = "";
	var html = new_html.stripScripts(function(script){
		scripts += script.trim();
	});
	container_el.set('html', html);
	var new_el = container_el.getFirst().inject(target, 'before');
	target.destroy();
  if (scripts != "") $exec(scripts.clean());
}

function disable_submit(el) {
	window.Spinner.show();
	el = $(el);
	el.disabled = true;
	el.getParent('form').submit();
}

function disable_element(el, triggers){
	var target = $(el);
	var triggers = triggers;
	
	for(var i = 0; i < triggers.length; i++) {
		if($(triggers[i])) $(triggers[i]).addEvent('click', function(ev){
			var state = true;
			for(var k = 0; k < triggers.length; k++) {
				if($(triggers[k]) && $(triggers[k]).checked){
					state = false;
					break;
				}
			}
			target.disabled = state;
		});
	}
	
	
}

function request_and_replace(target_el, request_uri, html_part_name) {
	var el_req = new JsonRequest({
		url: request_uri,
		onComplete: function(el_data) {
			el_data = $H(JSON.decode(el_data));
			var new_html = el_data.get('html')[html_part_name] || el_data.get('html');
			substitute_element(target_el, new_html);
		}
	}).send();
}

function add_extension(uri, ext) {
  var uri_hash = uri.parseUri();
  var return_uri = uri_hash['path'].replace(/\..*?$/,'') + ext;
  if(uri_hash['query'] != null && uri_hash['query'] != "") return_uri += "?" + uri_hash['query'];
  return return_uri;
}


var AutoSuggest = new Class({
  Implements: [Events, Options],
  options: {
    local: true,
    url_base: ''
  },
  initialize: function(instance, options){
    this.setOptions(options);
    this.instance = instance;
    this.facet = $('t');
    var autocomplete_to_use = (this.options.local) ? Autocompleter.Ajax.Json : Autocompleter.JsonP;
    this.autoSuggestor = new autocomplete_to_use($('globalQuery'), this.options.url_base+add_extension('/search/suggest/'+this.facet.value.split("_")[0].toLowerCase(), '.json'), {
      postVar: "prefix",
      maxChoices: 10,
      overflow: true,
			delay: 100,
      unlimit: false,
      filterSubset: true,
      autoSuggest: true,
      relative: true,
      selectMode: false,
      injectChoice: function(v, k, h) {
        if (k == 'data') {
		  if(v.length == 0)
			this.hideChoices();
	
          for (var i=0; i < v.length; i++) {
            var token = v[i];

            var choice = new Element('li');
            choice.store('url', token.url);

            new Element('p', {
              html: this.markQueryValue(token.name)
            }).inject(choice).addClass("match");

            if(token.see){
              new Element('p', {
                html: this.markQueryValue(token.see)
              }).inject(choice).addClass("seeTag");
            }

            this.element.addEvent((Browser.Engine.trident || Browser.Engine.webkit) ? 'keydown' : 'keypress', function(ev){
              if (ev.key == "enter" && $defined(this.selected)) {
                ev.stop();
                this.selected.fireEvent('click', {target: this.selected});
              }
            }.bind(this));

            choice.addEvent('click', function(ev){
              $try(function() {ev.stop();});
              var t = (ev.target.get('tag') == 'li') ? ev.target : ev.target.getParent('li');
              window.location = t.retrieve('url');
            }.bindWithEvent(this));
            
            this.addChoiceEvents(choice).inject(this.choices);
          }
        }        
      }
    });
    this.facet.addEvent('change', function(ev){
      this.autoSuggestor.setUrl(this.options.url_base+add_extension('/search/suggest/'+ev.target.value.split("_")[0].toLowerCase(), '.json'));
      if ($('globalQuery') && $('globalQuery').value != "" && $('globalQuery').value != $('globalQuery').title && (ev.target.value.toLowerCase().test('author') || ev.target.value.toLowerCase().test('subject'))) this.autoSuggestor.query();
    }.bindWithEvent(this));
  }
});

/*
	Class: DropDown
	desc: basic behaviours for dropdown lists (nav or username)
*/
var DropDown = new Class({
	Implements: Options,
	options: {
		hover: false,
		zindex: 20000
	},
	initialize: function(instance, options) {	  
		this.instance = instance;
		this.setOptions(options);
				
		this.list = $(this.instance).getElement('div.dropDownContent, ul.dropDownContent');
		this.opened = false;
		
		this.shim = false;
		
		if (this.options.hover) {
	    if (!this.shim && Browser.Engine.trident4) {
        this.shim = new IframeShim(this.list, {position: 'upperLeft'});
      }
			$(this.instance).addEvent('mouseenter', this.open.bindWithEvent(this));
			$(this.instance).addEvent('mouseleave', this.close.bindWithEvent(this));
		} else {
			var button = $(this.instance).getElement("a.dropBtn");
			if (button) button.addEvent('click', this.toggle.bindWithEvent(this));
			if (this.list) this.list.getElements('a').addEvent('click', function(ev){
				this.close();
			}.bindWithEvent(this));
		}
	},
	toggle: function(ev) {
	  
		this.opened ? this.close(ev, false) : this.open(ev);
	},
	close: function(ev, allow_event_to_bubble) {
		if ($defined(allow_event_to_bubble) && !allow_event_to_bubble && $defined(ev)) {
			ev.stop();
		}
		if (this.list) this.list.removeClass("openDropDown");
		$(this.instance).removeClass("openDropDown");
		if ($(this.instance).getElement("img.openDropDownArrow")) $(this.instance).getElement("img.openDropDownArrow").setStyle("z-index", "1");
		this.opened = false;
		$(this.instance).setStyle('z-index', '10');
	  this.list.setStyle('z-index', '10');
    if ($(this.instance).getOffsetParent() && $($(this.instance).getOffsetParent()).get('tag') != 'body') $($(this.instance).getOffsetParent()).setStyle('z-index', '10');
    if (this.shim && Browser.Engine.trident4) this.shim.hide();
	},
	open: function(ev) {
		if ($defined(ev)) {
			ev.stop();
		}
	 	if (window.open_details != "") window.open_details.hide();
		if (window.open_popup != "") window.open_popup.hide();
		if (window.open_dropdown != "") {
			window.open_dropdown.close();
			window.open_dropdown = "";
		} 
		window.open_dropdown = this;
		
		if (Browser.Engine.trident4 && this.options.hover) {
  		if (!this.shim) {
  		  this.shim = new IframeShim(this.list, {position: 'upperLeft'});
  	  }
  	  this.shim.show();
      this.list.removeProperty('style');
	  }
		
		if (this.list) {
		  $(this.instance).setStyle('z-index', this.options.zindex);
		  this.list.setStyle('z-index', this.options.zindex);
      if ($(this.instance).getOffsetParent() && $($(this.instance).getOffsetParent()).get('tag') != 'body') $($(this.instance).getOffsetParent()).setStyle('z-index', this.options.zindex);
		  if ($(this.instance).getElement("img.openDropDownArrow")) $(this.instance).getElement("img.openDropDownArrow").setStyle("z-index", "20001");
		  
			if ($(this.instance).getStyle('position') != "relative") {
				this.list.setStyle('top', $(this.instance).getPosition().y + $(this.instance).getCoordinates().height);
				this.list.setStyle('left', $(this.instance).getPosition().x);
			}
			
			this.list.addClass("openDropDown");
			$(this.instance).addClass("openDropDown");
		}
		this.opened = true;		
	}
});


/*
	Class: Popup
	desc: basic functionality for inline modal popups
 */
var Popup = new Class({
  Implements: Options,
  options: {
    size: {
      width: "",
      height: ""
    },
    top: 0,
    left: 0,
    type: "modal",
    href: "",
    html: "",
    reload: false,
		closeOnSuccess: false,
    refresh: false,
    trigger: "",
    onHide: function() {},
    onDisplay: function() {}
  },
  initialize: function(opts) {
    this.setOptions(opts);
				
    if ($(this.options.trigger) && $(this.options.trigger).get('href')) this.setOptions({href: $(this.options.trigger).get('href')});
		
    if ($(this.options.trigger)) this.setOptions({reload: $(this.options.trigger).hasClass('popupReload')});
		
    if ($(this.options.trigger)) $(this.options.trigger).addEvent('click', function(ev) {
      ev.stop();
      this.show();
    }.bindWithEvent(this));
  },
  show: function() {
    ref = this;
		
    if (window.open_dropdown != "") window.open_dropdown.close();
		if (window.open_details != "") window.open_details.hide();
    var href = add_extension(this.options.href, '.json');
		
		if (this.win && !this.options.refresh) {
      this.win.show();
    } else if (this.win && this.options.refresh) {
      this.win.update();
	  } else {
      var win_options = {
        width: this.options.size.width,
        height: this.options.size.height,
        allowMultiple: true,
        closeClassName: 'closeButton',
        wrapWithUi: true,
        useIframeShim: (Browser.Engine.trident) ? true : false,
        uiOptions: {
          width: this.options.size.width,
          height: this.options.size.height,
          cssClass: this.options.cssClass || "defaultPopup"
        },
        onDisplay: function() {
          Spinner.hide();
          ref.options.onDisplay();
        
        },
        onClose: function() {
          ref.hide();
        }
      };
      switch(this.options.type) {
        case "modal":
          var modal_options = {
            url: href,
            requestOptions: {
              evalScripts: true,
              onSuccess: function(ev) {
                Spinner.hide();
				
				var data = JSON.decode(ev);
				if(data.success && data.closeWindow){
					window.open_popup.hide();
				}
              }
            },
            onDisplay: function() {
              Spinner.hide();
              this.pin();
              if (this.win.getElement('input')) {
                try {
                  this.win.getElement('input').focus();
                } catch (err) {
                  // nothing
                }
              }
              ref.options.onDisplay();
            },
            modalOptions: {
              elementsToHide: ['select','.hideMe'],
              modalStyle: {
                'opacity':.5
              }
            }
          };
          this.win = new StickyWinModal.Ajax($merge(win_options, modal_options));
          this.win.update();
          break;
        case "inline":
          var inline_options = {
            url: href,
            requestOptions: {
              evalScripts: true,
              onSuccess: function(ev) {
                Spinner.hide();
              }
            },
            relativeTo: this.options.trigger,
            edge: this.options.edge || "centerRight",
            offset: {x: -20}
          };
          this.win = new StickyWin.Ajax($merge(win_options, inline_options));
          this.win.update();
          break;
        case "static":
          var static_options = {
            modalOptions: {
              elementsToHide: '.hideMe',
              modalStyle: {
                'opacity':.5
              }
            }
          };
          Spinner.show();
          this.win = new StickyWinModal($merge(win_options, static_options));
          this.win.setContent(this.options.html);
          break;
      }
      window.open_popup = this.win;
    }
  },
  hide: function() {
    Spinner.hide();
    if (window.open_details != "") {
      window.open_details.stick = false;
      window.open_details.stickyWin.win.setStyle('z-index', 9999);
    }
    this.options.onHide();
  }
});

/*
	Class: Spinner
 */

var Spinner = function() { 
  return {
    show: function(target, position) {
      var spinner = undefined;
          
      if ($defined(target)) {      
        if (target.getElement('div.spinner')) spinner = target.getElement('div.spinner');
        var next_parent = target.getParent();
        while (!spinner) {
          spinner = next_parent.getElement('div.spinner');
          if (!spinner && next_parent != $E('body')) next_parent = next_parent.getParent();
        }
      } else {
        spinner = $('globalSpinner');
        if (spinner) spinner.setStyle('margin', "0 0 0 -" + (spinner.getDimensions().width / 2) + "px"); 
      }

      if (spinner && $defined(position) || spinner.retrieve('position')) {
        position = position || spinner.retrieve('position');
        spinner.setPosition(position);
      }
      
      if (spinner) {
        spinner.addClass('activeSpinner');
        spinner.setStyle('z-index', 21000);
      }
  		
      return spinner;
    },
    hide: function(target) {
      var spinner = undefined;

      if ($defined(target)) {
        if (target.getElement('div.spinner')) spinner = target.getElement('div.spinner');
      
        var next_parent = target.getParent();
      
        while (!spinner) {
          spinner = next_parent.getElement('div.spinner');
          next_parent = next_parent.getParent();
        }
      } else {
        spinner = $('globalSpinner');
      }
      
      if (spinner) {
        spinner.removeClass('activeSpinner');
        spinner.removeProperty('style');
      }  		
      
      return spinner;
    }
  };
}();

var PlaceHolder = new Class({
  Implements: Options,
  options: {
    suppress: false
  },
  initialize: function(instance, options){
    this.setOptions(options);
    this.instance = instance;
    if(!$(this.instance).hasClass('suppress')){
      if (window.active_field != this.instance) this.showDefault();
      $(this.instance).addEvent('focus', this.hideDefault.bindWithEvent(this));
      $(this.instance).addEvent('blur', this.showDefault.bindWithEvent(this));
    }
  },
  hideDefault: function(){
    if($(this.instance).value == this.getDefaultValue() || $(this.instance).value.contains(this.getDefaultValue())){
      $(this.instance).removeClass('defaultText');
      $(this.instance).set('value', "");
      $(this.instance).setStyle("color", "#000");
    }
  },
  showDefault: function() {
    if($(this.instance).value == "" || $(this.instance).value == this.getDefaultValue()){
      $(this.instance).addClass('defaultText');
      $(this.instance).set('value', this.getDefaultValue());
      $(this.instance).setStyle('color', "#999");
    }
  },
  getDefaultValue: function() {
    return $(this.instance).title;
  }
});

/*
	Static Class: Messages
	desc: message and error brokering
*/
var Messages = function() {
	return {
    show: function(messages) {
      if (messages && messages.length > 0) {    
        Messages.clear();
              
        var registered_messages = registrar.hooks["message"] || [];
        
        // console.debug(registered_messages);
        // console.debug(messages);
        for (var i=0; i < messages.length; i++) {
          var message = messages[i];
          var message_consumed = false;
          // console.debug("message "+message);
          for (var j = message.space.length; j >= 0 && !message_consumed; j--){
            var search_key = $splat(message.space.slice(0,j));
            // console.debug("search_key");
            // console.debug(search_key);
            for (var k = registered_messages.length - 1; k >= 0 && !message_consumed; k--){
              // console.debug("registered_messages");
              // console.debug(registered_messages[k]);
              // console.debug(registered_messages[k].key);
              // console.debug(registered_messages[k].key.join("/") +" == "+ search_key.join("/"));
              // console.debug("types: "+$splat(registered_messages[k].type) + " contains " + message.type);
              if (registered_messages[k].key.join("/") == search_key.join("/") && $splat(registered_messages[k].type).contains(message.type)) {
                // console.debug("message text "+message.text);
                if ($(registered_messages[k].element)) {
                  var message_block = $(registered_messages[k].element).getParent('.messaging');
                  var visible = true;
                  try {
                    var parent = message_block.getParent() || message_block.getParent();                  
                    var visible = parent.getStyle('display') != 'none' && parent.getStyle('visibility') != 'hidden';
                  } catch (err) {
                  }
                  
                  if (message_block && visible) {
                    var message_text = (message.key) ? message.key : registered_messages[k].default_message;
                    $(registered_messages[k].element).adopt(new Element('p', {html: message_text}));
                    message_block.setStyle('display', 'block');
                    message_block.addClass(message.type);                  
                    document.fireEvent('update_messages', {target: $(registered_messages[k].element)});
                    message_consumed = true;
                  } else if (registered_messages[k].mode == 'suppress') {
                    message_consumed = true;
                  }
                }
              }
            }
          }
        }
      }
    },
    clear: function() {
      // console.warn('Clearing all messages');
      var registered_messages = registrar.hooks["message"] || [];
      for (var i=0; i < registered_messages.length; i++) {
        if ($(registered_messages[i].element) && $(registered_messages[i].element).getParent('.messaging')) {
          $(registered_messages[i].element).getParent('.messaging').removeClass('displayMessage');
          $(registered_messages[i].element).empty();
          $(registered_messages[i].element).getParent('.messaging').removeClass('error');
          $(registered_messages[i].element).getParent('.messaging').removeClass('message');
        }
      };
    }
	};
}();

/*
	Class: Spinner
 */

var Spinner = function() { 
  return {
    show: function(target, position) {
      var spinner = undefined;
          
      if ($defined(target)) {      
        if (target.getElement('div.spinner')) spinner = target.getElement('div.spinner');
        var next_parent = target.getParent();
        while (!spinner) {
          spinner = next_parent.getElement('div.spinner');
          if (!spinner && next_parent != $E('body')) next_parent = next_parent.getParent();
        }
      } else {
        spinner = $('globalSpinner');
        if (spinner) spinner.setStyle('margin', "0 0 0 -" + (spinner.getDimensions().width / 2) + "px"); 
      }

      if (spinner && $defined(position) || spinner.retrieve('position')) {
        position = position || spinner.retrieve('position');
        spinner.setPosition(position);
      }
      
      if (spinner) {
        spinner.addClass('activeSpinner');
        spinner.setStyle('z-index', 21000);
      }
  		
      return spinner;
    },
    hide: function(target) {
      var spinner = undefined;

      if ($defined(target)) {
        if (target.getElement('div.spinner')) spinner = target.getElement('div.spinner');
      
        var next_parent = target.getParent();
      
        while (!spinner) {
          spinner = next_parent.getElement('div.spinner');
          next_parent = next_parent.getParent();
        }
      } else {
        spinner = $('globalSpinner');
      }
      
      if (spinner) {
        spinner.removeClass('activeSpinner');
        spinner.removeProperty('style');
      }  		
      
      return spinner;
    }
  };
}();

var Widget = new Class({
	Implements: [Options],
	options: {
		widgetType: null,
		element: null,
	  widgetOpts: {},
		local: false
	},
	initialize: function(options){
		this.setOptions(options);
		
		var opts = this.options;
		
		switch(this.options.widgetType) {
			case 'list':
        var uri = "/list/browse/user/"+this.options.widgetOpts.list_id+".json";
  			var jsonp_opts = {
  				data: this.options.widgetOpts,
  				onComplete: function(data){
  					substitute_element($(opts.element), data.html);
  				}
  			};
			  break;
			case 'browser':
				var uri = "/dashboard/browse.json";
				var jsonp_opts = {
					data: this.options.widgetOpts,
					onComplete: function(data){					  
						substitute_element($(opts.element), data.html);
					}
				};
	      break;
			case 'status':
				var uri = "/user/status.json";
				var jsonp_opts = {
					data: this.options.widgetOpts,
					onComplete: function(data){
						substitute_element($(opts.element), data.html);
					}
				};
				break;
			case 'addItemWidget':
				var uri = "/info/popup.json";
				var jsonp_opts = {
					data: this.options.widgetOpts
				};
				break;
		}
		new JsonP(baseURL + uri, jsonp_opts).request();
	}
});

var LoginStatus = new Class({
	Implements: [Events],
	initialize: function(instance) {
		this.instance = instance;
		if($(this.instance) && $(this.instance).getElement('form.loginForm')){
			$(this.instance).getElement('form.loginForm').addEvent('submit', function(ev){
			  ev.stop();
			  if($(this.instance).getElement('input[type=checkbox]').checked == true)
    		  Cookie.write('remember_me', $(this.instance).getElement('input[type=text]').value);
    		if (Spinner) Spinner.show();
				new JsonP(baseURL+'/user/login.json',{
					data: {
						name: $(this.instance).getElement('input[type=text]').value,
						user_pin: $(this.instance).getElement('input[type=password]').value,
						rememeber_me: ($(this.instance).getElement('input[type=checkbox]').checked == true)
					},
					onComplete: function(data){
					  if (Spinner) Spinner.hide();
						substitute_element($('accountStatus'), data.html);
            // new LoginStatus('accountStatus');
            Messages.show(data.messages);
					}
				}).request();
				
			}.bindWithEvent(this));
			
		}

		if($(this.instance) && $(this.instance).getElement("a.logout")){
			$(this.instance).getElement("a.logout").addEvent('click', function(ev){
				ev.stop();
				if (Spinner) Spinner.show();
				new JsonP(baseURL+'/user/logout.json',{
					onComplete: function(data){
					  if (Spinner) Spinner.hide();
						substitute_element($('accountStatus'), data.html);
            // new LoginStatus('accountStatus');
            Messages.show();
					}
				}).request();
			}.bindWithEvent(this));
		}
	}
});

/* Based on iCarousel by Fabio Zendhi Nagao - http://zend.lojcomm.com.br */

var BibBrowser = new Class({
	Implements: [Events, Options],
	options : {
	  local: true
	},
	initialize: function(instance, options) {
	  this.setOptions(options);
		this.instance = instance;
		this.filterOpts = "format_"+this.instance;
		this.collectionOpts = "collection_"+this.instance;
		this.viewSelector = "viewSelector_"+this.instance;
		this.container = "ul.container";
		this.viewable = "div.viewer";
		this.bumpers  = "li.bumper";
		this.position = new Array();
		
		if ($(this.instance).getElement(this.container)) {
			this.aItems = $(this.instance).getElement(this.container).getElements("li.carousel_item");
			
			if(this.aItems.length < 1) this.noItems = true;

			$(this.instance).getElement("div.navButton_right").addEvent("click", function(ev) {
				ev.stop();
				this._next();
			}.bindWithEvent(this));
			
			$(this.instance).getElement("div.navButton_left").addEvent("click", function(ev) {
				ev.stop();
				this._previous();
			}.bindWithEvent(this));
		
			for(var n = 0; n < this.aItems.length; n++){
			  if(this.aItems[n].getElement('img'))
				  this.aItems[n].set('image_width', this.aItems[n].getElement('img').getStyle('width').toInt());

				this.aItems[n].addEvent("click", function(ev) {
	         // create a cookie containing the last this.aItems[n] viewed as well as a list id so that only this list responds to the cookie.
	         if(this.instance.split("__")[0] != "shelf_browse") Cookie.write(this.instance.split("__")[0], ev.target.getParent('li').get('class').replace(/[^0-9]/g,""), {duration:3});
	       }.bindWithEvent(this));
				
				if(n == 0) {
					var view_width = $(this.instance).getElement(this.viewable).getStyle('width');
					this.position[n] = ($(this.instance).getElement(this.viewable).getStyle('width').replace('px','') / 2) - ((this.aItems[n].get('image_width').toInt() + 20) / 2);
				} else {
					this.position[n] = this.position[n-1] - (((this.aItems[n-1].get('image_width').toInt() + 20) / 2) + ((this.aItems[n].get('image_width').toInt() + 20) / 2));
				}
			}
	  
		  $(this.instance).getElement(this.container).setStyle("opacity", 1);
			if(Cookie.read(this.instance.split("__")[0]) && this.aItems.indexOf($(this.instance).getElement(this.container).getElement("."+Cookie.read(this.instance.split("__")[0]))) != -1){
			  var start_item = this.aItems.indexOf($(this.instance).getElement(this.container).getElement("."+Cookie.read(this.instance.split("__")[0])));
				this._animate(start_item, null);
				this.atScreen = start_item;
				$(this.instance).getElement(this.container).setStyle('left', this.position[start_item]);
			} else {
			  $(this.instance).getElement(this.container).setStyle('left', this.position[0]);
			  if (this.options.start_position && this.aItems.length > this.options.start_position) {
			    this.atScreen = this.options.start_position;
			  } else if (this.aItems.length > 2) {
					this.atScreen = (this.aItems.length/2).floor();
				}	else {
					this.atScreen = 0;
				}
	  		this._animate(this.atScreen, null); 
			}

		}
	
		//instance variables
		var report = this.options.type;
		var viewType = ($(this.viewSelector) && $(this.viewSelector).getElement(".active").hasClass("view-medium")) ? "VIEWCOVERS" : "VIEWLIST";
		var ref_instance = this.instance;
	  var bib_id = this.options.bib_id;
	  if ($(this.filterOpts)) var format = $(this.filterOpts).value;
	  if ($(this.collectionOpts)) var collection_name = $(this.collectionOpts).value;
	  
		if($$(this.bumpers)) $$(this.bumpers).addEvent('click', function(ev){
			if(ev.target.get('tag') != 'li') {
				var bumper_bib_id = ev.target.getParent('li.bumper').getElement('div').id.replace(/[^0-9]/g, "");
			}else{
				var bumper_bib_id = ev.target.getElement('div').id.replace(/[^0-9]/g, "");
			}
			window.open_popup.update("/dashboard/browse/"+report+".json?bib="+bumper_bib_id+"&collection="+collection_name+"&view="+viewType);
		});
	
	  //onChange event for Collection info (shelf browse only, local only)
		if($(this.collectionOpts)) $(this.collectionOpts).addEvent("change", function(ev) {
		  var collection_name = ev.target.value;
      window.open_popup.update("/dashboard/browse/"+report+".json?bib="+bib_id+"&collection="+collection_name+"&view="+viewType);
		}.bindWithEvent(this));
		
		//OnChange event for Format selectbox
		if ($(this.filterOpts)) $(this.filterOpts).addEvent("change", function(ev) {
			var format = ev.target.value;
			Cookie.write(this.instance+"_format", ev.target.value, {duration:3});
			Spinner.show($(this.instance));
			ev.target.disabled = true;
			
      //if script is being run as external widget
      if(this.options.local) {
         var viewUrl = "/dashboard/browse/"+report+".partial";
  		    new Request({method: 'get', url: viewUrl, onSuccess: function(responseText){
  		      substitute_element($(ref_instance), responseText);
  		    }}).send("filter="+format+"&view="+viewType);
      } else {
			  new JsonP(baseURL+"/dashboard/browse/"+report+".json",{
  				data: {
  					filter: format,
  					local: false,
  					view: viewType
  				},
  				onComplete: function(data) {
  					substitute_element($(ref_instance), data.html);
  				}
  			}).request();
			}
		}.bindWithEvent(this));
    
    
    //OnClick event for view selector
		if($(this.viewSelector)) $(this.viewSelector).getElements('a').addEvent("click", function(ev){
      Spinner.show($(this.instance));
  		var viewType  = (ev.target.hasClass('view-medium')) ? 'VIEWCOVERS' : 'VIEWLIST';
		  if(this.options.local){
				console.debug(report);
		    var viewUrl = "/dashboard/browse/"+report+".partial";
		    new Request({method: 'get', url: viewUrl, onSuccess: function(responseText){
		      substitute_element($(ref_instance), responseText);
		    }}).send("view="+viewType+"&collection="+collection_name+"&bib="+bib_id);
		  }else{
		    new JsonP(baseURL+"/dashboard/browse/"+report+".json",{
  				data: {
  					local: false,
  					view: viewType,
						collection: collection_name,
						bib: bib_id
  				},
  				onComplete: function(data) {
  					substitute_element($(ref_instance), data.html);
  				}
  			}).request();
		  }
		  ev.stop();
    }.bindWithEvent(this));
	},

	goTo: function(n) {
		var lastIndex = this.atScreen;
		this.atScreen = n;
		this._animate(this.atScreen, lastIndex);
	},

	_previous: function() {
		if(this.aItems.length > 1) {
			var lastIndex = this.atScreen;
			this.atScreen--;
			if(this.atScreen < 0) this.atScreen = (this.aItems.length - 1);
			this._animate(this.atScreen, lastIndex);
		}
	},

	_next: function() {
		if(this.aItems.length > 1) {
			var lastIndex = this.atScreen;
			this.atScreen++;
			if(this.atScreen > this.aItems.length-1) this.atScreen = 0;
			this._animate(this.atScreen, lastIndex);
		}
	},
	_animate: function(currentItem, lastItem) {
		if(!this.noItems) {
  		$(this.instance).getElement(this.container).set('tween', {duration: 500});
  		$(this.instance).getElement(this.container).tween('left', this.position[currentItem]);
      
      var img = (this.aItems[currentItem].getElement('img'))? this.aItems[currentItem].getElement('img') : null;
      
      img.fade(0.5, 1);
      img.addClass('current');
      
      var bib_id = this.aItems[currentItem].get("class").replace(/[^0-9]/g,'');
      if(this.aItems[currentItem].hasClass('bumper')){
        bib_id += "bumper";
      }
      
      if (lastItem != null) {
        var last_bib_id = this.aItems[lastItem].get("class").replace(/[^0-9]/g,'');
        if(this.aItems[lastItem].hasClass('bumper')){
          last_bib_id += "bumper";
        }
        var last_img = (this.aItems[lastItem].getElement('img'))? this.aItems[lastItem].getElement('img') : null;
        last_img.fade(0.5);
        last_img.removeClass('current');
    		if($(this.instance).getElement("div.info_"+last_bib_id)) $(this.instance).getElement("div.info_"+last_bib_id).removeClass("show");
      }
			if ($(this.instance).getElement("div.info_"+bib_id)) $(this.instance).getElement("div.info_"+bib_id).addClass("show");
		}
	}	
});

registrar.add_handler("user_nav", function(o) {
  var req = new JsonP(baseURL+'/user/user_nav.json', {
    onComplete: function(resp) {
      var data = JSON.decode(resp) || resp;
      substitute_element($(o.element), data.html);
    }
  }).request();
});

registrar.add_handler("dropdown", function(o) {
  var hover = false;
  if ($defined(o.hover)) hover = o.hover;
  if ($(o.trigger)) $(o.trigger).onclick = null;
  new DropDown(o.element, o);
});

registrar.add_handler("placeHolder", function(o){
  new PlaceHolder(o.element, o);
});
  
registrar.add_handler("autoSuggest", function(o){
  new AutoSuggest(o.element, {local: false, url_base: 'http://opl.stage.bibliocommons.com'});
});

registrar.add_handler('browser', function(o){
  o.local = false;
	new BibBrowser(o.element, o);
});

registrar.add_handler('status', function(o){
	new LoginStatus(o.element);
});

registrar.add_handler('popupSearch', function(o){
	var image_src= $(o.element).getElement('input.submit').get('src');
	if(!image_src.test('http')) $(o.element).getElement('input.submit').set('src', baseURL+image_src);
	$(o.element).addEvent('submit', function(ev){
		ev.stop();
		data = ev.target.toQueryString();
		var req = new JsonP(baseURL+"/info/popup.json", {
			data: {
				add_callback: ev.target.add_callback.value,
				callback: ev.target.callback.value
			},
			queryString: data
		}).request();
	});
});

registrar.add_handler('paging', function(o){
	$$(o.element).addEvent('click', function(ev){
		ev.stop();
		var url = (ev.target.get('tag') == "a") ? ev.target.get('href') : ev.target.getParent('a').get('href');
		var req = new JsonP(url,{
			data: {
				callback: ""
			}
		}).request();
		
	});
});

registrar.add_handler('add_to_blog', function(o){
	$(o.element).addEvent('click', function(ev){
		ev.stop();
		var url = (ev.target.get('tag') == "a") ? ev.target.get('href') : ev.target.getParent('a').get('href');
		var callback = (ev.target.get('tag') == "a") ? ev.target.get('callback') : ev.target.getParent('a').get('callback');
		var req = new JsonP(baseURL+"/item/add_to_blog/"+url.replace(/[^0-9]/g,"")+".json", {
			data: {
				callback: callback
			}
		}).request();
	});
});

dom_ready = true;

registrar.add_handler("help", function(o){
  $(o.element).addEvent('click', function(ev) {
    ev.stop();
    var url = (ev.target.get('tag') == "a") ? ev.target.get('href') : ev.target.getParent('a').get('href');
    window.open(url, "help", 'height=600, width=517, scrollbars=yes, toolbar=no, menubar=no, location=no');
  });

  var req = new JsonP(baseURL+add_extension('/help/show/'+$(o.element).id.split('_')[2], '.json'), {
    onComplete: function(resp) {
      var data = JSON.decode(resp) || resp;

      // reset default alt and title text so it doesn't appear over the tooltip
      if ($(o.element).getElement('img')) {
        $(o.element).getElement('img').set("title", "");
        $(o.element).getElement('img').set("alt", "");
      }
    
      if(data['text']) $(o.element).store('tip:text', data['text']);
      else $(o.element).store('tip:text', "More Info");
    
      new Tips($(o.element), {
        fixed: true,
        className: "help_tip"
      });
    }
  }).request();
}, {delay: 500});