/*
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': '563'
};
      
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), build: parseInt(version[2] || 0)};
})();

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 && !$chk(parseInt(result)))){
			if (property.test(/^(height|width)$/)){
				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]);
		var a = (inta || inta === 0) ? inta : 1;
		var special = parsed[2] || false;
		var b = parseInt(parsed[3]) || 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){
		if (self.className.contains)
			return (self.className && self.className.contains(klass, ' '));
		else return false;
	},
	
	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: 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.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);

		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.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.Slide.js
	Effect to slide an element in and out of view.

License:
	MIT-style license.
*/

Fx.Slide = new Class({

	Extends: Fx,

	options: {
		mode: 'vertical'
	},

	initialize: function(element, options){
		this.addEvent('complete', function(){
			this.open = (this.wrapper['offset' + this.layout.capitalize()] != 0);
			if (this.open && Browser.Engine.webkit419) this.element.dispose().inject(this.wrapper);
		}, true);
		this.element = this.subject = $(element);
		this.parent(options);
		var wrapper = this.element.retrieve('wrapper');
		this.wrapper = wrapper || new Element('div', {
			styles: $extend(this.element.getStyles('margin', 'position'), {'overflow': 'hidden'})
		}).wraps(this.element);
		this.element.store('wrapper', this.wrapper).setStyle('margin', 0);
		this.now = [];
		this.open = true;
	},

	vertical: function(){
		this.margin = 'margin-top';
		this.layout = 'height';
		this.offset = this.element.offsetHeight;
	},

	horizontal: function(){
		this.margin = 'margin-left';
		this.layout = 'width';
		this.offset = this.element.offsetWidth;
	},

	set: function(now){
		this.element.setStyle(this.margin, now[0]);
		this.wrapper.setStyle(this.layout, now[1]);
		return this;
	},

	compute: function(from, to, delta){
		var now = [];
		var x = 2;
		x.times(function(i){
			now[i] = Fx.compute(from[i], to[i], delta);
		});
		return now;
	},

	start: function(how, mode){
		if (!this.check(arguments.callee, how, mode)) return this;
		this[mode || this.options.mode]();
		var margin = this.element.getStyle(this.margin).toInt();
		var layout = this.wrapper.getStyle(this.layout).toInt();
		var caseIn = [[margin, layout], [0, this.offset]];
		var caseOut = [[margin, layout], [-this.offset, 0]];
		var start;
		switch (how){
			case 'in': start = caseIn; break;
			case 'out': start = caseOut; break;
			case 'toggle': start = (this.wrapper['offset' + this.layout.capitalize()] == 0) ? caseIn : caseOut;
		}
		return this.parent(start[0], start[1]);
	},

	slideIn: function(mode){
		return this.start('in', mode);
	},

	slideOut: function(mode){
		return this.start('out', mode);
	},

	hide: function(mode){
		this[mode || this.options.mode]();
		this.open = false;
		return this.set([-this.offset, 0]);
	},

	show: function(mode){
		this[mode || this.options.mode]();
		this.open = true;
		return this.set([0, this.offset]);
	},

	toggle: function(mode){
		return this.start('toggle', mode);
	}

});

Element.Properties.slide = {

	set: function(options){
		var slide = this.retrieve('slide');
		if (slide) slide.cancel();
		return this.eliminate('slide').store('slide:options', $extend({link: 'cancel'}, options));
	},
	
	get: function(options){
		if (options || !this.retrieve('slide')){
			if (options || !this.retrieve('slide:options')) this.set('slide', options);
			this.store('slide', new Fx.Slide(this, this.retrieve('slide:options')));
		}
		return this.retrieve('slide');
	}

};

Element.implement({

	slide: function(how, mode){
		how = how || 'toggle';
		var slide = this.get('slide'), toggle;
		switch (how){
			case 'hide': slide.hide(mode); break;
			case 'show': slide.show(mode); break;
			case 'toggle':
				var flag = this.retrieve('slide:flag', slide.open);
				slide[(flag) ? 'slideOut' : 'slideIn'](mode);
				this.store('slide:flag', !flag);
				toggle = true;
			break;
			default: slide.start(how, mode);
		}
		if (!toggle) this.eliminate('slide:flag');
		return this;
	}

});


/*
Script: Drag.js
	The base Drag Class. Can be used to drag and resize Elements using mouse events.

License:
	MIT-style license.
*/

var Drag = new Class({

	Implements: [Events, Options],

	options: {/*
		onBeforeStart: $empty,
		onStart: $empty,
		onDrag: $empty,
		onCancel: $empty,
		onComplete: $empty,*/
		snap: 6,
		unit: 'px',
		grid: false,
		style: true,
		limit: false,
		handle: false,
		invert: false,
		preventDefault: false,
		modifiers: {x: 'left', y: 'top'}
	},

	initialize: function(){
		var params = Array.link(arguments, {'options': Object.type, 'element': $defined});
		this.element = $(params.element);
		this.document = this.element.getDocument();
		this.setOptions(params.options || {});
		var htype = $type(this.options.handle);
		this.handles = (htype == 'array' || htype == 'collection') ? $$(this.options.handle) : $(this.options.handle) || this.element;
		this.mouse = {'now': {}, 'pos': {}};
		this.value = {'start': {}, 'now': {}};
		
		this.selection = (Browser.Engine.trident) ? 'selectstart' : 'mousedown';
		
		this.bound = {
			start: this.start.bind(this),
			check: this.check.bind(this),
			drag: this.drag.bind(this),
			stop: this.stop.bind(this),
			cancel: this.cancel.bind(this),
			eventStop: $lambda(false)
		};
		this.attach();
	},

	attach: function(){
		this.handles.addEvent('mousedown', this.bound.start);
		return this;
	},

	detach: function(){
		this.handles.removeEvent('mousedown', this.bound.start);
		return this;
	},

	start: function(event){
		if (this.options.preventDefault) event.preventDefault();
		this.fireEvent('beforeStart', this.element);
		this.mouse.start = event.page;
		var limit = this.options.limit;
		this.limit = {'x': [], 'y': []};
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			if (this.options.style) this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();
			else this.value.now[z] = this.element[this.options.modifiers[z]];
			if (this.options.invert) this.value.now[z] *= -1;
			this.mouse.pos[z] = event.page[z] - this.value.now[z];
			if (limit && limit[z]){
				for (var i = 2; i--; i){
					if ($chk(limit[z][i])) this.limit[z][i] = $lambda(limit[z][i])();
				}
			}
		}
		if ($type(this.options.grid) == 'number') this.options.grid = {'x': this.options.grid, 'y': this.options.grid};
		this.document.addEvents({mousemove: this.bound.check, mouseup: this.bound.cancel});
		this.document.addEvent(this.selection, this.bound.eventStop);
	},

	check: function(event){
		if (this.options.preventDefault) event.preventDefault();
		var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));
		if (distance > this.options.snap){
			this.cancel();
			this.document.addEvents({
				mousemove: this.bound.drag,
				mouseup: this.bound.stop
			});
			this.fireEvent('start', this.element).fireEvent('snap', this.element);
		}
	},

	drag: function(event){
		if (this.options.preventDefault) event.preventDefault();
		this.mouse.now = event.page;
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];
			if (this.options.invert) this.value.now[z] *= -1;
			if (this.options.limit && this.limit[z]){
				if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){
					this.value.now[z] = this.limit[z][1];
				} else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){
					this.value.now[z] = this.limit[z][0];
				}
			}
			if (this.options.grid[z]) this.value.now[z] -= (this.value.now[z] % this.options.grid[z]);
			if (this.options.style) this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);
			else this.element[this.options.modifiers[z]] = this.value.now[z];
		}
		this.fireEvent('drag', this.element);
	},

	cancel: function(event){
		this.document.removeEvent('mousemove', this.bound.check);
		this.document.removeEvent('mouseup', this.bound.cancel);
		if (event){
			this.document.removeEvent(this.selection, this.bound.eventStop);
			this.fireEvent('cancel', this.element);
		}
	},

	stop: function(event){
		this.document.removeEvent(this.selection, this.bound.eventStop);
		this.document.removeEvent('mousemove', this.bound.drag);
		this.document.removeEvent('mouseup', this.bound.stop);
		if (event) this.fireEvent('complete', this.element);
	}

});

Element.implement({
	
	makeResizable: function(options){
		return new Drag(this, $merge({modifiers: {'x': 'width', 'y': 'height'}}, options));
	}

});

/*
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: function(tip){
			tip.setStyle('visibility', 'visible');
		},
		onHide: function(tip){
			tip.setStyle('visibility', 'hidden');
		},
		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.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 (params.elements) this.attach(params.elements);
	},
	
	attach: function(elements){
		$$(elements).each(function(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');
		}, this);
		return this;
	},
	
	detach: function(elements){
		$$(elements).each(function(element){
			element.removeEvent('mouseenter', element.retrieve('tip:enter') || $empty);
			element.removeEvent('mouseleave', element.retrieve('tip:leave') || $empty);
			element.removeEvent('mousemove', element.retrieve('tip:move') || $empty);
			element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');
			var original = element.retrieve('tip:native');
			if (original) element.set('title', original);
		});
		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((!this.options.fixed) ? event : {page: element.getPosition()});
	},
	
	elementLeave: function(event){
		$clear(this.timer);
		this.timer = this.hide.delay(this.options.hideDelay, this);
	},
	
	elementMove: function(event){
		this.position(event);
	},
	
	position: function(event){
		var size = window.getSize(), scroll = window.getScroll();
		var tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight};
		var props = {x: 'left', y: 'top'};
		for (var z in props){
			var pos = event.page[z] + this.options.offsets[z];
			if ((pos + tip[z] - scroll[z]) > size[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];
			this.tip.setStyle(props[z], pos);
		}
	},
	
	fill: function(element, contents){
		(typeof contents == 'string') ? element.set('html', contents) : element.adopt(contents);
	},

	show: function(){
		this.fireEvent('show', this.tip);
	},

	hide: function(){
		this.fireEvent('hide', this.tip);
	}

});

/*
Script: Slider.js
	Class for creating horizontal and vertical slider controls.

License:
	MIT-style license.
*/

var Slider = new Class({

	Implements: [Events, Options],

	options: {/*
		onChange: $empty,
		onComplete: $empty,*/
		onTick: function(position){
			if(this.options.snap) position = this.toPosition(this.step);
			this.knob.setStyle(this.property, position);
		},
		snap: false,
		offset: 0,
		range: false,
		wheel: false,
		steps: 100,
		mode: 'horizontal'
	},

	initialize: function(element, knob, options){
		this.setOptions(options);
		this.element = $(element);
		this.knob = $(knob);
		this.previousChange = this.previousEnd = this.step = -1;
		this.element.addEvent('mousedown', this.clickedElement.bind(this));
		if (this.options.wheel) this.element.addEvent('mousewheel', this.scrolledElement.bindWithEvent(this));
		var offset, limit = {}, modifiers = {'x': false, 'y': false};
		switch (this.options.mode){
			case 'vertical':
				this.axis = 'y';
				this.property = 'top';
				offset = 'offsetHeight';
				break;
			case 'horizontal':
				this.axis = 'x';
				this.property = 'left';
				offset = 'offsetWidth';
		}
		this.half = this.knob[offset] / 2;
		this.full = this.element[offset] - this.knob[offset] + (this.options.offset * 2);
		this.min = $chk(this.options.range[0]) ? this.options.range[0] : 0;
		this.max = $chk(this.options.range[1]) ? this.options.range[1] : this.options.steps;
		this.range = this.max - this.min;
		this.steps = this.options.steps || this.full;
		this.stepSize = Math.abs(this.range) / this.steps;
		this.stepWidth = this.stepSize * this.full / Math.abs(this.range) ;
		
		this.knob.setStyle('position', 'relative').setStyle(this.property, - this.options.offset);
		modifiers[this.axis] = this.property;
		limit[this.axis] = [- this.options.offset, this.full - this.options.offset];
		this.drag = new Drag(this.knob, {
			snap: 0,
			limit: limit,
			modifiers: modifiers,
			onDrag: this.draggedKnob.bind(this),
			onStart: this.draggedKnob.bind(this),
			onComplete: function(){
				this.draggedKnob();
				this.end();
			}.bind(this)
		});
		if (this.options.snap) {
			this.drag.options.grid = Math.ceil(this.stepWidth);
			this.drag.options.limit[this.axis][1] = this.full;
		}
	},

	set: function(step){
		if (!((this.range > 0) ^ (step < this.min))) step = this.min;
		if (!((this.range > 0) ^ (step > this.max))) step = this.max;
		
		this.step = Math.round(step);
		this.checkStep();
		this.end();
		this.fireEvent('tick', this.toPosition(this.step));
		return this;
	},

	clickedElement: function(event){
		var dir = this.range < 0 ? -1 : 1;
		var position = event.page[this.axis] - this.element.getPosition()[this.axis] - this.half;
		position = position.limit(-this.options.offset, this.full -this.options.offset);
		
		this.step = Math.round(this.min + dir * this.toStep(position));
		this.checkStep();
		this.end();
		this.fireEvent('tick', position);
	},
	
	scrolledElement: function(event){
		var mode = (this.options.mode == 'horizontal') ? (event.wheel < 0) : (event.wheel > 0);
		this.set(mode ? this.step - this.stepSize : this.step + this.stepSize);
		event.stop();
	},

	draggedKnob: function(){
		var dir = this.range < 0 ? -1 : 1;
		var position = this.drag.value.now[this.axis];
		position = position.limit(-this.options.offset, this.full -this.options.offset);
		this.step = Math.round(this.min + dir * this.toStep(position));
		this.checkStep();
	},

	checkStep: function(){
		if (this.previousChange != this.step){
			this.previousChange = this.step;
			this.fireEvent('change', this.step);
		}
	},

	end: function(){
		if (this.previousEnd !== this.step){
			this.previousEnd = this.step;
			this.fireEvent('complete', this.step + '');
		}
	},

	toStep: function(position){
		var step = (position + this.options.offset) * this.stepSize / this.full * this.steps;
		return this.options.steps ? Math.round(step -= step % this.stepSize) : step;
	},

	toPosition: function(step){
		return (this.full * Math.abs(this.min - step)) / (this.steps * this.stepSize) - this.options.offset;
	}

});/*
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 = function(){
						(console.debug || console.log).apply(console, arguments);
				};
				dbug.time = function(){
					console.time.apply(console, arguments);
				};
				dbug.timeEnd = function(){
					console.timeEnd.apply(console, arguments);
				};
				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((!$defined(set) && debugCookie != 'true') || ($defined(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();
}


/*
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)}
	},
  pngTest: /\.png$/, // saves recreating the regex repeatedly
  scanForPngs: function(el, className) {
    className = className||'fixPNG';
    //TODO: should this also be testing the css background-image property for pngs?
    //Q: should it return an array of all those it has tweaked?
    if (document.getElements){ // more efficient but requires 'selectors'
      el = $(el||document.body);
      el.getElements('img[src$=.png]').addClass(className);
    } else { // scan the whole page
      var els = $$('img').each(function(img) {
        if (Browser.pngTest(img.src)){
          img.addClass(className);
        }
      });
    }
  }
});
if(Browser.Engine.trident4) window.addEvent('domready', function(){$$('img.fixPNG').each(Browser.fixPNG)});


/*
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
		},
		browsers: (Browser.Engine.trident4 || (Browser.Engine.gecko && !Browser.Engine.gecko19 && 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': 'none',
			'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({
			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: Date.js
	Extends the Date native object to include methods useful in managing dates.

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

new Native({name: 'Date', initialize: Date, protect: true});
['now','parse','UTC'].each(function(method){
	Native.genericize(Date, method, true);
});
Date.$Methods = new Hash();
["Date", "Day", "FullYear", "Hours", "Milliseconds", "Minutes", "Month", "Seconds", "Time", "TimezoneOffset", 
	"Week", "Timezone", "GMTOffset", "DayOfYear", "LastMonth", "UTCDate", "UTCDay", "UTCFullYear",
	"AMPM", "UTCHours", "UTCMilliseconds", "UTCMinutes", "UTCMonth", "UTCSeconds"].each(function(method) {
	Date.$Methods.set(method.toLowerCase(), method);
});
$each({
	ms: "Milliseconds",
	year: "FullYear",
	min: "Minutes",
	mo: "Month",
	sec: "Seconds",
	hr: "Hours"
}, function(value, key){
	Date.$Methods.set(key, value);
});


Date.implement({
	set: function(key, value) {
		key = key.toLowerCase();
		var m = Date.$Methods;
		if (m.has(key)) this['set'+m.get(key)](value);
		return this;
	},
	get: function(key) {
		key = key.toLowerCase();
		var m = Date.$Methods;
		if (m.has(key)) return this['get'+m.get(key)]();
		return null;
	},
	clone: function() {
		return new Date(this.get('time'));
	},
	increment: function(interval, times) {
		return this.multiply(interval, times);
	},
	decrement: function(interval, times) {
		return this.multiply(interval, times, false);
	},
	multiply: function(interval, times, increment){
		interval = interval || 'day';
		times = $pick(times, 1);
		increment = $pick(increment, true);
		var multiplier = increment?1:-1;
		var month = this.format("%m").toInt()-1;
		var year = this.format("%Y").toInt();
		var time = this.get('time');
		var offset = 0;
		switch (interval) {
				case 'year':
					times.times(function(val) {
						if (Date.isLeapYear(year+val) && month > 1 && multiplier > 0) val++;
						if (Date.isLeapYear(year+val) && month <= 1 && multiplier < 0) val--;
						offset += Date.$units.year(year+val);
					});
					break;
				case 'month':
					times.times(function(val){
						if (multiplier < 0) val++;
						var mo = month+(val*multiplier);
						var year = year;
						if (mo < 0) {
							year--;
							mo = 12+mo;
						}
						if (mo > 11 || mo < 0) {
							year += (mo/12).toInt()*multiplier;
							mo = mo%12;
						}
						offset += Date.$units.month(mo, year);
					});
					break;
				default:
					offset = Date.$units[interval]()*times;
					break;
		}
		this.set('time', time+(offset*multiplier));
		return this;
	},
	isLeapYear: function() {
		return Date.isLeapYear(this.get('year'));
	},
	clearTime: function() {
		this.set('hr', 0);
		this.set('min',0);
		this.set('sec', 0);
		this.set('ms', 0);
		return this;
	},
	diff: function(d, resolution) {
		resolution = resolution || 'day';
		if($type(d) == 'string') d = Date.parse(d);
		switch (resolution) {
			case 'year':
				return d.format("%Y").toInt() - this.format("%Y").toInt();
				break;
			case 'month':
				var months = (d.format("%Y").toInt() - this.format("%Y").toInt())*12;
				return months + d.format("%m").toInt() - this.format("%m").toInt();
				break;
			default:
				var diff = d.get('time') - this.get('time');
				if (diff < 0 && Date.$units[resolution]() > (-1*(diff))) return 0;
				else if (diff >= 0 && diff < Date.$units[resolution]()) return 0;
				return ((d.get('time') - this.get('time')) / Date.$units[resolution]()).round();
		}
	},
	getWeek: function() {
		var day = (new Date(this.get('year'), 0, 1)).get('date');
		return Math.round((this.get('dayofyear') + (day > 3 ? day - 4 : day + 3)) / 7);
	},
	getTimezone: function() {
		return this.toString()
			.replace(/^.*? ([A-Z]{3}).[0-9]{4}.*$/, '$1')
			.replace(/^.*?\(([A-Z])[a-z]+ ([A-Z])[a-z]+ ([A-Z])[a-z]+\)$/, '$1$2$3');
	},
	getGMTOffset: function() {
		var off = this.get('timezoneOffset');
		return ((off > 0) ? '-' : '+')
			+ Math.floor(Math.abs(off) / 60).zeroise(2)
			+ (off % 60).zeroise(2);
	},
	parse: function(str) {
		this.set('time', Date.parse(str));
		return this;
	},
	format: function(f) {
		f = f || "%x %X";
		if (!this.valueOf()) return 'invalid date';
		//replace short-hand with actual format
		if (Date.$formats[f.toLowerCase()]) f = Date.$formats[f.toLowerCase()];
		var d = this;
		return f.replace(/\%([aAbBcdHIjmMpSUWwxXyYTZ])/g,
			function($1, $2) {
				switch ($2) {
					case 'a': return Date.$days[d.get('day')].substr(0, 3);
					case 'A': return Date.$days[d.get('day')];
					case 'b': return Date.$months[d.get('month')].substr(0, 3);
					case 'B': return Date.$months[d.get('month')];
					case 'c': return d.toString();
					case 'd': return d.get('date').zeroise(2);
					case 'H': return d.get('hr').zeroise(2);
					case 'I': return ((d.get('hr') % 12) || 12);
					case 'j': return d.get('dayofyear').zeroise(3);
					case 'm': return (d.get('mo') + 1).zeroise(2);
					case 'M': return d.get('min').zeroise(2);
					case 'p': return d.get('hr') < 12 ? 'AM' : 'PM';
					case 'S': return d.get('seconds').zeroise(2);
					case 'U': return d.get('week').zeroise(2);
					case 'W': throw new Error('%W is not supported yet');
					case 'w': return d.get('day');
					case 'x': 
						var c = Date.$cultures[Date.$culture];
						//return d.format("%{0}{3}%{1}{3}%{2}".substitute(c.map(function(s){return s.substr(0,1)}))); //grr!
						return d.format('%' + c[0].substr(0,1) +
							c[3] + '%' + c[1].substr(0,1) +
							c[3] + '%' + c[2].substr(0,1).toUpperCase());
					case 'X': return d.format('%I:%M%p');
					case 'y': return d.get('year').toString().substr(2);
					case 'Y': return d.get('year');
					case 'T': return d.get('GMTOffset');
					case 'Z': return d.get('Timezone');
					case '%': return '%';
				}
				return $2;
			}
		);
	},
	setAMPM: function(ampm){
		ampm = ampm.toUpperCase();
		if (this.format("%H").toInt() > 11 && ampm == "AM") 
			return this.decrement('hour', 12);
		else if (this.format("%H").toInt() < 12 && ampm == "PM")
			return this.increment('hour', 12);
		return this;
	}
});

Date.prototype.compare = Date.prototype.diff;
Date.prototype.strftime = Date.prototype.format;

Date.$nativeParse = Date.parse;

$extend(Date, {
	$months: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
	$days: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
	$daysInMonth: function(monthIndex, year) {
		if (Date.isLeapYear(year.toInt()) && monthIndex === 1) return 29;
		return [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][monthIndex];
	},
	$epoch: -1,
	$era: -2,
	$units: {
		ms: function(){return 1},
		second: function(){return 1000},
		minute: function(){return 60000},
		hour: function(){return 3600000},
		day: function(){return 86400000},
		week: function(){return 608400000},
		month: function(monthIndex, year) {
			var d = new Date();
			return Date.$daysInMonth($pick(monthIndex,d.format("%m").toInt()), $pick(year,d.format("%Y").toInt())) * 86400000;
		},
		year: function(year){
			year = year || new Date().format("%Y").toInt();
			return Date.isLeapYear(year.toInt())?31622400000:31536000000;
		}
	},
	$formats: {
		db: '%Y-%m-%d %H:%M:%S',
		compact: '%Y%m%dT%H%M%S',
		iso8601: '%Y-%m-%dT%H:%M:%S%T',
		rfc822: '%a, %d %b %Y %H:%M:%S %Z',
		'short': '%d %b %H:%M',
		'long': '%B %d, %Y %H:%M'
	},
	
	isLeapYear: function(yr) {
		return new Date(yr,1,29).getDate()==29;
	},

	parseUTC: function(value){
		var localDate = new Date(value);
		var utcSeconds = Date.UTC(localDate.get('year'), localDate.get('mo'),
		localDate.get('date'), localDate.get('hr'), localDate.get('min'), localDate.get('sec'));
		return new Date(utcSeconds);
	},
	
	parse: function(from) {
		var type = $type(from);
		if (type == 'number') return new Date(from);
		if (type != 'string') return from;
		if (!from.length) return null;
		for (var i = 0, j = Date.$parsePatterns.length; i < j; i++) {
			var r = Date.$parsePatterns[i].re.exec(from);
			if (r) {
				try {
					return Date.$parsePatterns[i].handler(r);
				} catch(e) {
					dbug.log('date parse error: ', e);
					return null;
				}
			}
		}
		return new Date(Date.$nativeParse(from));
	},

	parseMonth: function(month, num) {
		var ret = -1;
		switch ($type(month)) {
			case 'object':
				ret = Date.$months[month.get('mo')];
				break;
			case 'number':
				ret = Date.$months[month - 1] || false;
				if (!ret) throw new Error('Invalid month index value must be between 1 and 12:' + index);
				break;
			case 'string':
				var match = Date.$months.filter(function(name) {
					return this.test(name);
				}, new RegExp('^' + month, 'i'));
				if (!match.length) throw new Error('Invalid month string');
				if (match.length > 1) throw new Error('Ambiguous month');
				ret = match[0];
		}
		return (num) ? Date.$months.indexOf(ret) : ret;
	},

	parseDay: function(day, num) {
		var ret = -1;
		switch ($type(day)) {
			case 'number':
				ret = Date.$days[day - 1] || false;
				if (!ret) throw new Error('Invalid day index value must be between 1 and 7');
				break;
			case 'string':
				var match = Date.$days.filter(function(name) {
					return this.test(name);
				}, new RegExp('^' + day, 'i'));
				if (!match.length) throw new Error('Invalid day string');
				if (match.length > 1) throw new Error('Ambiguous day');
				ret = match[0];
		}
		return (num) ? Date.$days.indexOf(ret) : ret;
	},
	
	fixY2K: function(d){
		if (!isNaN(d)) {
			var newDate = new Date(d);
			if (newDate.get('year') < 2000 && d.toString().indexOf(newDate.get('year')) < 0) {
				newDate.increment('year', 100);
			}
			return newDate;
		} else return d;
	},

	$cultures: {
		'US': ['month', 'date', 'year', '/'],
		'GB': ['date', 'month', 'year', '/']
	},

	$culture: 'US',
	
	$language: 'enUS',
	
	$cIndex: function(unit){
		return Date.$cultures[Date.$culture].indexOf(unit)+1;
	},

	$parsePatterns: [
		{
			//"12.31.08", "12-31-08", "12/31/08", "12.31.2008", "12-31-2008", "12/31/2008"
			re: /^(\d{1,2})[\.\-\/](\d{1,2})[\.\-\/](\d{2,4})$/,
			handler: function(bits){
				var d = new Date();
				var culture = Date.$cultures[Date.$culture];
				d.set('year', bits[Date.$cIndex('year')]);
				d.set('month', bits[Date.$cIndex('month')] - 1);
				d.set('date', bits[Date.$cIndex('date')]);
				return Date.fixY2K(d);
			}
		},
		//"12.31.08", "12-31-08", "12/31/08", "12.31.2008", "12-31-2008", "12/31/2008"
		//above plus "10:45pm" ex: 12.31.08 10:45pm
		{
			re: /^(\d{1,2})[\.\-\/](\d{1,2})[\.\-\/](\d{2,4})\s(\d{1,2}):(\d{1,2})(\w{2})$/,
			handler: function(bits){
				var d = new Date();
				d.set('year', bits[Date.$cIndex('year')]);
				d.set('month', bits[Date.$cIndex('month')] - 1);
				d.set('date', bits[Date.$cIndex('date')]);
				d.set('hr', bits[4]);
				d.set('min', bits[5]);
				d.set('ampm', bits[6]);
				return Date.fixY2K(d);
			}
		}
	]
});

Number.implement({
	zeroise: function(length) {
		return String(this).zeroise(length);
	}
});

String.implement({
	repeat: function(times) {
		var ret = [];
		for (var i = 0; i < times; i++) ret.push(this);
		return ret.join('');
	},
	zeroise: function(length) {
		return '0'.repeat(length - this.length) + this;
	}

});


/*
Script: Hash.Extras.js
	Extends the Hash native object to include getFromPath which allows a path notation to child elements.

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

Hash.implement({
	getFromPath: function(notation) {
		var source = this.getClean();
		notation.replace(/\[([^\]]+)\]|\.([^.[]+)|[^[.]+/g, function(match) {
			if (!source) return;
			var prop = arguments[2] || arguments[1] || arguments[0];
			source = (prop in source) ? source[prop] : null;
			return match;
		});
		return source;
	},
	cleanValues: function(method){
		method = method||$defined;
		this.each(function(v, k){
			if (!method(v)) this.erase(k);
		}, this);
		return this;
	}
});

/*
Script: String.Extras.js
	Extends the String native object to include methods useful in managing various kinds of strings (query strings, urls, html, etc).

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
String.implement({
	stripTags: function() {
		return this.replace(/<\/?[^>]+>/gi, '');
	},
	parseQuery: function(encodeKeys, encodeValues) {
		encodeKeys = $pick(encodeKeys, true);
		encodeValues = $pick(encodeValues, true);
		var vars = this.split(/[&;]/);
		var rs = {};
		if (vars.length) vars.each(function(val) {
			var keys = val.split('=');
			if (keys.length && keys.length == 2) {
				rs[(encodeKeys)?encodeURIComponent(keys[0]):keys[0]] = (encodeValues)?encodeURIComponent(keys[1]):keys[1];
			}
		});
		return rs;
	},
	tidy: function() {
		var txt = this.toString();
		$each({
			"[\xa0\u2002\u2003\u2009]": " ",
			"\xb7": "*",
			"[\u2018\u2019]": "'",
			"[\u201c\u201d]": '"',
			"\u2026": "...",
			"\u2013": "-",
			"\u2014": "--",
			"\uFFFD": "&raquo;"
		}, function(value, key){
			txt = txt.replace(new RegExp(key, 'g'), value);
		});
		return txt;
	},
	cleanQueryString: function(method){
		return this.split("&").filter(method||function(set){
			return $chk(set.split("=")[1]);
		}).join("&");
	}
});


/*
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.erase('selected');
				});
				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.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 = {};
		var styles = { visibility: 'hidden', display: 'block', position:'absolute' };
		//use this method instead of getStyles 
		$each(styles, function(value, style){
			before[style] = this.style[style]||'';
		}, this);
		//this.getStyles('visibility', 'display', 'position');
		this.setStyles(styles);
		return (function(){ this.setStyles(before); }).bind(this);
	},
	
	getDimensions: function(options) {
		options = $merge({computeSize: false},options);
		var dim = {};
		function getSize(el, options){
			return (options.computeSize)?el.getComputedSize(options):el.getSize();
		};
		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
		} else {
			try { //safari sometimes crashes here, so catch it
				dim = getSize(this, options);
			}catch(e){}
		}
		return $chk(dim.x)?$extend(dim, {width: dim.x, height: dim.y}):$extend(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 $extend(styles, size);
	}
});


/*
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){
		if (this.getStyle('display') == 'none') {
			dbug.log('cannot pin ' + this + ' because it is hidden');
			return;
		}
		if(enable!==false) {
			var p = this.getPosition();
			if(!this.get('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.get('pinned')) {
							var to = {
								top: (pos.top.toInt() + window.getScroll().y),
								left: (pos.left.toInt() + window.getScroll().x)
							};
							this.setStyles(to);
						}
					}.bind(this));
				}
				this.set('pinned', true);
			}
		} else {
			var op;
			if (!Browser.Engine.trident) {
				if (this.getParent().getComputedStyle('position') != 'static') op = this.getParent();
				else op = this.getParent().getOffsetParent();
			}
			var p = this.getPosition(op);
			this.set('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.get('pinned'));
	}
});


/*
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;
		var putItBack = this.expose();
    /* dollar around getOffsetParent should not be necessary, but as it does not return 
     * a mootools extended element in IE, an error occurs on the call to expose. See:
		 * http://mootools.lighthouseapp.com/projects/2706/tickets/333-element-getoffsetparent-inconsistency-between-ie-and-other-browsers */
		var offsetParent = $(this.getOffsetParent());
		putItBack();
		if(offsetParent && offsetParent != this.getDocument().body) {
			var putItBack = offsetParent.expose();
			parentOffset = offsetParent.getPosition();
			putItBack();
			parentPositioned = true;
			options.offset.x = options.offset.x - parentOffset.x;
			options.offset.y = options.offset.y - parentOffset.y;
		}
		//upperRight, bottomRight, centerRight, upperLeft, bottomLeft, centerLeft
		//topRight, topLeft, centerTop, centerBottom, center
		function fixValue(option) {
			if($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.getPosition().y;
		var left = (rel == document.body)?window.getScroll().x:rel.getPosition().x;
		
		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.offset.x - dim['margin-left'];
			options.offset.y = options.offset.y - 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.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
			if ('none' != this.getStyle('display')) 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: 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: ''
	},
	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.options.inject = {
			target: document.body,
			where: 'bottom' 
		};
		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.timeout > 0) {
			this.addEvent('onDisplay', function(){
				this.hide.delay(this.options.timeout, this)
			}.bind(this));
		}
		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(this.options.inject.target, this.options.inject.where).store('StickyWin', this);			
		} 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(){
		this.fireEvent('onDisplay');
		this.showWin();
		if(this.options.useIframeShim) this.showIframeShim();
		this.visible = true;
		return this;
	},
	showWin: function(){
		this.win.setStyle('display','block');
		if(!this.positioned) this.position();
	},
	hide: function(suppressEvent){
		if(!suppressEvent) 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);
		this.win.getElements('.'+this.options.closeClassName).each(function(el){
			el.addEvent('click', this.hide.bind(this));
		}, this);
		this.win.getElements('.'+this.options.pinClassName).each(function(el){
			el.addEvent('click', this.togglepin.bind(this));
		}, this);
		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 = $pick(pin, true);
		this.win.pin(pin);
		return this;
	},
	unpin: function(){
		return this.pin(false);
	},
	togglepin: function(){
		return this.pin(!this.pinned);
	},
	makeIframeShim: function(){
		if(!this.shim){
			var el = (this.options.iframeShimSelector)?this.win.getElement(this.options.iframeShimSelector):this.win;
			this.shim = new IframeShim(el, {
				display: false,
				name: 'StickyWinShim'
			});
		}
	},
	showIframeShim: function(){
		if(this.options.useIframeShim) {
			this.makeIframeShim();
			this.shim.show();
		}
	},
	hideIframeShim: function(){
		if(this.options.useIframeShim)
			this.shim.hide();
	},
	destroy: function(){
		if (this.win) this.win.dispose();
		if(this.options.useIframeShim) this.shim.dispose();
		if($('modalOverlay'))$('modalOverlay').dispose();
	}
});


/*
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 = $extend({
		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{clear: none !important; margin:0px 5px 0px 0px !important; overflow: hidden; padding:0 !important; font-weight:bold; color:#555; font-size:14px !important; position:relative; top:8px !important; left:5px !important; float: left; height: 22px !important;}"+
			"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 !important; margin-left:5px !important; position:relative; right:-20px !important;}"+
			"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;
};


/*
Script: DatePicker.js
	Allows the user to enter a date in many popuplar date formats or choose from a calendar.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var DatePicker = new Class({
	Implements: [Options, Events, StyleWriter],
	options: {
		format: "%x",
		defaultCss: 'div.calendarHolder {height:177px;position: absolute;top: -21px !important;top: -27px;left: -3px;width: 100%;}'+
			'div.calendarHolder table.cal {margin-right: 15px !important;margin-right: 8px;width: 205px;}'+
			'div.calendarHolder td {text-align:center;}'+
			'div.calendarHolder tr.dayRow td {padding: 2px;width: 22px;cursor: pointer;}'+
			'div.calendarHolder table.datePicker * {font-size:11px;line-height:16px;}'+
			'div.calendarHolder table.datePicker {margin: 0;padding:0 5px;float: left;}'+
			'div.calendarHolder table.datePicker table.cal td {cursor:pointer;}'+
			'div.calendarHolder tr.dateNav {font-weight: bold;height:22px;margin-top:8px;}'+
			'div.calendarHolder tr.dayNames {height: 23px;}'+
			'div.calendarHolder tr.dayNames td {color:#666;font-weight:700;border-bottom:1px solid #ddd;}'+
			'div.calendarHolder table.datePicker tr.dayRow td:hover {background:#ccc;}'+
			'div.calendarHolder table.datePicker tr.dayRow td {margin: 1px;}'+
			'div.calendarHolder td.today {color:#bb0904;}'+
			'div.calendarHolder td.otherMonthDate {border:1px solid #fff;color:#ccc;background:#f3f3f3 !important;margin: 0px !important;}'+
			'div.calendarHolder td.selectedDate {border: 1px solid #20397b;background:#dcddef;margin: 0px !important;}'+
			'div.calendarHolder a.leftScroll, div.calendarHolder a.rightScroll {cursor: pointer;}'+
			'div.datePickerSW div.body {height: 160px !important;height: 149px;}'+
			'div.datePickerSW .clearfix:after {content: ".";display: block;height: 0;clear: both;visibility: hidden;}'+
			'div.datePickerSW .clearfix {display: inline-table;}'+
			'* html div.datePickerSW .clearfix {height: 1%;}'+
			'div.datePickerSW .clearfix {display: block;}',
		calendarId: false,
		stickyWinOptions: {
			draggable: true,
			dragOptions: {},
			position: "bottomLeft",
			offset: {x:10, y:10},
			fadeDuration: 400
		},
		updateOnBlur: true,
		additionalShowLinks: [],
		showOnInputFocus: true,
		useDefaultCss: true,
		hideCalendarOnPick: true
/*	onPick: $empty,
		onShow: $empty,
		onHide: $empty */
	},
		
	initialize: function(input, options){
		if ($(input)) this.inputs = $H({start: $(input)});
    	this.today = new Date();
		var StickyWinToUse = (typeof StickyWinFx == "undefined")?StickyWin:StickyWinFx;
		this.setOptions({
			stickyWinToUse: StickyWinToUse
		}, options);
		this.whens = this.whens || ['start'];
		if(!this.calendarId) this.calendarId = "popupCalendar" + new Date().getTime();
		if(this.options.useDefaultCss)
			this.createStyle(this.options.defaultCss, 'datePickerStyle');
		this.setUpObservers();
		this.getCalendar();
		this.formValidatorInterface();
	},
	formValidatorInterface: function(){
		this.inputs.each(function(input){
			var props;
			if(input.get('validatorProps')){
				try {
					props = JSON.decode(input.get('validatorProps'));
				}catch(e){}
			}
			if (props && props.dateFormat) {
				dbug.log('using date format specified in validatorProps property of element to play nice with FormValidator');
				this.setOptions({ format: props.dateFormat });
			} else {
				if (!props) props = {};
				props.dateFormat = this.options.format;
				input.set('validatorProps', JSON.encode(props));
			}
		}, this);
	},
	calWidth: 260,
	inputDates: {},
	selectedDates: {},
	setUpObservers: function(){
		this.inputs.each(function(input) {
			if (this.options.showOnInputFocus) input.addEvent('focus', this.show.bind(this));
			input.addEvent('blur', function(e){
				if (e) {
					this.selectedDates = this.getDates(null, true);
					this.fillCalendar(this.selectedDates.start);
					if (this.options.updateOnBlur) this.updateInput();
				}
			}.bind(this));
		}, this);
		this.options.additionalShowLinks.each(function(lnk){
			$(lnk).addEvent('click', this.show.bind(this))
		}, this);
	},
	getDates: function(dates, getFromInputs){
		var d = {};
		if (!getFromInputs) dates = dates||this.selectedDates;
		var getFromInput = function(when){
			var input = this.inputs.get(when);
			if (input) d[when] = this.validDate(input.get('value'));
		}.bind(this);
		this.whens.each(function(when) {
			switch($type(dates)){
				case "object":
					if (dates) d[when] = dates[when]?dates[when]:dates;
					if (!d[when] && !d[when].format) getFromInput(when);
					break;
				default:
					getFromInput(when);
					break;
			}
			if (!d[when]) d[when] = this.selectedDates[when]||new Date();
		}, this);
		return d;
	},
	updateInput: function(){
		var d = {};
		$each(this.getDates(), function(value, key){
			var input = this.inputs.get(key);
			if (!input) return;
			input.set('value', (value)?this.formatDate(value)||"":"");
		}, this);
		return this;
	},
	validDate: function(val) {
		if (!$chk(val)) return null;
		var date = Date.parse(val.trim());
		return isNaN(date)?null:date;
	},
	formatDate: function (date) {
		return date.format(this.options.format);
	},
	getCalendar: function() {
		if(!this.calendar) {
			var cal = new Element("table", {
				'id': this.options.calendarId,
				'border':'0',
				'cellpadding':'0',
				'cellspacing':'0'
			}).addClass('datePicker');
			var tbody = new Element('tbody').inject(cal);
			var rows = [];
			(8).times(function(i){
				var row = new Element('tr').inject(tbody);
				(7).times(function(i){
					var td = new Element('td').inject(row).set('html', '&nbsp;');
				});
			});
			var rows = tbody.getElements('tr');
			rows[0].addClass('dateNav');
			rows[1].addClass('dayNames');
			(6).times(function(i){
				rows[i+1].addClass('dayRow');
			});
			this.rows = rows;
			var dayCells = rows[1].getElements('td');
			dayCells.each(function(cell, i){
				cell.firstChild.data = Date.$days[i].substring(0,3);
			});
			[6,5,4,3].each(function(i){ rows[0].getElements('td')[i].dispose() });
			this.prevLnk = rows[0].getElement('td').setStyle('text-align', 'right');
			if(!Browser.Engine.trident4) this.prevLnk.adopt(new Element('a').set('html', String.fromCharCode(9668)).addClass('rightScroll'));
			else this.prevLnk.adopt(new Element('a').set('html', '&lt;').addClass('rightScroll'));
			this.month = rows[0].getElements('td')[1];
			this.month.set('colspan', 5);
			this.nextLnk = rows[0].getElements('td')[2].setStyle('text-align', 'left');
			if(!Browser.Engine.trident4) this.nextLnk.adopt(new Element('a').set('html', String.fromCharCode(9658)).addClass('leftScroll'));
			else this.nextLnk.adopt(new Element('a').set('html', '&gt;').addClass('leftScroll'));
			cal.addEvent('click', this.clickCalendar.bind(this));
			this.calendar = cal;
			this.container = new Element('div').adopt(cal).addClass('calendarHolder');
			this.content = StickyWin.ui('', this.container, {
				cornerHandle: this.options.stickyWinOptions.draggable,
				width: this.calWidth
			});
			//make stickywin
			var opts = $merge(this.options.stickyWinOptions, {
				content: this.content,
				className: 'datePickerSW',
				allowMultipleByClass: true,
				showNow: false,
				relativeTo: this.inputs.get('start')
			});
			this.stickyWin = new this.options.stickyWinToUse(opts);
			var closer = this.content.getElement('div.closeButton');
			if (closer)closer.setStyle('z-index', this.stickyWin.win.getStyle('z-index').toInt()+2);
		}
		return this.calendar;
	},
	hide: function(){
		this.stickyWin.hide();
		this.fireEvent('onHide');
		return this;
	},
	show: function(){
		this.selectedDates = {};
		var dates = this.getDates(null, true);
		this.whens.each(function(when){
			this.inputDates[when] = dates[when]?dates[when].clone():dates.start?dates.start.clone():this.today;
	    this.selectedDates[when] = !this.inputDates[when] || isNaN(this.inputDates[when]) 
					? this.today 
					: this.inputDates[when].clone();
			this.getCalendar(when);
		}, this);
    this.fillCalendar(this.selectedDates.start);
		this.stickyWin.show();
		this.fireEvent('onShow');
		return this;
	},
	handleScroll: function(e){
		if (e.target.hasClass('rightScroll')||e.target.hasClass('leftScroll')) {
			var newRef = e.target.hasClass('rightScroll')
				?this.rows[2].getElement('td').refDate - Date.$units.day()
				:this.rows[7].getElements('td')[6].refDate + Date.$units.day();
			this.fillCalendar(new Date(newRef));
			return true;
		}
		return false;
	},
	setSelectedDates: function(e, newDate){
		this.selectedDates.start = newDate;
	},
	onPick: function(){
		this.updateSelectors();
		this.inputs.each(function(input) {
			input.fireEvent("change");
			input.fireEvent("blur");
		});
		this.fireEvent('onPick');
		if(this.options.hideCalendarOnPick) this.hide();
	},
	clickCalendar: function(e) {
		if(this.options.format == "%d/%m/%Y") Date.$culture = "GB";
		if (this.handleScroll(e)) return;
		if (!e.target.firstChild || !e.target.firstChild.data) return;
		var val = e.target.firstChild.data;
		if (e.target.refDate) {
			var newDate = Date.parse(e.target.refDate);
			this.setSelectedDates(e, newDate);
			/* trip onchange events in text field */
			this.updateInput();
			this.onPick();
		}
	},
	fillCalendar: function (date) {
		if ($type(date) == "string") date = new Date(date);
		var startDate = (date)?new Date(date.getTime()):new Date();
		startDate.setDate(1);
		startDate.setTime(startDate.getTime() - (Date.$units.day() * startDate.getDay()));
		this.rows[0].getElements('td')[1].firstChild.data = Date.$months[date.getMonth()] + " " + date.getFullYear();
		var atDate = startDate.clone();
		this.rows.each(function(row, i){
			if(i < 2) return;
			row.getElements('td').each(function(td){
				td.firstChild.data = atDate.getDate();
				td.refDate = atDate.getTime();
				atDate.setTime(atDate.getTime() + Date.$units.day());
			}, this);
		}, this);
		this.updateSelectors();
	},
	updateSelectors: function(){
		var atDate;
		var month = new Date(this.rows[5].getElement('td').refDate).getMonth();
		this.rows.each(function(row, i){
			if(i < 2) return;
			row.getElements('td').each(function(td){
				td.className = '';
				atDate = new Date(td.refDate);
				if(atDate.format("%x") == this.today.format("%x")) td.addClass('today');
				this.whens.each(function(when){
					var date = this.selectedDates[when];
					if(date && atDate.format("%x") == date.format("%x")) {
						td.addClass('selectedDate');
						this.fireEvent('selectedDateMatch', [td, when]);
					}
				}, this);
				this.fireEvent('rowDateEvaluated', [atDate, td]);
				if(atDate.getMonth() != month) td.addClass('otherMonthDate');
				atDate.setTime(atDate.getTime() + Date.$units.day());
			}, this);
		}, this);
	}
});

/*
Script: DatePicker.Extras.js
	Extends DatePicker to allow for range selection and time entry.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
DatePicker = new Class({
	Extends: DatePicker,
	options:{
		extraCSS: 'a.finish {position: relative;height: 13px !important;top: -31px !important;left: 85px !important;top: -34px;left: 77px;height: 16px;display:block;float: left;padding: 1px 12px 3px !important;}'+
			'div.calendarHolder div.time {border: #999 1px solid;width: 55px;position: relative;left: 3px;height: 17px;}'+
			'div.calendarHolder td.timeTD {width: 140px;} div.calendarHolder td.label{width:35px; text-align:right}'+
			'div.calendarHolder div.time select {font-size: 10px !important; font-size: 15px;padding: 0px;left:60px;position:absolute;top:-1px !important; width: auto !important;}'+
			'div.calendarHolder div.time input {width: 16px !important;width: 12px;padding: 2px;height: 13px;border: none !important;border: 1px solid #fff;}'+
			'div.calendarHolder div.timeSub {clear:both;position: relative;width: 65px;}'+
			'div.calendarHolder div.timeSub span {text-align: center;color: #999;margin: 5px;}'+
			'div.calendarHolder span.seperator {position:relative;top:-3px;}'+
			'div.calendarHolder table.stamp {position:relative;top: 35px !important;top: 50px;left: 0px;}'+
			'div.calendarHolder table.stamp a {left:123px;position:relative;top:9px;}'+
			'div.calendarHolder table.stamp td {border: none !important;}'+
			'div.calendarHolder td.selected_end {border-width: 1px 1px 1px 0px !important;margin: 0px 0px 0px 1px !important;}'+
			'div.calendarHolder td.selected_start {border-width: 1px 0px 1px 1px !important;margin: 0px 1px 0px 0px !important;}'+
			'div.calendarHolder table.datePicker td.range {background: #dcddef;border: solid #20397b;border-width: 1px 0px;margin: 0px 1px !important;}',
		range: false,
		time: false
	},
	initialize: function(inputs, options){
		if (options && (options.range || options.time)) {
			options = $merge({
				hideCalendarOnPick: false
			}, options);
		}
		if (options.time && !options.format) {
			options.format = "%x %X";
		}
		this.setOptions(options);
		this.whens = (this.options.range)?['start', 'end']:['start'];
		if ($type(inputs) == 'object') {
			this.inputs = $H(inputs);
		} else if ($type($(inputs)) == "element") {
			this.inputs = $H({'start': $(inputs)});
		} else if ($type(inputs) == "array"){
			inputs = $$(inputs);
			this.inputs = $H({});
			this.whens.each(function(when, i){
				this.inputs.set(when, inputs[i]);
			}, this);
		}
		if (this.options.time) this.calWidth = 460;
		this.parent(inputs, this.options);
		this.createStyle(this.options.extraCSS, 'datePickerPlusStyle');
		this.addEvent('rowDateEvaluated', function(atDate, td){
			if (this.options.range && this.selectedDates.start.diff(atDate, 'minute') > 0 
					&& this.selectedDates.end.diff(atDate, 'minute') < 0) td.addClass('range');
		}.bind(this));
		this.addEvent('selectedDateMatch', function(td, when){
			if(this.options.range) td.addClass('selected_'+when);
		}.bind(this));
	},
	updateInput: function(){
		this.parent();
		if (this.options.time) this.updateView();
	},
	updateView: function() {
		this.whens.each(function(when){
			var stamp = this.stamps[when];
			var date = this.getDates()[when];
			stamp.date.set('html', date?date.format("%b. %d, %Y"):"");
			if (stamp.hr) {
				stamp.hr.set('value', date?date.format("%I"):"");
				stamp.min.set('value', date?date.format("%M"):"");
			}
		}, this);
	},
	stamps: {},
	setupWideView: function(){
		var timeStampMap = {
			hr: '%I',
			'min': '%M'
		};
		timeSetMap = {
			hr: 'setHours',
			'min':'setMinutes'
		};
		var dates = this.getDates();
	
		if (!this.options.range && !this.options.time) return;
		this.stamps.table = new Element('table', {
			'class':'stamp'
		}).inject(this.container);
		this.stamps.tbody = new Element('tbody').inject(this.stamps.table);
		this.whens.each(function(when){
			this.stamps[when] = {};
			var s = this.stamps[when]; //saving some bytes
			s.container = new Element('tr').addClass(when+'_stamp').inject(this.stamps.tbody);
			s.label = new Element('td').inject(s.container).addClass('label');
			if(this.whens.length == 1) {
				s.label.set('html', 'date:');
			} else {
				s.label.set('html', when=="start"?"from:":"to:");
			}
			s.date = new Element('td').inject(s.container);
			if (this.options.time) {
				currentWhen = dates[when]||new Date();
				s.time = new Element('tr').inject(this.stamps.tbody);
				new Element('td').inject(s.time);
				s.timeTD = new Element('td').inject(s.time);
				s.timeInputs = new Element('div').addClass('time clearfix').inject(s.timeTD);
				s.timeSub = new Element('div', {'class':'timeSub'}).inject(s.timeTD);
				['hr','min'].each(function(t, i){
					s[t] = new Element('input', {
						type: 'text',
						'class': t,
						name: t,
						events: {
							focus: function(){
								this.select();
							},
							change: function(){
								this.selectedDates[when][timeSetMap[t]](s[t].get('value'));
								this.selectedDates[when].setAMPM(s.ampm.get('value'));
								this.updateInput();
							}.bind(this)
						}
					}).inject(s.timeInputs);
					s[t].set('value', currentWhen.format(timeStampMap[t]));
					if (i < 1) s.timeInputs.adopt(new Element('span', {'class':'seperator'}).set('html', ":"));
					new Element('span', {
						'class': t
					}).set('html', t).inject(s.timeSub);
				}, this);
				s.ampm = new Element('select').inject(s.timeInputs);
				['AM','PM'].each(function(ampm){
					var opt = new Element('option', {
						value: ampm,
						text: ampm.toLowerCase()
					}).set('html', ampm).inject(s.ampm);
					if (ampm == currentWhen.format("%p")) opt.selected = true;
				});
				s.ampm.addEvent('change', function(){
					var date = this.getDates()[when];
					var ampm = s.ampm.get('value');
					if (ampm != date.format("%p")) {
						date.setAMPM(ampm);
						this.updateInput();
					}
				}.bind(this));
			}
		}, this);
		new Element('tr').inject(this.stamps.tbody).adopt(new Element('td', {colspan: 2}).adopt(new Element('a', {
			'class':'closeSticky button',
			events: {
				click: function(){
					this.hide();
				}.bind(this)
			}
		}).set('html', 'Ok')));
	},
	show: function(){
		this.parent();
		if (this.options.time) {
			if (!this.stamps.table) this.setupWideView();
			this.updateView();
		}
	},
	startSet: false,
	onPick: function(){
		if((this.options.range && this.selectedDates.start && this.selectedDates.end) || !this.options.range) {
			this.parent();
		}
	},
	setSelectedDates: function(e, newDate) {
		if(this.options.range) {
			if (this.selectedDates.start && this.startSet) {
				if (this.selectedDates.start.getTime() > newDate.getTime()){
					this.selectedDates.end = new Date(this.selectedDates.start);
					this.selectedDates.start = newDate;
				} else {
					this.selectedDates.end = newDate;
				}
				this.startSet = false;
			} else {
				this.selectedDates.start = newDate;
				if (this.selectedDates.end && this.selectedDates.start.getTime() > this.selectedDates.end.getTime())
					this.selectedDates.end = new Date(newDate);
				this.startSet = true;
			}
		} else {
			this.parent(e, newDate);
		}
		if(this.options.time) {
			this.whens.each(function(when){
				var hr = this.stamps[when].hr.get('value').toInt();
				if (this.stamps[when].ampm.get('value') == "PM" && hr < 12) hr += 12;
				this.selectedDates[when].setHours(hr);
				this.selectedDates[when].setMinutes(this.stamps[when]['min'].get('value')||"0");
				this.selectedDates[when].setAMPM(this.stamps[when].ampm.get('value')||"AM");
			}, this);
		}
	}
});

/*
Script: FormValidator.js
	A css-class based form validation system.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
var InputValidator = new Class({
	Implements: [Options],
	initialize: function(className, options){
		this.setOptions({
			errorMsg: 'Validation failed.',
			test: function(field){return true}
		}, options);
		this.className = className;
	},
	test: function(field){
		if($(field)) return this.options.test($(field), this.getProps(field));
		else return false;
	},
	getError: function(field){
		var err = this.options.errorMsg;
		if($type(err) == "function") err = err($(field), this.getProps(field));
		return err;
	},
	getProps: function(field){
		if($(field) && $(field).get('validatorProps')){
			try {
				return JSON.decode($(field).get('validatorProps'));
			}catch(e){ return {}}
		} else {
			return {}
		}
	}
});

var FormValidator = new Class({
	Implements:[Options, Events],
	options: {
		fieldSelectors:"input, select, textarea",
		ignoreHidden: true,
		useTitles:false,
		evaluateOnSubmit:true,
		evaluateFieldsOnBlur: true,
		evaluateFieldsOnChange: true,
		serial: true,
		warningPrefix: function(){
			return FormValidator.resources[FormValidator.language].warningPrefix || 'Warning: ';
		},
		errorPrefix: function(){
			return FormValidator.resources[FormValidator.language].errorPrefix || 'Error: ';
		}
//	onFormValidate: function(isValid, form){},
//	onElementValidate: function(isValid, field){}
	},
	initialize: function(form, options){
		this.setOptions(options);
		this.form = $(form);
		this.form.store('validator', this);
		this.warningPrefix = $lambda(this.options.warningPrefix)();
		this.errorPrefix = $lambda(this.options.errorPrefix)();

		if(this.options.evaluateOnSubmit) this.form.addEvent('submit', this.onSubmit.bind(this));
		if(this.options.evaluateFieldsOnBlur) this.watchFields();
	},
	toElement: function(){
		return this.form;
	},
	getFields: function(){
		return this.fields = this.form.getElements(this.options.fieldSelectors);
	},
	watchFields: function(){
		this.getFields().each(function(el){
				el.addEvent('blur', this.validateField.pass([el, false], this));
			if(this.options.evaluateFieldsOnChange)
				el.addEvent('change', this.validateField.pass([el, true], this));
		}, this);
	},
	onSubmit: function(event){
		if(!this.validate(event) && event) event.preventDefault();
		else this.reset();
	},
	reset: function() {
		this.getFields().each(this.resetField, this);
		return this;
	}, 
	validate: function(event) {
		var result = this.getFields().map(function(field) { 
			return this.validateField(field, true);
		}, this).every(function(v){ return v;});
		this.fireEvent('onFormValidate', [result, this.form, event]);
		return result;
	},
	validateField: function(field, force){
		if(this.paused) return true;
		field = $(field);
		var passed = !field.hasClass('validation-failed');
		var failed, warned;
		if (this.options.serial && !force) {
			failed = this.form.getElement('.validation-failed');
			warned = this.form.getElement('.warning');
		}
		if(field && (!failed || force || field.hasClass('validation-failed') || (failed && !this.options.serial))){
			var validators = field.className.split(" ").some(function(cn){
				return this.getValidator(cn);
			}, this);
			var validatorsFailed = [];
			field.className.split(" ").each(function(className){
				if (!this.test(className,field)) validatorsFailed.include(className);
			}, this);
			passed = validatorsFailed.length === 0;
			if (validators && !field.hasClass('warnOnly')){
				if(passed) {
					field.addClass('validation-passed').removeClass('validation-failed');
					this.fireEvent('onElementPass', field);
				} else {
					field.addClass('validation-failed').removeClass('validation-passed');
					this.fireEvent('onElementFail', [field, failed]);
				}
			}
			if(!warned) {
				var warnings = field.className.split(" ").some(function(cn){
					if(cn.test('^warn-') || field.hasClass('warnOnly')) 
						return this.getValidator(cn.replace(/^warn-/,""));
					else return null;
				}, this);
				field.removeClass('warning');
				var warnResult = field.className.split(" ").map(function(cn){
					if(cn.test('^warn-') || field.hasClass('warnOnly')) 
						return this.test(cn.replace(/^warn-/,""), field, true);
					else return null;
				}, this);
			}
		}
		return passed;
	},
	getPropName: function(className){
		return '__advice'+className;
	},
	test: function(className, field, warn){
		field = $(field);
		if(field.hasClass('ignoreValidation')) return true;
		warn = $pick(warn, false);
		if(field.hasClass('warnOnly')) warn = true;
		var isValid = true;
		if(field) {
			var validator = this.getValidator(className);
			if(validator && this.isVisible(field)) {
				isValid = validator.test(field);
				if(!isValid && validator.getError(field)){
					if(warn) field.addClass('warning');
					var advice = this.makeAdvice(className, field, validator.getError(field), warn);
					this.insertAdvice(advice, field);
					this.showAdvice(className, field);
				} else this.hideAdvice(className, field);
				this.fireEvent('onElementValidate', [isValid, field, className]);
			}
		}
		if(warn) return true;
		return isValid;
	},
	showAdvice: function(className, field){
		var advice = this.getAdvice(className, field);
		if(advice && !field[this.getPropName(className)] 
			 && (advice.getStyle('display') == "none" 
			 || advice.getStyle('visiblity') == "hidden" 
			 || advice.getStyle('opacity')==0)){
			field[this.getPropName(className)] = true;
			if(advice.reveal) advice.reveal();
			else advice.setStyle('display','block');
		}
	},
	hideAdvice: function(className, field){
		var advice = this.getAdvice(className, field);
		if(advice && field[this.getPropName(className)]) {
			field[this.getPropName(className)] = false;
			//if element.cnet.js is present, transition the advice out
			if(advice.dissolve) advice.dissolve();
			else advice.setStyle('display','none');
		}
	},
	isVisible : function(field) {
		if (!this.options.ignoreHidden) return true;
		while(field != document.body) {
			if($(field).getStyle('display') == "none") return false;
			field = field.getParent();
		}
		return true;
	},
	getAdvice: function(className, field) {
		return $('advice-' + className + '-' + this.getFieldId(field))
	},
	makeAdvice: function(className, field, error, warn){
		var errorMsg = (warn)?this.warningPrefix:this.errorPrefix;
				errorMsg += (this.options.useTitles) ? field.title || error:error;
		var advice = this.getAdvice(className, field);
		if(!advice){
			var cssClass = (warn)?'warning-advice':'validation-advice';
			advice = new Element('div', {
				text: errorMsg,
				styles: { display: 'none' },
				id: 'advice-'+className+'-'+this.getFieldId(field)
			}).addClass(cssClass);
		} else{
			advice.set('html', errorMsg);
		}
		return advice;
	},
	insertAdvice: function(advice, field){
		switch (field.type.toLowerCase()) {
			case 'radio':
				var p = $(field.parentNode);
				if(p) {
					p.adopt(advice);
					break;
				}
			default: advice.inject($('validate'), 'inside');
	  };
	},
	getFieldId : function(field) {
		return field.id ? field.id : field.id = "input_"+field.name;
	},
	resetField: function(field) {
		field = $(field);
		if(field) {
			var cn = field.className.split(" ");
			cn.each(function(className) {
				if(className.test('^warn-')) className = className.replace(/^warn-/,"");
				var prop = this.getPropName(className);
				if(field[prop]) this.hideAdvice(className, field);
				field.removeClass('validation-failed');
				field.removeClass('warning');
				field.removeClass('validation-passed');
			}, this);
		}
		return this;
	},
	stop: function(){
		this.paused = true;
		return this;
	},
	start: function(){
		this.paused = false;
		return this;
	},
	ignoreField: function(field, warn){
		field = $(field);
		if(field){
			this.enforceField(field);
			if(warn) field.addClass('warnOnly');
			else field.addClass('ignoreValidation');
		}
		return this;
	},
	enforceField: function(field){
		field = $(field);
		if(field) field.removeClass('warnOnly').removeClass('ignoreValidation');
		return this;
	}
});

FormValidator.resources = {
	enUS: {
		required:'This field is required.',
		minLength:'Please enter at least {minLength} characters (you entered {length} characters).',
		maxLength:'Please enter no more than {maxLength} characters (you entered {length} characters).',
		integer:'Please enter an integer in this field. Numbers with decimals (e.g. 1.25) are not permitted.',
		numeric:'Please enter only numeric values in this field (i.e. "1" or "1.1" or "-1" or "-1.1").',
		digits:'Please use numbers and punctuation only in this field (for example, a phone number with dashes or dots is permitted).',
		alpha:'Please use letters only (a-z) with in this field. No spaces or other characters are allowed.',
		alphanum:'Please use only letters (a-z) or numbers (0-9) only in this field. No spaces or other characters are allowed.',
		dateSuchAs:'Please enter a valid date such as {date}',
		dateInFormatMDY:'Please enter a valid date such as MM/DD/YYYY (i.e. "12/31/1999")',
		email:'Please enter a valid email address. For example "fred@domain.com".',
		url:'Please enter a valid URL such as http://www.google.com.',
		currencyDollar:'Please enter a valid $ amount. For example $100.00 .',
		oneRequired:'Please enter something for at least one of these inputs.',
		errorPrefix: 'Error: ',
		warningPrefix: 'Warning: '
	}
};
FormValidator.language = "enUS";
FormValidator.getMsg = function(key, language){
	return FormValidator.resources[language||FormValidator.language][key];
};

FormValidator.adders = {
	validators:{},
	add : function(className, options) {
		this.validators[className] = new InputValidator(className, options);
		//if this is a class
		//extend these validators into it
		if(!this.initialize){
			this.implement({
				validators: this.validators
			});
		}
	},
	addAllThese : function(validators) {
		$A(validators).each(function(validator) {
			this.add(validator[0], validator[1]);
		}, this);
	},
	getValidator: function(className){
		return this.validators[className];
	}
};
$extend(FormValidator, FormValidator.adders);
FormValidator.implement(FormValidator.adders);

FormValidator.add('IsEmpty', {
	errorMsg: false,
	test: function(element) { 
		if(element.type == "select-one"||element.type == "select")
			return !(element.selectedIndex >= 0 && element.options[element.selectedIndex].value != "");
		else
			return ((element.get('value') == null) || (element.get('value').length == 0));
	}
});

FormValidator.addAllThese([
	['required', {
		errorMsg: function(){
			return FormValidator.getMsg('required');
		},
		test: function(element) { 
			return !FormValidator.getValidator('IsEmpty').test(element); 
		}
	}],
	['minLength', {
		errorMsg: function(element, props){
			if($type(props.minLength))
				return FormValidator.getMsg('minLength').substitute({minLength:props.minLength,length:element.get('value').length });
			else return '';
		}, 
		test: function(element, props) {
			if($type(props.minLength)) return (element.get('value').length >= $pick(props.minLength, 0));
			else return true;
		}
	}],
	['maxLength', {
		errorMsg: function(element, props){
			//props is {maxLength:10}
			if($type(props.maxLength))
				return FormValidator.getMsg('maxLength').substitute({maxLength:props.maxLength,length:element.get('value').length });
			else return '';
		}, 
		test: function(element, props) {
			//if the value is <= than the maxLength value, element passes test
			return (element.get('value').length <= $pick(props.maxLength, 10000));
		}
	}],
	['validate-integer', {
		errorMsg: FormValidator.getMsg.pass('integer'),
		test: function(element) {
			return FormValidator.getValidator('IsEmpty').test(element) || /^-?[1-9]\d*$/.test(element.get('value'));
		}
	}],
	['validate-numeric', {
		errorMsg: FormValidator.getMsg.pass('numeric'), 
		test: function(element) {
			return FormValidator.getValidator('IsEmpty').test(element) || 
				/^-?(?:0$0(?=\d*\.)|[1-9]|0)\d*(\.\d+)?$/.test(element.get('value'));
		}
	}],
	['validate-digits', {
		errorMsg: FormValidator.getMsg.pass('digits'), 
		test: function(element) {
			return FormValidator.getValidator('IsEmpty').test(element) || (/^[\d() .:\-\+#]+$/.test(element.get('value')));
		}
	}],
	['validate-alpha', {
		errorMsg: FormValidator.getMsg.pass('alpha'), 
		test: function (element) {
			return FormValidator.getValidator('IsEmpty').test(element) ||  /^[a-zA-Z]+$/.test(element.get('value'))
		}
	}],
	['validate-alphanum', {
		errorMsg: FormValidator.getMsg.pass('alphanum'), 
		test: function(element) {
			return FormValidator.getValidator('IsEmpty').test(element) || !/\W/.test(element.get('value'))
		}
	}],
	['validate-date', {
		errorMsg: function(element, props) {
			if (Date.parse) {
				var format = props.dateFormat || "%x";
				return FormValidator.getMsg('dateSuchAs').substitute({date:new Date().format(format)});
			} else {
				return FormValidator.getMsg('dateInFormatMDY');
			}
		},
		test: function(element, props) {
			if(FormValidator.getValidator('IsEmpty').test(element)) return true;
			if (Date.parse) {
				var format = props.dateFormat || "%x";
				var d = Date.parse(element.get('value'));
				var formatted = d.format(format);
				if (formatted != "invalid date") element.set('value', formatted);
				return !isNaN(d);
			} else {
		    var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
		    if(!regex.test(element.get('value'))) return false;
		    var d = new Date(element.get('value').replace(regex, '$1/$2/$3'));
		    return (parseInt(RegExp.$1, 10) == (1+d.getMonth())) && 
	        (parseInt(RegExp.$2, 10) == d.getDate()) && 
	        (parseInt(RegExp.$3, 10) == d.getFullYear() );
			}
		}
	}],
	['validate-email', {
		errorMsg: FormValidator.getMsg.pass('email'), 
		test: function (element) {
			return FormValidator.getValidator('IsEmpty').test(element) || /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i.test(element.get('value'));
		}
	}],
	['validate-url', {
		errorMsg: FormValidator.getMsg.pass('url'), 
		test: function (element) {
			return FormValidator.getValidator('IsEmpty').test(element) || /^(https?|ftp|rmtp|mms):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(element.get('value'));
		}
	}],
	['validate-currency-dollar', {
		errorMsg: FormValidator.getMsg.pass('currencyDollar'), 
		test: function(element) {
			// [$]1[##][,###]+[.##]
			// [$]1###+[.##]
			// [$]0.##
			// [$].##
			return FormValidator.getValidator('IsEmpty').test(element) ||  /^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/.test(element.get('value'));
		}
	}],
	['validate-one-required', {
		errorMsg: FormValidator.getMsg.pass('oneRequired'), 
		test: function (element) {
			var p = element.parentNode;
			return p.getElements('input').some(function(el) {
				if (['checkbox', 'radio'].contains(el.get('type'))) return el.get('checked');
				return el.get('value');
			});
		}
	}]
]);