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

License:
	MIT-style license.

Copyright:
	Copyright (c) 2006-2008 [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': '1.2.3',
	'build': '4980aa0fb74d2f6eb80bcd9f5b8e1fd6fbb8f607'
};

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

	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.alias = function(a1, a2, a3){
		if (typeof a1 == 'string'){
			var pa1 = this.prototype[a1];
			if ((a1 = pa1)) return add(this, a2, a1, a3);
		}
		for (var a in a1) this.alias(a, a1[a], a2);
		return this;
	};

	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;
	};

	if (methods) object.implement(methods);

	return object;
};

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

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

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

	var types = {'boolean': Boolean, 'native': Native, 'object': Object};
	for (var t in types) Native.typize(types[t], t);

	var generics = {
		'Array': ["concat", "indexOf", "join", "lastIndexOf", "pop", "push", "reverse", "shift", "slice", "sort", "splice", "toString", "unshift", "valueOf"],
		'String': ["charAt", "charCodeAt", "concat", "indexOf", "lastIndexOf", "match", "replace", "search", "slice", "split", "substr", "substring", "toLowerCase", "toUpperCase", "valueOf"]
	};
	for (var g in generics){
		for (var i = generics[g].length; i--;) Native.genericize(natives[g], generics[g][i], true);
	}
})();

var MooHash = new Native({

	name: 'MooHash',

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

});

MooHash.implement({

	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;
	},

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

});

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

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 $MooA(iterable){
	if (iterable.item){
		var l = iterable.length, array = new Array(l);
		while (l--) array[l] = iterable[l];
		return array;
	}
	return Array.prototype.slice.call(iterable);
};

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

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

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

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

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

function $empty(){};

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

function $MooH(object){
	return new MooHash(object);
};

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

function $merge(){
	var args = Array.slice(arguments);
	args.unshift({});
	return $mixin.apply(null, args);
};

function $mixin(mix){
	for (var i = 1, l = arguments.length; i < l; i++){
		var object = arguments[i];
		if ($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') ? $mixin(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;
};

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;
};

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 = new MooHash(object);
		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;
};


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

License:
	MIT-style license.
*/

MooHash.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 (MooHash.keyOf(this, value) !== null);
	},

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

	combine: function(properties){
		MooHash.each(properties || {}, function(value, key){
			MooHash.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(){
		MooHash.each(this, function(value, key){
			delete this[key];
		}, this);
		return this;
	},

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

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

	filter: function(fn, bind){
		var results = new MooHash;
		MooHash.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 = [];
		MooHash.each(this, function(value, key){
			keys.push(key);
		});
		return keys;
	},

	getValues: function(){
		var values = [];
		MooHash.each(this, function(value){
			values.push(value);
		});
		return values;
	},

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

		return queryString.join('&');
	}

});

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