if (typeof(window.$)=='undefined'){

	function $(element){

		if (typeof(element)=='string')

			element = document.getElementById(element);

		else if (window._prototyper) // IE (.htc)

			element = window._prototyper(element);

		return element;

	}

}



function $A(iterable){

	if(typeof(iterable)=='undefined'){

		iterable = [];

	}

	else 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 $clear(timer){

	clearTimeout(timer);

	clearInterval(timer);

	return null;

};





function isIE(){

	return typeof(ActiveXObject)!='undefined';

};







var Element = window.Element || function() {};



Element.prototype.__prototyped = true;







Element.prototype.getElementsByClassName = function(className){

	var className = new RegExp('\\b'+className+'\\b');

	var out = [];

	var elements = this.getElementsByTagName('*');

	for(var i=0, element; element=elements[i]; i++){

		if(className.test(element.className)){

			out.push(element);

		}

	}

	return $A(out);

};

document.getElementsByClassName = Element.prototype.getElementsByClassName;

window.getElementsByClassName = function(className){

	return document.getElementsByClassName(className);

};







/*

 * Events

 */

var Event = function(event){

	for(pName in event)

		this[pName] = event[pName];

	this.stop = function(){

		return this.stopPropagation().preventDefault();

	};

	this.preventDefault = function(){

		if (this.event.preventDefault) this.event.preventDefault();

		else this.event.returnValue = false;

		return this;

	};

	this.stopPropagation = function(){

		if (this.event.stopPropagation) this.event.stopPropagation();

		else this.event.cancelBubble = true;

		return this;

	};

	this.target = event.target || event.srcElement;

	this.event = event;

	return this;

};

Event.removeOn = function(string){

	return string.replace(/^on([A-Z])/, function(full, first){

		return first.toLowerCase();

	});

};







Element.prototype._runEventFcts = function(type, event){

	type = Event.removeOn(type);

	if (!this.$events[type]) return;

	if (event) event = new Event(event);

	for (var i in this.$events[type])

		this.$events[type][i].apply(this, [event]);

};

window._runEventFcts = document._runEventFcts = Element.prototype._runEventFcts;



Element.prototype.addEvent = function(type, fn){

	type = Event.removeOn(type);



	this.$events = this.$events || {};

	var mustAttach = (typeof(this.$events[type])=='undefined');

	this.$events[type] = this.$events[type] || [];

	this.$events[type].push(fn);



	if (mustAttach && type!='domready'){

		var self = this;

		var fn = function(event){self._runEventFcts(type, event);};

		if (this.addEventListener)

			this.addEventListener(type, fn, false);

		else if (this.attachEvent)

			this.attachEvent('on'+type, fn);

	}

	return this;

};

window.addEvent = document.addEvent = Element.prototype.addEvent;



Element.prototype.addEvents = function(events){

	for (var key in events)

		this.addEvent(key, events[key]);

	return this;

};

window.addEvents = document.addEvents = Element.prototype.addEvents;



Element.prototype.fireEvent = function(type, args, delay){

	type = Event.removeOn(type);

	if (!this.$events || !this.$events[type]) return this;

	for(var i=0, fn; fn=this.$events[type][i]; i++){

		if (delay){

			var self = this;

			var returns = function() {

				return fn.apply(self, (args || []));

			};

			return setTimeout(returns, delay);

		} else {

			fn.apply(this, (args || []));

		}

	}

	return this;

};

window.fireEvent = document.fireEvent = Element.prototype.fireEvent;



Element.prototype.removeEvent = function(type, fn){

	for (var key in this.$events[type]){

		if (this.$events[type][key]==fn)

			delete this.$events[type][key];

	}

	return this;

};

window.removeEvent = document.removeEvent = Element.prototype.removeEvent;



Element.prototype.removeEvents = function(type){

	type = Event.removeOn(type);

	this.$events[type] = [];

	return this;

};

window.removeEvents = document.removeEvents = Element.prototype.removeEvents;







/*

 * DomReady

 */

(function(){

	Event.domReady = false;



	var domready = function(){

		if (Event.domReady) return;

		Event.domReady = true;

		window.fireEvent('domready');

		document.fireEvent('domready');

	};



	// TODO: Implémenter d'autres méthodes de test

	// http://devblog.techhead.biz/2009/04/domcontentloaded-ondocumentready.html



	// IE le "signale" depuis le fichier ProtoJS.IE.js

	window.addEvent('load', domready);

	document.addEvent('DOMContentLoaded', domready);

})();







/*

 * Misc

 */

if (window.HTMLCollection){

	window.addEvent('domready', function(){

		for (var key in Array.prototype){

			try {

				HTMLCollection.prototype[key] = Array.prototype[key];

			} catch(e) {}

		}

	});

}