function xhrQuery(url, method) {	
	
	this.url = url;
	this.method = method;
	this.headers = new Array();
	this.posts = new Array();
	this.cookies = new Array();
	this.callback = null;
	this.async = true;
	
	
	/**************/
	/* evenements */
	/**************/
	
	this.onsuccess = null;
	this.onError = function (status, statusText) {
		alert(status + " : " + statusText);
	}
	
	
	/************/
	/* Methodes */
	/************/
	
	this.reset = function () {
		this.headers = new Array();
		this.postData = new Array();
		this.cookies = new Array();
		this.callback = null;
		this.async = true;
		return true;
	}
	
	this.addHeader = function (name, value) {
		var a = new Array();
		a['name'] = name;
		a['value'] = value;
		this.headers[this.headers.length] = a;
		return a;
	}
	
	this.addCookie = function (name, value) {
		var a = new Array();
		a['name'] = encodeURIComponent(name);
		a['value'] = encodeURIComponent(value);
		this.cookies[this.cookies.length] = a;
		return a;
	}
	
	this.addPost = function (name, value) {
		var a = new Array();
		a['name'] = encodeURIComponent(name);
		a['value'] = encodeURIComponent(value);
		this.posts[this.posts.length] = a;
		return a;
	}
	
	this.toggleSync = function () {
		this.async = !this.async;
		return this.async;
	}
	
}

function xhrResult(xhr) {
	
	this.xml = xhr.responseXML;
	this.text = xhr.responseText
	this.status = xhr.status;
	this.statusText = xhr.statusText;
	this.responseHeaderStr = xhr.getAllResponseHeaders();
}

function xhrProcessor() {
	
	this.queue = new Array('null');
	this.current = 1;
	this.busy = false;
	this.xhr = null;
	var self = this;
	
	this.process = function (query) {
	
		this.busy = this.current;
		this.xhr = new XMLHttpRequest();
		
		for (var i in query.headers) this.xhr.setRequestHeader(query.headers[i]['name'], query.headers[i]['value']);
		
		var data = this.linearize(query.posts);
		var cook = this.linearize(query.cookies);
		if (cook) this.xhr.setRequestHeader('Cookies', cook);
		
		this.xhr.onreadystatechange = function() {
			xhrMonitor(this.readyState);
			if ( this.readyState == 4 ) {
				var result = new xhrResult(this);
				if (query.callback)  var res = query.callback(result);
				xhrMonitor(0);
				return res;
			}
			return true;
		}
				
		this.xhr.open(query.method, query.url, query.async);
		this.xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		this.xhr.send(data);
		this.current++;
		
		return true;
	}
	
	this.abort = function () {
		return this.xhr.abort();
	}
	
	this.linearize = function (arr) {
		var str = '';
		for (var i in arr) {
			str += arr[i]['name'] + "=" + arr[i]['value'] + "&";
		}
		return str;
	}
	
}

function xhrMonitor(rS) {
	
	if (rS == 0) rS = 'zero';
	if (rS == 1) rS = 'one';
	if (rS == 2) rS = 'two';
	if (rS == 3) rS = 'three';
	if (rS == 4) rS = 'four';
	document.getElementById('xhrMonitor').className = rS;
	
}

function makeXhrMon(elem) {
	
	function xhrtoggle(e) {
		
		e.stopPropagation();
		if (document.getElementById('xhrMonitor').hasClassName('active')) return document.getElementById('xhrMonitor').removeClassName('active');
		return document.getElementById('xhrMonitor').addClassName('active');
	}
	
	function xhrfree() {
		document.getElementById('xhrMonitor').removeClassName('active');
	}
	
	var sp = document.getElementById('xhrMonitor').getElementsByTagName('span');
	for (var i = 0; i < 5; i++) {
		
		eval("sp[i + 1].addEventListener('click', function () {if ( document.getElementById('xhrMonitor').hasClassName('active') ) xhrMonitor(" + i + ");}, false); ");
	}
	
	elem.addEventListener('click', xhrtoggle, false);
	document.addEventListener('click', xhrfree, false);
	
}