function affmenu(url,res){
var LesMenus = document.getElementById("menu_gauche").getElementsByTagName("ul");
for(i=0; i < LesMenus.length; i++){
LesMenus[i].style.display ='none';
}
var lid=url.length;
var idm=url.lastIndexOf('=',lid);
var idn=url.substring(idm+1,lid);
document.getElementById(idn).style.display="block";
if(res=='droite'){
document.getElementById('chat').style.display="none";
document.getElementById('droite').style.display="block";}
else{
document.getElementById('chat').style.display="block";
document.getElementById('droite').style.display="none";}
}

function menucolor(url){
var LesMenus = document.getElementById("menu_gauche").getElementsByTagName("ul");
var n=0; var m=0;
while(n < LesMenus.length){
var LesLiens = LesMenus[n].getElementsByTagName("a");
for(m=0; m < LesLiens.length; m++){
if(LesLiens[m].id==url.substring(0,6)){
LesLiens[m].style.color="red";
}else{LesLiens[m].style.color="purple";
}
}
n++;
}
var LesH3 = document.getElementById("menu_gauche").getElementsByTagName("h3");
var l=0; var o=0;
while(l < LesH3.length){
var LesLiensH3=LesH3[l].getElementsByTagName("a");
for(o=0; o < LesLiensH3.length; o++){

if(LesLiensH3[o].id==url.substring(0,6)){
LesLiensH3[o].style.color="red";
}else{LesLiensH3[o].style.color="green";
}
}
l++
}
}

 function POPIE(){
   var A= this[this.length-2]; // A prend la valeur du dernier élément du tableau
   this.length--; // On retire la dernière cellule du tableau
   return A; // On renvoie la valeur prélevée
}
// on rajoute à tout objet Array une méthode pop définie par la fonction POPIE
Array.prototype.pop=POPIE;
/*TabEssai=[12,3,16];
alert('Element preleve:'+TabEssai.pop()+'\n\nElement(s) restant(s):'+TabEssai);*/
var prec='';
var Preced = new Array();
function request(url,res) {
var trck='track.php?ref=' + url + '&p=' + prec;
charge_page(trck,'');
charge_page(url,res,prec);
prec=url;
Preced.push(prec);
}
function precedent(url,res){
if(Preced.length-1>=0){
prec=Preced.pop();
charge_page(url,res,prec);
}else{
document.getElementById("preced").innerHTML ='';
}
}

function charge_page(url,res,prec) {
document.getElementById("marius").style.display ='block';
	var xhr_object = null;

	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else { // XMLHttpRequest non supporté par le navigateur
		//alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");

document.location.href="index.php?menu=message";
		return;
	}

	xhr_object.open("GET", url, true);
if(res!=''){
	xhr_object.onreadystatechange = function anonymous() {
var a=res;
var u=url;
		if(xhr_object.readyState == 4)     {
document.getElementById(a).innerHTML = xhr_object.responseText;
document.getElementById("marius").style.display ='none';
if(Preced.length-1>=0){
document.getElementById("preced").innerHTML ='<a style="color:green;text-decoration:none;background-color:white;padding-right:10px" href="'+prec+'" title="Precedent" onclick="precedent('+"'"+prec+"','redac');return(false);"+'"><img src="pre.gif" border="0" />&nbsp;Pr&eacute;c&eacute;dent </a>';
}else{
document.getElementById("preced").innerHTML ='';
}
 }else if (document.all){
    document.all[a].innerHTML = xhr_object.responseText;
    document.all[u].style.color="red";
    }
	}
affmenu(url,res);
menucolor(url);
}
	xhr_object.send(null);
	return;
}

function dbl_request(url1,res1,url2,res2){
charge_page(url2,res2);
request(url1,res1);
}