function writediv(texte, zonetraitement)
	{
	//{alert(zonetraitement);
	document.getElementById(zonetraitement).innerHTML = texte;
	}
	
function changeMenu(url, zonetraitement, MsgAttente)
	{		
	if(url != '')
		{
		var httpRequest = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            httpRequest = new XMLHttpRequest();
            if (httpRequest.overrideMimeType) {
                httpRequest.overrideMimeType('text/xml');
                // Voir la note ci-dessous à propos de cette ligne
            }
        }
        else if (window.ActiveXObject) { // IE
            try {
                httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
            }
            catch (e) {
                try {
                    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
                }
                catch (e) {}
            }
        }

		httpRequest.open("POST", url, true);			
		
		httpRequest.onreadystatechange  = function()
			{ 
	        if(httpRequest.readyState  == 4)
		        {
		        if(httpRequest.status  == 200) 
					{
		            document.getElementById(zonetraitement).innerHTML = httpRequest.responseText;
					}
		        else 
					{
		            //erreur
					}
		        }
			else
				{
				if (MsgAttente !== undefined) 
					{
					//Veuillez patientez
					document.getElementById(zonetraitement).innerHTML = MsgAttente;
					}
				}
			}; 
			
		httpRequest.send(null);
		}
	}