/*********** Traitement de l'Ajax ************/
function creatObjetAjax(idRetour, url)
{

	var req = null; 
	if (window.XMLHttpRequest)
	{
		req = new XMLHttpRequest();
	} // if (window.XMLHttpRequest)
	else if (window.ActiveXObject) 
	{
		try
		{
			req = new ActiveXObject("Msxml2.XMLHTTP");
		} // try 
		catch (e)
		{
			try 
			{
				req = new ActiveXObject("Microsoft.XMLHTTP");
			} // try 
			catch (e) {}
		} // catch (e)
	} // else if (window.ActiveXObject) 
	req.onreadystatechange = function(valeur)
		{ 
			if(req.readyState == 4)
			{
				if(req.status == 200)
				{
					document.getElementById(idRetour).innerHTML = req.responseText;
				} // if(req.status == 200)	
				else	
				{
					document.getElementById(idRetour).innerHTML = "Error: returned status code " + req.status + " " + req.statusText;
				} // else if if(req.status == 200)	
			} 
		}; // req.onreadystatechange = function(genre)
		req.open("GET", url, true);
		//req.open(methodSendAJX, urlSendAJX, true);
		req.send(null); 
	
} // function searchListing(genre)document.getElementById('services').options[document.getElementById('services').selectedIndex].value;