function refr(div,contenu,org) { //alert(contenu);										
				var xhr_object = null;   
				if(window.XMLHttpRequest)
				xhr_object = new XMLHttpRequest();   
				else if(window.ActiveXObject)
				xhr_object = new ActiveXObject("Microsoft.XMLHTTP");   
				else { alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); return; }  
				xhr_object.open("GET", contenu, false);
				
xhr_object.send(null); //alert (xhr_object.responseText);
if(xhr_object.readyState == 4) 
		
		if (org=="pop") { window.opener.document.getElementById(div).innerHTML = xhr_object.responseText;}
		if (org=="fr2") { window.opener.parent.document.getElementById(div).innerHTML = xhr_object.responseText;}
		if (org=="fr3") { window.opener.opener.parent.document.getElementById(div).innerHTML = xhr_object.responseText;}
		if (org=="fra") { parent.document.getElementById(div).innerHTML = xhr_object.responseText;}
		if (org=="ifr") { window.parent.document.getElementById(div).innerHTML = xhr_object.responseText;} //depuis IFRAME
		if (org=="self") {document.getElementById(div).innerHTML = xhr_object.responseText;}
		
		}