function Lien(IDL)
{
		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...");
			return;
		}
		xhr_object.open("POST", "../compteur_lien.php", true);
		xhr_object.onreadystatechange = function() {
			   if(xhr_object.readyState == 4) eval(xhr_object.responseText);
			}
		xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		var data = "id="+IDL;
		xhr_object.send(data);
		return true;
}