function listAjax(page) {

	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;
	}
	//alert(page+"/modules/espMarche/admin/elementAjax.php");
	xhr_object.open("POST","elementAjax.php", true); // mettre le bon chemin ici

	xhr_object.onreadystatechange = function anonymous() {
		if(xhr_object.readyState == 4)
			eval(xhr_object.responseText);
	}

	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	var data = "ref="+page;
	xhr_object.send(data);


}