document.getElementById("tablepresentation").style.display = "none";

function requesthome(f) {
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;
}

var filename = "/modules/home2/ajax.php";
document.getElementById("zoomsur").style.display="block";

xhr_object.open('POST', filename, true);

xhr_object.onreadystatechange = function() {
   if(xhr_object.readyState == 4) {
		var tmp = xhr_object.responseText;
		if(typeof(tmp) != "undefined" && tmp != "") {
			document.getElementById(f).innerHTML = tmp;
		}
   }
}

   xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

xhr_object.send("type="+f);

}