Stuff

 // on se crée l'objet http_request qui permettra d'appeler copixvar http_request = false;function makeRequest(url, zone) {      http_request = false;      if (window.XMLHttpRequest) { // Mozilla, Safari,...         http_request = new XMLHttpRequest();         if (http_request.overrideMimeType) {            http_request.overrideMimeType('text/xml');         }      } else if (window.ActiveXObject) { // IE         try {            http_request = new ActiveXObject("Msxml2.XMLHTTP");         } catch (e) {            try {               http_request = new ActiveXObject("Microsoft.XMLHTTP");            } catch (e) {}         }      }      if (!http_request) {         alert('Cannot create XMLHTTP instance');         return false;      }      http_request.zoneToChange = zone; //je retiens la zone à changer      http_request.onreadystatechange = changezone;      http_request.open('GET', url , true);      http_request.send(null);   }   function changezone(){        if (http_request.readyState == 4) {         if (http_request.status == 200) {            var contenu = http_request.responseText;            document.getElementById(http_request.zoneToChange).innerHTML=contenu;         }        }   }