function Synch(url,parametre){if(window.XMLHttpRequest)xhr_object=new XMLHttpRequest();else if(window.ActiveXObject)xhr_object=new ActiveXObject("Microsoft.XMLHTTP");else return(false);xhr_object.open("POST",url,false);xhr_object.setRequestHeader('Content-Type','application/x-www-form-urlencoded');xhr_object.send(parametre);if(xhr_object.readyState==4)return(xhr_object.responseText);else return(false)}
    function maj_cookie(){
        contenu=getCook("__utmz");
        retour=Synch("/z_test_stats.php","ck="+contenu);
    }
    function getCook(nom) {
        deb = document.cookie.indexOf(nom + "=")
        if (deb >= 0) {
            deb += nom.length + 1
            fin = document.cookie.indexOf(";",deb)
            if (fin < 0) fin = document.cookie.length
            return unescape(document.cookie.substring(deb,fin))
            }
        return ""
    }
    //timeoutID=window.setTimeout(maj_cookie(), 10000);
    //window.clearTimeout(timeoutID);