function xmlhttpPost1(strURL) {
    var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
          var reponse = self.xmlHttpReq.responseText;
          updatepage(reponse);
          var resultat = reponse.search(/OK/);
          if(resultat != -1){
            //alert("TEST : Redir");
            Refresh();
          }
        }
    }
    self.xmlHttpReq.send(getquerystring1());
}

function getquerystring1() {
    var form = document.forms['form_login'];
    var climail = form.cli_mail.value;
    var climdp = form.cli_mdp.value;
    qstr = 'climail=' + escape(climail) + '&climdp=' + escape(climdp);
    // Remarque: pas de '?' avant la chane de requte
    return qstr;
}