lng = lire("coo");
if (lng == " ") {
//alert (" pas de cookie -> en");
  lng = "en";}
function lire(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
  //alert ("lire" + document.cookie.substring(deb,fin));
       return unescape(document.cookie.substring(deb,fin))}
  return ""}