var logged_ok = '';
function popuplogin(){
  if (logged_ok == 'oui'){
    top.window.location.href = 'cat_fset.php';    
  }else{
    var fenetre;
    lurl='login.php';
    if ((fenetre)&&(!fenetre.closed)) { fenetre.close() };
    var param = 'resizable=yes,'
                 + 'scrollbars=auto,'     // yes, no, auto
                 + 'status=yes,'
                 + 'location=yes,'
                 + 'titlebar=yes,'
                 + 'toolbar=yes,'
                 + 'menubar=yes,'
                 + 'dependent=yes'  ;
    window.open(lurl, fenetre, param);
  }
}