var isCtrl = false;
document.onkeyup = function(e)
{
   if (e.which == 17)
      isCtrl = false;
}
document.onkeydown = function(e)
{
   if (e.which == 17)
      isCtrl = true;
   if ((e.which == 69) && (isCtrl == true)) {
      window.open(location+'?edit=true', 'ludiqlandedit', '');
      return false;
   }
   if ((e.which == 65) && (isCtrl == true)) {
      location = '/login.php';
      return false;
   }
}