function ajaxToggleStatus($param = NULL)
 {
     try {
         if (!$this->user->isAdmin) {
             throw new Exception("Access Denied");
         }
         $userOperator = new UserBatchOperator();
         $userOperator->toggleStatus($param["userId"]);
         $result["error"] = "0";
         $result["msg"] = "Account is toggled.";
     } catch (Exception $ex) {
         $result["error"] = "1";
         $result["msg"] = $ex->getMessage();
     }
     echo json_encode($result);
 }