public function actionSave()
 {
     $id = $_POST['id'];
     $ha = UserModule::model()->deleteAllByAttributes(array("user_level_id" => $id));
     $q = $_POST['q'];
     $arr = explode(";;", $q);
     $num = 1;
     foreach ($arr as $elem) {
         $ha = new UserModule();
         $ha->user_level_id = $id;
         $ha->module_id = $elem;
         $ha->save();
         $num++;
     }
 }