public function actionAddLanguage()
 {
     $ok = 0;
     $message = 'Your request is invalid';
     $redirectUrl = null;
     if (Yii::app()->request->isAjaxRequest && isset($_POST['id'])) {
         $id = intval($_POST['id']);
         $model = AllLanguages::model()->findByPk($id);
         if ($model) {
             $existedLanguage = ExtLanguages::model()->findByAttributes(array('code2' => $model->code2));
             if ($existedLanguage) {
                 $message = 'Language "' . $existedLanguage->name . '" already exists!';
             } else {
                 $newLanguage = new ExtLanguages();
                 $newLanguage->unsetAttributes();
                 $newLanguage->attributes = $model->attributes;
                 $newLanguage->status = 1;
                 $newLanguage->asDefault = 0;
                 if ($newLanguage->save()) {
                     $ok = 1;
                     $message = 'New languge added successfully.';
                     $redirectUrl = Yii::app()->request->urlReferrer;
                 } else {
                     $message = 'Error! languge not added';
                 }
             }
         }
     }
     echo json_encode(array('ok' => $ok, 'message' => $message, 'redirectUrl' => $redirectUrl));
     Yii::app()->end();
 }