public function actionLoadPage()
 {
     if (empty(Yii::app()->user->id)) {
         $this->redirect(Yii::app()->createUrl(""));
     }
     $page = $_REQUEST["page"];
     $index = ($page - 1) * 10;
     $results = WQuestionCatLib::getQuestionLibCatAll(10, $page - 1);
     $data = $this->renderPartial('blocks/_loadpage', array('data' => $results, 'index' => $index), true);
     echo json_encode(array("result" => "true", "html" => $data));
 }