/**
  * getbychar action for article controller
  */
 public function getbycharAction()
 {
     // action body
     try {
         $term = $this->getRequest()->getParam("term");
         $mdlArticle = new Content_Model_Article();
         $articleList = $mdlArticle->getByChar($term);
         $data = array();
         foreach ($articleList as $article) {
             $data[] = array("id" => $article->id, "value" => $article->title);
         }
         echo Zend_Json::encode($data);
         $this->_helper->layout()->disableLayout();
     } catch (Exception $e) {
         echo $e->getMessage();
     }
 }