public function approveAction()
 {
     $this->_helper->viewRenderer->setNoRender(true);
     if ($this->_userInfo->canApprove) {
         $tbl_news = new Model_DbTable_News();
         $id = $this->_getParam('id');
         $data = array("status" => Model_DbTable_News::PUBLISH);
         $tbl_news->fetchRow(array("news_id = ?" => $id))->setFromArray($data)->save();
         $this->_flashMessenger->addMessage('News approved successfully');
     }
     $this->_helper->redirector('index');
 }