public function savetopicAction()
 {
     global $mySession;
     $db = new Db();
     $this->view->pageHeading = "Add New Topic";
     if ($this->getRequest()->isPost()) {
         $request = $this->getRequest();
         $myform = new Form_Topic();
         if ($myform->isValid($request->getPost())) {
             $dataForm = $myform->getValues();
             $myObj = new Forums();
             $Result = $myObj->SaveTopic($dataForm);
             if ($Result == 1) {
                 $mySession->errorMsg = "New topic added successfully.";
                 $this->_redirect('forum/index');
             } else {
                 $mySession->errorMsg = "Topic name you entered is already exists.";
                 $this->view->myform = $myform;
                 $this->render('addtopic');
             }
         } else {
             $this->view->myform = $myform;
             $this->render('addtopic');
         }
     } else {
         $this->_redirect('forum/addtopic');
     }
 }