public function smartBlockShuffleAction()
 {
     $request = $this->getRequest();
     $params = $request->getPost();
     try {
         $bl = new Application_Model_Block($params['obj_id']);
         $result = $bl->shuffleSmartBlock();
         if ($result['result'] == 0) {
             $this->_helper->json->sendJson(array("result" => 0, "html" => $this->createFullResponse($bl, true)));
         } else {
             $this->_helper->json->sendJson($result);
         }
     } catch (BlockNotFoundException $e) {
         $this->playlistNotFound('block', true);
     } catch (Exception $e) {
         $this->playlistUnknownError($e);
     }
 }