public function shareAction()
 {
     $this->_helper->viewRenderer->setNoRender(true);
     if ($this->_request->isPost()) {
         $gameId = $this->_request->getPost('gameId');
         if ($gameId) {
             $mode_game = new Model_Game();
             $returnVal = $mode_game->addShare($gameId);
         }
     }
 }