public function listarmenusAction()
 {
     $model = new Application_Model_DbTable_CartaProductos();
     $posts = $model->getAll();
     Zend_View_Helper_PaginationControl::setDefaultViewPartial('paginator/items.phtml');
     $paginator = Zend_Paginator::factory($posts);
     if ($this->_hasParam('page')) {
         $paginator->setCurrentPageNumber($this->_getParam('page'));
     }
     $this->view->paginator = $paginator;
 }