protected function _find($type, $id)
 {
     // load config
     require_once JPATH_ADMINISTRATOR . '/components/com_zoo/config.php';
     // get ZOO app
     $app = App::getInstance('zoo');
     if (self::$_menu_items == null) {
         $component_id = $app->joomla->isVersion('1.5') ? 'componentid' : 'component_id';
         $menu_items = $app->object->create('JSite')->getMenu()->getItems($component_id, JComponentHelper::getComponent('com_zoo')->id);
         $menu_items = $menu_items ? $menu_items : array();
         self::$_menu_items = array_fill_keys(array('category', 'frontpage', 'item'), array());
         foreach ($menu_items as $menu_item) {
             switch (@$menu_item->query['view']) {
                 case 'frontpage':
                     self::$_menu_items['frontpage'][$app->parameter->create($menu_item->params)->get('application')] = $menu_item;
                     break;
                 case 'category':
                     self::$_menu_items['category'][$app->parameter->create($menu_item->params)->get('category')] = $menu_item;
                     break;
                 case 'item':
                     self::$_menu_items['item'][$app->parameter->create($menu_item->params)->get('item_id')] = $menu_item;
                     break;
             }
         }
     }
     return @self::$_menu_items[$type][$id];
 }