protected function getCatID()
    {
        $objBannerCatID = \Database::getInstance()->prepare("SELECT 
                                                                MIN(pid) AS ID 
                                                             FROM 
                                                                tl_banner")
                                                  ->execute();
        $objBannerCatID->next();
        if ($objBannerCatID->ID === null)
        {
            return 0;
        }
        else
        {
            return $objBannerCatID->ID;
        }
    }