public function GetActiveShopModuleArticlelistOrderbyId($sInstanceId = '')
    {
        $iActiveShopModuleArticlelistOrderbyId = null;
        $oGlobal = TGlobal::instance();
        if ($oGlobal->UserDataExists(self::URL_ORDER_BY)) {
            $iActiveShopModuleArticlelistOrderbyId = $oGlobal->GetUserData(self::URL_ORDER_BY);
        } else {
            if (array_key_exists(self::SESSION_ACTIVE_ORDER_BY.$sInstanceId, $_SESSION)) {
                $iActiveShopModuleArticlelistOrderbyId = $_SESSION[self::SESSION_ACTIVE_ORDER_BY.$sInstanceId];
            }
        }

        return $iActiveShopModuleArticlelistOrderbyId;
    }