protected function _loadManufacturerTree($sActManufacturer)
    {
        $myConfig = \OxidEsales\Eshop\Core\Registry::getConfig();
        if ($myConfig->getConfigParam('bl_perfLoadManufacturerTree')) {
            $oManufacturerTree = $this->getManufacturerList();
            $shopHomeURL = $myConfig->getShopHomeUrl();
            $oManufacturerTree->buildManufacturerTree('manufacturerlist', $sActManufacturer, $shopHomeURL);

            $oParentView = $this->getParent();

            // setting active Manufacturer list
            $oParentView->setManufacturerTree($oManufacturerTree);
            $this->setManufacturerTree($oManufacturerTree);

            // setting active Manufacturer
            if (($oManufacturer = $oManufacturerTree->getClickManufacturer())) {
                $oParentView->setActManufacturer($oManufacturer);
            }
        }
    }