if (Request::hasVar('galleryview_overlayfs', 'POST')) {
            if ($helper->getConfig('galleryview_overlayfs') != $_POST['galleryview_overlayfs']) {
                $criteria = new \CriteriaCompo();
                $criteria->add($moduleIdCriteria);
                $criteria->add(new \Criteria('conf_name', 'galleryview_overlayfs'));