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