public function _prepareLayout() { $FeaturedStatus = Mage::getStoreConfig('sm_featured/sm_featured/enable'); if ($FeaturedStatus == 1) { Mage::app()->getLayout()->getBlock('head')->addItem('skin_css', 'css/slider/lib/idangerous.swiper.css'); $this->getLayout()->getBlock('head')->addItem('skin_js', 'js/slider/lib/idangerous.swiper.js'); } return parent::_prepareLayout(); }