public function register_scripts_and_styles() {

            $uitheme = $this->jckwdsSettings['datesettings_datesettings_setup_uitheme'];

            if ( is_admin() ) {

            } else {
                if($uitheme != 'none' && is_checkout()){
                    wp_enqueue_style(
                        $this->slug . 'admin-ui-css',
                        'http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.21/themes/'.$uitheme.'/jquery-ui.css',
                        false,
                        $this->version,
                        false
                    );
                }
                $this->load_file( $this->slug . '-script', '/assets/frontend/js/jckwds-scripts.min.js', true, array('jquery-ui-datepicker'), true );
                $this->load_file( $this->slug . '-style', '/assets/frontend/css/jckwds-styles.min.css' );

                    $current_language = ICL_LANGUAGE_CODE;

                    if ( function_exists( 'icl_register_string' ) && ICL_LANGUAGE_CODE == $current_language && ICL_LANGUAGE_CODE !== 'en') {
                        wp_register_script('jquery.ui.datepicker-'.$current_language.'', plugins_url('jck_woo_deliveryslots/assets/options/jck-settings-framework/js/datepicker/di18n/jquery.ui.datepicker-'.$current_language.'.js', dirname(__FILE__)));
                        wp_enqueue_script('jquery.ui.datepicker-'.$current_language.'');
                    }

                wp_enqueue_style( $this->slug . '-dynamic-style', admin_url('admin-ajax.php').'?action='.$this->slug . '-dynamic-style' );
            } // end if/else