public function registerJs() {
			if ( Yii::$app->request->isAjax ) {
				return;
			}
			$js = <<<'JS'
			$(document.body).on("click", "a.toggle-column", function(e) {
			    e.preventDefault();
			    $.post($(this).attr("href"), function(data) {
			        var pjaxId = $(e.target).closest("[data-pjax-container]").attr("id");
			        $.pjax.reload({container:"#" + pjaxId});
			    });
    return false;
});
JS;
			$this->grid->view->registerJs( $js, View::POS_READY, 'pheme-toggle-column' );
		}