public static function add_sidebar_page()
 {
     $obj = new TMM_Custom_Sidebars();
     $sidebar_id = $_REQUEST['sidebar_id'];
     $page_id = $_REQUEST['page_id'];
     $data = array();
     $data['select'] = $obj->get_pages_select('', "sidebars[" . $sidebar_id . "][page][" . $page_id . "]", "sidebars_page_" . $sidebar_id);
     echo TMM::draw_html('custom_sidebars/add_sidebar_page', $data);
     exit;
 }