/**
  * add other wp menu page created by this module
  * @param $page_slug
  * @param $parent_box_id
  * @param bool $is_submenu
  */
 protected function other_wp_menus_page($slugs, $parent_box_id = '', $is_submenu = false)
 {
     $parent =& $this->get_main_menu_box();
     //main module menu box
     if ($parent_box_id == '') {
         $parent_box_id = $parent['id'];
     }
     #$args = func_get_args();
     foreach ((array) $slugs as $page_slug) {
         HW_Module_Settings_page::other_menu_page($this->option('module_name'), array('slug' => $page_slug, 'parent_box' => $parent_box_id), $is_submenu);
     }
     $this->migrate_submenus_module_box($parent_box_id);
 }