2.1 version of the multi level menu is release and have some great performance improvements but also allows you the search trough your menu.
2.1 Release notes: New functions: - Filter Search options to limit the list. - Scroll in sub menu (that does not have a sub menu) - Default caption in the xml for translatable strings.
Fixes: - Inline-block button and menu button (Will wrap when with is to long.) - Moved menu to div in body, so it can overlap pop ups and control bars (thanks to Joost Stapersma)
2.0 Release notes: - Big Performance improvements - Compete splitting datasource file - 2 templates for; button and split button - If button click mf render as Split Button else as normal Button - Split widget into data source and widget file - Timer to close menu on leave