Mootools Nested Accordion is a plugin of Menu Pro that turn the menu into multi-level accordion menu. It is written in native mootools so you don't have to worry about javascript conflict. The sleek accordion menu features a smooth transition so that the end user can clearly see the next level of navigation that is presented to them. Mootools Nested Accordion is user-friendly and highly flexible menu solution that gives a powerful navigation experience for your and your users. The menu allows you to expand or collapse different levels of submenus with accordion effect which gives you a real hierarchical structure. Such accordion menus practically are expandable whenever needed, you can really save some space and show a lot of information within the menu.