XP Drop Down Menu is an extremely powerful drop-down menu solution for your web site. In contrast to other drop down menus available in Web, the XP Drop Down Menu can overlap not only HTML contents but also can drop out on top of any frame, form, flash animation and even from the browser window. Due to its highly user-configurability you can fully adopt a menu appearance to fit any XP theme. The menu also supports unlimited number of submenus, javascript calls, target frames and multiple button types. Small, highly performance, and easy-to-use. Java source code is available.