"skmMenu is a free open-source, custom ASP.NET server control that renders a
menu in the client's browser. skmMenu is easy to use and allows for a high
degree of customization.
skmMenu has been tested in ASP.NET Web sites that use the .NET Framework 1.0
and 1.1.
The skmMenu.com Web site contains numerous live examples, online
documentation, and the complete code for the menu control."