The YUIAsp.Net Menu control is based on Yahoo! UI Library Menu. The YUIAsp.Net Menu control can be used for a site navigation, either horizontal or vertical. You can add unlimited nested items, you can have different action for each item. You can also use the Menu control as a context menu. A click on one menu item can : execute a client javascript function do a postback redirect using an anchor element(similar to the behaviour of a ASP NET HyperLink)