okay its not really a big one. I'm making a web site for this company and I would like to do one thing with the help of JAVA i guess. so here we go Java gurus:

You know how when you bring your mouse to a link called for example "Contact Us", when we bring our mouse on it, it automatically drops another menu, and you can select other option listed within "Conatct Us". the way microsoft.com has it on their front page. Any code or idea would be apprciated. thanks....