Please help!

I am currently taking an advanced web design class and I am trying to give the appearence of my navigation like its in 3d space. So when the mouse moves up the movieclips will scale up and when the mouse moves down the objects scale down and tint to white as if it is receding in space. How can I achieve this? Here is a link that is somewhat similar to what I am trying to achieve but the navigation isnt like how I described but the user experiance is the same (in terms of how you mouse controls the content

http://www.chromazone-imaging.co.uk

Any help with code would be HUGELY appreciated as I am swamped in trying to figure this out. Thanks