Many sites place an HTML version of menu navigation at the bottom of the screen.
I would use CSS, with links, and title tags.
Not tested.
You could also look into 'sprites' - placing all the navigation images in a single image (like a bar), then adjust the offset point.
http://css-tricks.com/css-sprites-wh...w-to-use-them/
http://www.askapache.com/css/css-bac...ge-sprite.html