CSS Library: Horizontal CSS Menus: Here
Vista Aero Buttons Menu
Author: Dynamic Drive
This menu consists of a row of independent, Vista aero looking CSS buttons, and departs from the typical list based menu structure. Each button appears initially faded out slightly via CSS opacity, then brought back to full opacity during the "hover" state. The caveat for this menu is the fixed height of each button based on the graphic interface, hence isn't ideal if the buttons' font size is changed from the default.
The two images used: