CSS Library: Horizontal CSS Menus: Here
Glowing Tabs Menu
Author: Dynamic Drive
Glowing Tabs Menu uses a background image that accentuates the outline of the tabs. And to jazz it up, the selected tab "glows", by using the "Sliding Doors" technique to shift the original background image upwards to reveal the glowing version of the tab design. An exquisite yet professional looking horizontal menu.
The two image used: