Hi Eagle Foot,
I'm new to the forum, but computers and web design are actually my part time job as a small potatoes hosting provider. :-)
What you are looking at on the site mentioned used to be called a hover button or a mouseover. Basically meaning that you see one image and as soon as your mouse is over the image it changes for another identical image that has a "light on it".
You can actually create rudimentary hover buttons in fpage by clicking the following series in the menu:
Insert
Web Component
Hover Button
That's the "old school" way of doing it, and it