Swapping images with a mouseover. This also displays textual descriptions and can put a message in the status bar.
Move your mouse over an image to see the description. Works on IE 4+, Netscape 3+ and newer, Firefox, Mozilla, and Opera.
This example does several tricks. It preloads images for a faster button-switching experience. It switches images to make the buttons look pressed. It switches images to put an image-based description between the buttons. It changes the text in the box for a text-based description. It also writes a description to the window's statusbar.