This is a pretty simple one, but it's great. Wait. Every five seconds the background color will change. Make sure to get the entire script.
Please note: This script is being offered in simple text format. When you click to Grab the Script, the text should display. Internet Explorer and AOL users may get a blank page or the script may run and produce the effect. If this happens, choose SAVE AS from the FILE menu and save the blank or compiled page.