Not sure if it's posted or not but if it's OFN then lock/move whatever that is necessary.

http://www.youtube.com/watch?v=fJuNgBkloFE

Found the video on this site where it listed the top 10 pranks for April fools this year. And here is the site...
http://www.thethinkingblog.com/2007/...anks-2007.html