I don't recall ever seeing it in the wild, but I remember it as a JS script you could add to your site from a page that I think was http://www.dynamicdrive.com/

I don't recall ever seeing it in the wild, but I remember it as a JS script you could add to your site from a page that I think was http://www.dynamicdrive.com/ http://www.dynamicdrive.com/ I may have played around with it on a couple of HTML pages written in Notepad way back.