That link is either dead or does not lead to its original source when I linked to it. If you want to try it then be very careful! Most of the time you end up with a “page not found”, “server not found” or someone trying to sell you the domain name, but you can also end up in some very bad, dangerous and unsuitable places.
http://www.sci.mus.mn.us/sln/tf/c/crosssection/namethatbar.html