On Tue, 5 Aug 2003, Cormack, Ken wrote: > David, would you happen to know the link of which we speak? http://www.roaringpenguin.com/dastardly.html I didn't come up with this; it was (AFAIK) originally proposed by John Graham-Cumming. He has a ton more at http://www.jgc.org/tsc/ -- David.