Yes! You must have found the article! Cheers, Richard B. Johnson Book: http://www.AbominableFirebug.com/ ----- Original Message ----- From: "Sid Schweiger" <sid at wrko.com> Is this the one invented by Professor I. Lirpa? Sid Schweiger IT Manager, Entercom New England 20 Guest St / 3d Floor Brighton MA 02135-2040