In a message dated 7/20/2007 11:31:19 P.M. Eastern Standard Time, pethier at comcast.net writes: You are off by a factor of 2. :-) Please explain. I would have said the same thing. David Lylis 69 TR6 CC26160L 60 TR3A TS74461LO ************************************** Get a sneak peek of the all-new AOL at http://discover.aol.com/memed/aolcom30tour