This very old and long forgotten thread was cruelly dragged back out of the peaceful grave yesterday by an anonymous blow-in who wanted to make a snide remark. That post has been deleted, so it now looks as if it was Terry's fault, which it wasn't; though it's always a good idea to look at the dates on messages. A lot of old discussions get revived by people who wander in via external search engines and who don't understand how this place works; usually there are several other threads on the same subject that contain better information.