Philip, I guess we like spinning our wheels then. Cause we're sure doing a lot of fathoming on this site, we are! Gary > Ours is to take His word, not necessarily fathom the science of it... Philip. -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.6 - Release Date: 2/7/05