We've had various forms of discussions regarding what's appropriate for posting to this bboard, but WHATEVER the concensus arrived at was, posting costs and providing a sales incentive pitch IS INAPPROPRIATE. Post it on a Commercial net, not this one... Joe Leonard Computational Chemist Stardent Computer jle at.at stardent.com P.S. Yes, I've been zinged in the past for what seemed too much like marketing, but this one makes my worst look rather good...