I can't imagine anyone that hasn't heard this old white bearded chestnut, but I'll whop it out anyways... The difference between an optimist, a pessimist and an engineer? Optimist - Glass is half full Pessimist - Glass is half Empty Engineer - Glass is twice as big as it needs to be.=20 Forgive me. It's a hot afternoon in Florida and it's too early (and too hot= ) to go sit on my porch and drink my beer ration.=20 Bob Chadwick Lurker since 1997 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .