Could somebody give me a hint how to post something that is neatly formatted such that the formatting doesn't get all screwed up when it is digested? Apparently my e-mailer stuck in a few extra carriage-returns that I didn't notice. <sigh> George Booth, Ft. Collins, Colorado (booth at frii_com) Back on-line! New URL! Slightly new look! Same good data! http://www.frii.com/~booth/AquaticConcepts/