Original poster: "Christopher Boden by way of Terry Fritz <twftesla-at-qwest-dot-net>" <chrisboden-at-hotmail-dot-com> An old photographic timer would be perfect :) Or a surplus TDR (Time Delay Relay), it's what we use for such things. Christopher "Duck" Boden Geek#1 President / C.E.O. / Alpha Geek The Geek Group www.thegeekgroup-dot-org Because the Geek shall inherit the Earth!