Hi there That looks very interesting, but can I make suggestion? Don't call it "should". That simply means no-one will ever be able to find it using a search engine. :-) -- Cheers Jason Haar Information Security Manager, Trimble Navigation Ltd. Phone: +1 408 481 8171 PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1