• Couldn't work out if it was a trick question or not - decided it wasn't

    Thanks for the point and the question Ron

    -------------------------------Posting Data Etiquette - Jeff Moden [/url]Smart way to ask a question
    There are naive questions, tedious questions, ill-phrased questions, questions put after inadequate self-criticism. But every question is a cry to understand (the world). There is no such thing as a dumb question. ― Carl Sagan
    I would never join a club that would allow me as a member - Groucho Marx