MNS, you must understand (and take pity... <img src="/forums/images/graemlins/grin.gif" alt="" />)...huskyrunner and I are geeks and have "the knack". <img src="/forums/images/graemlins/cool.gif" alt="" /> It's a disease acquired at birth.

This will explain everything:
http://www.youtube.com/watch?v=CmYDgncMhXw
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paul, texas KD5IVP