c903, It's 1 o'clock again. Have finally figured out what is going on here. I think I understand and it isn't as complex today. You seem to have lightened up a little. I would bet that you are a pretty eloquent speaker. I think huntingbry did a pretty good job of enlightening me on the subject too. Still very interesting. terry<img src=icon_smile_clown.gif border=0 align=middle>

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