I did some work on another programmer's app earlier this year, and he (hmm... I could start another flame war by emphasizing the "he" couldn't I?) had a BUNCH of 'reverse logic' fields. I spent more time tracking down skinny little "!" characters in the code.........

Barbara
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>Great idea, Barbara. I thought about it too. Still it would not allow me to edit this field, I assume, but it turns, that I don't have to make it edittable.
>I'll try your suggestion.
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>Thanks.