>Does this mean it now worked?<

Yes !

> If it does, I have no idea why that would have made a difference, unless there was other code called somewhere, or you had a UDF that used the variable X without declaring it LOCAL or something.<

I have no idea either. There is no other code called, no UDF, and the X and other variables were declared specifically for this piece. I don't expect you to stay on this trail . . .thanks again for your help. We should have some interesting conversations around here in the morning.