> I would like to ask one question though. In the isnull.cfm script, in
> the return evaluate(myvar); line what exactly does the evaluate()
> function do in this case?

Evaluate() does something similar to what eval() in _javascript_ does- evaluates an _expression_ as a variable and returns the value of the evaluated _expression_. For example, evaluate("form.size" & i & "qty), where i=5, would return the value of form.size5qty.

> Thanks for you help, I always learn so much from this list.

Glad to help.

Rob
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