Thanks Chuck and this was way too easy :)
if (isNaN(document.ScheduleChanges.providerID.value)) {
allOk = false;
errorString += "\n- Provider Id must be numeric";
}
Bob
>Bob,
>
>I would use IsNaN() javascript function. It is very basic. If you need
>to verify more than that you can move in to Regular Expression.
>
>Here is a link that describes this function.
>
>http://www.w3schools.com/jsref/jsref_isNaN.asp
>
>
>Chuck
>b
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