> onchange="window.document.ExpenseForm.TotalAmount#Line#.value=eval
> (window.document.ExpenseForm.Mileage#Line#)+eval(window.document.
> ExpenseForm.CostOfMeals#Line#);"
Add ".value" to the end of the 2 fields you're trying to add, as in:
...=eval(window.document.ExpenseForm.Mileage#Line#.value)+...
^^^^^^
BTW, why are you using "eval()?"
--
Mosh Teitelbaum
evoch, LLC
Tel: (301) 625-9191
Fax: (301) 933-3651
Email: [EMAIL PROTECTED]
WWW: http://www.evoch.com/
> -----Original Message-----
> From: Thane Sherrington [mailto:[EMAIL PROTECTED]]
> Sent: Monday, September 30, 2002 11:04 AM
> To: CF-Talk
> Subject: Adding two fields and displaying in a third
>
>
> I'm writing a form that allows a person to fill in the mileage and meal
> expense, and then displays the total in a third field. I'm using this in
> the meals expense field:
>
> <input type="Text" name="CostOfMeals#Line#" value="0" validate="float"
> required="Yes" size="5" maxlength="5"
> onchange="window.document.ExpenseForm.TotalAmount#Line#.value=eval
> (window.document.ExpenseForm.Mileage#Line#)+eval(window.document.E
xpenseForm.CostOfMeals#Line#);">
>
> But the third field evaluates to [object][object]. How do I get this to
> add up?
>
> T
>
>
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