Try the onBlur or onChange events for each box.

At 17:42 03/04/02 +0000, you wrote:
>I have a form with 20 rows of text boxes each with a different field
>name.  The user can enter any number value into the text boxes.  I want a
>text box at the bottom which automatically totals up all the values as
>they are typed in within the 20 textboxes.  Is there simple javascript
>that can do this?  Thanks.
>
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