You set up variable in the form that is changed via the interactivechange event of check box. Initialize the var as 0, then have it chaged to another value via the interactivechange event.

You might even beable to add a custom property to the checkbox, but I'm not sure on what all is involved with that.

-Preston
>I would like to know if a check box has been accessed by the user, independently of its actual value, I need to know if he has passed over it or if he has touched it in any way, regardless of its current value. Any ideas?
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>Thanks