Yet again, please can anyone point me in the right direction. I have an asp page which has numerous check boxes on, all of which have a numeric value. I want a total value on the page to recalculate itself each time a user either checks or unchecks one of the boxes depending on the checkbox value.... if that makes sense. I guess I would have to submit the page as a form and refer back to itself with the ammended value but am not sure if that's the correct way to do it.