Hi,
I've got a form with a load of checkboxes on it and I want to submit a value which will depend on the selections made in the checkboxes.
I've written a javascript function to change the value of a hidden input box. The value of that input box will be submitted.

Trouble is it's always undefined.
In my javascript function I've got
document.nameofdocument.nameofinputbox.value=="3"
If I do
alert(document.nameofdocument.nameofinputbox.value) from within the function it gives a message saying 3.

But when I submit the form the value is undefined.

Has anyone got any idea what is going wrong here please?


Phil.