PHP, Javascript, and Forms

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Hi,

I have a form with about 20 fields in it and have two drop down menus in
which the second one changes depending on the previous one. This is done
with a javascript which reloads the page.

The problem with this is that everything the user has put in so far gets
erased when the page reloads. I am using PHP sessions, but at this point
these fields are not saved yet.

Is there a way to do this using sessions, or some other PHP function. All
the javascript I've looked at reloads the page.

This also screws up my validation routines.

Thanks

B

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