I've got a PHP powered site that involves some form submissions for searches

and when using the browser's 'back' button to return to the search results

page I get the horrible 'Page expired' warning due to the page being created

from variables sent in a form.

I know there is a way to avoid this problem because all search enabled

websites seem to manage to avoid it, but I don't know how.

Can anyone help?

I had thought using sessions would help but it makes no difference. Is this

something that can be avoided with PHP or does it require some client-side



Scott Graham, on behalf of Brian

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