I'm well-aware of what the headers are for, but you can construct expiry headers that match the last-modified header.
If I do that the Expiry: header will be in the past and the page will be considered expired.
-- Richard Heyes +44 (0)800 0213 172 http://www.websupportsolutions.co.uk Knowledge Base and HelpDesk software that can cut the cost of online support -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php