Getting Invalid_session errors? Tired of losing your posts over it? Then try

Session Check On - Off
Created by Basilis
http://www.kraksimo.com
e-mail:bill.nuke@btriad.gr

and tweaked by me. This hack/module allows you to selectively choose users who are receiving the error (like AOL users and corporate users behind a firewall). Download the SessionCheckOnOff zip from the download area.