A little off topic, sorry, but since you bring it up: I used to lose posts fairly often to browser crashes, unexpected logouts, etc. The Firefox that I use now, however, usually manages to save my text no matter what, unless I panic and throw it away myself.

A couple of times I've even come back online after a power outage and been able to retrieve the post I'd been writing. If I find myself looking at a blank text box, what will sometimes bring my post back good as new is clicking the Edit > Undo command.

I don't know which browsers have this feature. My old Netscape certainly didn't.