Account unavailable due to site maintenance on facebook?

thats what it says when i try to log onto my account, but then i can log on to my girlfriends account just fine, i would think that it would be a regional thing, why would only my account not work?|||They do it on a certain range of account IDs at a time - my best guess is they do it in chronological order of the ID numbers, meaning they go from the oldest to newest accounts.|||Try a little later and it should work. :)