Wow, that sucks! I used to always be worried someone was going to steal my doors. I never put the nuts on the hinges, so all you had to do is lift the door up and it was off.
And, thanks to my friends, just about everyday when I was in highschool my doors would be somewhere besides where they were supposed to be on my Jeep. It would suck when I'd be walking down the halls and there would be one of my doors just sitting there. Or I'd see it in another class room...or some other odd place.