Definitely your orders should have been frozen. I hope you didn't lose a lot.
If you did memtingale your way out of it.

(And just being a smart-ass)
Orders are frozen until the account is unlocked then orders are made active automatically before you log in.
It means I will miss several bounces, fortunately only some of my funds are in mtgox

I worded that poorly. I understand the trades were locked when the account was frozen. I meant the trades were still frozen when you got use of the account again. Better wording would have been the trades should be deleted before your account was made active again.