If you haven't updated your iPhone or iPad with yesterday's iOS release, you should do it now. The fix is for something pretty nasty. Also, this is why you use braces in all if statements. [www.imperialviolet.org]
@keita i would let them be (and if you have more money in that account or can buy more, do so) then deposit them to another exchange. I hear good things about BTC-E, Bitstamp, Bitfinex, Kraken, et al.