Oh well,
i am facing the same problem
http://forum.bitcoin.org/index.php?topic=25592.0

I hope it is a problem in their script of the site , i don't think they would steal ( for theirs reputations sake ).
I hope it is not a hack, lets watch our blocks at block explorer and see what happens :S

Edit : Another topic about this :
http://forum.bitcoin.org/index.php?topic=25590.0