Mate in 2, Where's the Queen?

Help me please, I've got this puzzle which has been bugging me for quite some time. Posted it on another Chess forum too, but I'm kind-of in a rush.

Here's a link to the image:

http://img218.imageshack.us/img218/1930/chessa.jpg

1. Qxh7+ Kxh7 (forced)
2. Rh3#

Black queen remains on d8