I honestly don't know what the rules are here for linking to another forum, but given the amount of time this question has been open, I am going to do so and hope you get this resolved.
Take a look at this thread over on the Microsoft Community Forums -
If you go to Page 2 of the replies, there is a response from captainu replied on February 1, 2010 that details a possible workaround for you.
Then on Page 3 of the replies, there is a response from skariks replied on September 16, 2010 that details a more complex possible solution.
I hope this helps you out!