Invest in a paging alarm and a baseball bat... I spent 750CAD on my alarm... it's amazing and over priced, but the install is flawless... all wrapped, soldered and heatshrunk. Ever connection.
Anyways, sorry to hear about it... there is a plate that by buddies and I are working on, that blocks the assembly... cant get in with a slim jim... breaking the window is one of the only ways...
;-)