Default App to use GPS-enabled Pocket PC as GPS mouse for laptop?

I've got a HTC Kaiser, which has GPS, and works great. Is there any kind of app or utility to let me tether it to my laptop (via USB or bluetooth), and let the laptop make use of the GPS, to run nav software, etc., on the laptop? (EEE Laptop is running XP.)

Maybe somebody has fun to develop such a free App?