I don't believe so, but if you were able to, it'd probably be a program to disconnect/reconnect instantaniously. I'm not sure how it'd work. Good luck.
i have a totally legal way that involves no computers at all
if you're on a broadband connection like cable, pm me and i'll tell you what i did (it works for me, i dunno if it'll work for you, it's simple as hell and takes a minute to do)