In Ohio the castle doctrine also applies to vehicles. The moment they enter your vehicle, whether it be an arm, a foot, or head just through the window, you are justified in protecting yourself.
edit, frank beat me to it.
Set up a vpn on your home computer, and connect to it using your work computer. This will allow you to use your home connection while at work. Your home computer will need to be running in order for this to work.
I do this to play diablo 3 at work sometimes.
http://www.sevenforums.com/tutorials/4517-virtual-private-network-vpn-enable-incoming-vpn-connections.html
Also, try http://www.anype.com first.