Damn. Aside from the bizarre idea of a dog coming thru plate glass, I have to wonder about dogs that do this to their owners!
Another friend of ours had a pit bull that tried to jump his back yard fence to attack a neighbor. I say "had", because the dog impaled himself on the top of a fence stake and died. Our friends love these dogs, but I don't want one. I've gone on walks around the neighborhood with a neighbor and his pit bull. Obeys every command, sit, stay, come, etc., absolutely quiet never barks; most obedient dog I ever saw. But he always keeps the dog muzzled and on a leash. He knows something I don't know.