How do I make my Xbox 360 wireless using a wireless network and a router instead of the expensive Xbox adapter?

I have an Xbox 360 and wireless internet in my building. I do have a Linksys braodband router to use to make my Xbox wireless instead of buying the expensive.

var:http://question.bz/2011/02/how-do-i-make-my-xbox-360-wireless-using-a-wireless-network-and-a-router-instead-of-the-expensive-xbox-adapter/