Xbox360 and my Laptop? Answered

Okay i have tried this many of time in a variety of ways i've spent nearly all day searching for how to connect my xbox to my computer so that way i can use it as a wifi adapter  but every time I come across one of these guides it says to bridge a connection so when i do that it turns my wifi off when i go into the  bridge and when i try to connect back to it it says im connected but then it say no connection at my available networks and im all like WTF! and every time it does that  when i bridge connections and i have a windows XP computer. So please help me out I want to get on Live by tonight if not tomorrow.