okay so this is my problem: I got an Xbox360 but I dont have LIVE yet. To get LIVE I need a cord that can reach my modem which is at&t 2WIRE that is greater than 50 ft but less than 75 ft. I was wondering on what cord I should buy that is less than 20 american dollars? Please help me I really need to know before I buy something that doesnt work. Here are two I found already but am not sure if they will work: