hello i have a 42" sony hdtv lcd and i want to connect my xbox 360 and my directv hd satellite receiver and my other hd satellite to the tv. the problem is my tv has only 1 dvi port and 1 of the other hd ports(the one with the four wires). so i hook my xbox 360 and dtv but then i can not hook up my other satellite which is hd. So can anyone help me?????? thanks