Yeah, I'll buy one if I have to. The only thing is that I have a slim PS2, and it has two cords. One is an 8 volt adapter box thingy that plugs into the PS2, and the other one plugs the adapter into the outlet. That's the one I'm missing, so hopefully they're sold separately.
And couldn't you just go on BoySetsFire instead of your GB name?
And I just had an idea. If I can't find the cord, my cousin has a fat PS2 with the network adapter, so could just borrow that for the weekend. He has a PS3 anyway, so he won't be needing it.