Can I connect my wii to a portibal LCD screen?

I’m going away this christmas and I would very much like to bring my wii, but I don’t think I’m gona get a chance to use the TV there.

I have a portable screen and it has a little hole on it saying AV-in, does anyone know where I can get a cable that.. well you know the scart lead the you put into the back of your TV, well I want something that will convert that to an AV-in.