Backlight stain on screen

Hey,
I'm doing a quick search about screens that have previously gotten wet, and only a handful of people (actually 1) seem to have my problem (of course it seems that I'm not too talented at searching for things).
I got caught in some horrible downpour on the way from class today, and despite my bookbag's claims to "protect my essentials from the elements," I found that my macbook still got a little wet.
The computer itself works fine now (it was disconnected to begin with in my bookbag, and as soon as I found out it was wet I took out the battery), but there's still a backlit "stain" on the side of the screen that seems to change the screen's brightness intensity wherever it's affected:
Will this go away, or should I take some emergency action and.... cry in a corner?

A used cable can be found at PowerBook Tech. I'm not sure whether they ship internationally, but I think they do.
You could e-mail them and see.
They offer online instructions for dealing with the display cabling:
http://www.powerbooktech.com/knowledge,name-Display-Cabling,type-6.htm
(Note the links at the top of the page on "Things to do first." To me, it looks like a nasty thing to try to do.)
I have links for less expensive technicians here in the U.S., but no knowledge of any discount repair places in the U.K.

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