MacBook Pro :: Shortcut To Switch To 9600M Graphics Card?

I like to keep my laptop cool, so I usually run on the integrated 9400 graphics chip. But lately I've been finding myself playing a lot of games on my unibody mbp. However, it gets kind of tedious to have to continually switch over to the "better performance" 9600M option in energy saver. Instead of opening energy saver, clicking "better performance" and then restarting, is there a simple applescript or shortcut I can just double click that will do all this for me? I'd like to just place that script on the desktop and call it "play games" or something." I know it's a small inconvenience, but does anyone have a solution? Or can anyone make a simple automator or applescript to handle this?