Cleaning a MacBook Pro keyboard that's been covered in juice
You can actually remove the keys, clean them and then replace them again.

Follow this link to see how it's done: http://www.youtube.com/watch?v=jSpPlMdGvVI

The problem with liquid damage is that although the laptop may work fine now, if the juice has got onto the Logic Board, it can cause corrosion over time, which will more than likely cause issues.

However, I do hope this is not the case! Good luck!