Hello. I recently bought a new macbook keyboard (for the old white macbook 4,1), and I just noticed that it lacks media keys (i.e. play/pause, rewind, and fast forward). Is it possible to bind those functions to unspecialized F keys? (for example, my f8, f9, and f10 have no special functions, so is it possible to specialize them for play, rewind, and ff functions?) Thanks!