a) why the sub-object here? does it add anything? (honest question, if there's a good reason we can keep it, but I didn't immediately see it)
b) is this the most useless comment ever? ;-) :-) Why don't we just pull stuff in to separate files/objects rather than using comments to try to split one object in to several? If we're worried about performance we can pre-process and minify, let's not make our code a mess just because javascript