So, I've kind of made a thread about this already, but I figured it wasn't really clear. Anyways, I've read in the little booklet that for the best performance, you should fully charge it. And it says about four hours. So I wanted to know if I put it for charge now, and I'd go to work, but it would keep on charging past four hours, like eight...would it have any "bad" effects for the iPod? Or does it not make any difference how long you let it charge, even though it's fully charged. Hope my question makes sense...thanks in advance!