I have a couple of questions about our park hopper passes from 2003. My first question is.. My daughter was under 9 years old when we bought her pass, what do we need to do to get her pass updated to an adult(she'll be 11) and how much does it cost? Also, we only have one day left on them can we add days to them and is it cheaper than buying only one or two day passes while we're there? thanks!