well yeah! it had to be the horcrux, and Mundungus had to ahve stolen it.

that was the only bit of my theory that was right, the rest was way off...

my mum got all teary over Dobby, I just didn't quite get it. I was fine until Snape, then it all got a bit sad. and when I say a bit I mean more than a bit by a very long way.....