Help with drag and drop from populated array

Hi guys,

I was wondering if you can help me with this problem.
I’m trying to achieve the drag and drop effect featured on this site:
I’ve included the Fla containing my code.
the problem with it is whenever I’m removing the last element of the list to the stage, and return it to the list, it always end up adding a new element, I’m really loosing my mind with this problem.
can somebody give me a hint what I probably missing?..
I use caurina (AS2 version) with this, you might want to download it at this address:

thanx a lot