AJAX :: Disposing Drag/drop Objects On Postback?

I have an UpdatePanel that contains several "items" that are in individual divs that are registered as dragdrop objects. I pass the item ID into the object. Everything appears to be working fine until I delete an item/div. The items appear in the correct divs but the ID's are mismatched as if the delete never happened. I know the dispose method is being called for each object. But I don't know how the deleted item ID is still being passed in a drag/drop object that should be re-initialized on every pageLoad. It's difficult to explain but here is some of the relevant code:

Example of generated initializations on postback:

[Code]....