Drag and Drop, Orderable List in ActionScript 3

I am trying to create a set of drag-and-drop, orderable lists with ActionScript. I know this is possible in Flex.

The behavior I am going for can开发者_Go百科 be seen here: Two-way drag-and drop support (you'll have to scroll down)

Here is the source code

Does something like this already exist in AS? Can I use the Flex component in Flash?

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This seems to be close enough. ^_^