[D-i-Y] Christmas Tree Ornaments that Move with Drag & Drop or Arrow Keypresses
By Adrien-Luc Sanders, About.com Guide
Assign an instance name to each and every ornament that you create. Even if you use duplicates to allow your users to put more than one of a single type of ornament on the tree, make sure to give every one a unique instance name. We’ll be calling these from our ActionScripts, and if any share the same name, it’ll cause slight problems in usability.
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