In the HTML5 spec it's possible to make elements drag-and-drop-able. This is not new news: the excellent HTML5 Rocks and HTML5 Doctor articles cover it well. However. When you drag a thing, what gets dragged is a "ghost image" of it. See for yourself: drag the green box below, and what you see when you're dragging is a green copy of it. What if you want the "ghost image" to be something other than