Drag and drop events
From MDC
This article covers features introduced in Firefox 3
Firefox 3 adds two new events that allow you to determine when drag operations begin and end. These events are new in the current working draft of the HTML 5 specification.
drag- Sent when a drag operation begins.
dragend- Sent when a drag operation ends.
For more information about drag and drop, see the article Drag and Drop.
You can see an example of these events in action here: