JavaScript Move Element by Draging
see: https://stackoverflow.com/questions/6230834/html5-drag-and-drop-anywhere-on-the-screen
but you also need to set -webkit-user-drag: element; to the element.
see: https://stackoverflow.com/questions/6230834/html5-drag-and-drop-anywhere-on-the-screen
but you also need to set -webkit-user-drag: element; to the element.