Dragging and dropping to order items in Javascript

[1]http://www.isocra.com/2007/07/dragging-and-dropping-table-rows-in-javascript/

[2]http://www.stillnetstudios.com/2006/12/31/drag-and-drop-sort-order-with-scriptaculous/

[3]http://tool-man.org/examples/index.html