code: function(sDDId, sHandleId) {
              if (!this.handleIds[sDDId]) {
                  this.handleIds[sDDId] = {};
              }
              this.handleIds[sDDId][sHandleId] = sHandleId;
          }
docs: Each DragDrop handle element must be registered.  This is done
  automatically when executing DragDrop.setHandleElId()
  @method regHandle
  @param {String} sDDId the DragDrop id this element is a handle for
  @param {String} sHandleId the id of the element that is the drag
  handle
  @static