code: function(id) {
              for (var i in this.ids) {
                  if (this.ids[i][id]) {
                      return this.ids[i][id];
                  }
              }
              return null;
          }
docs: Returns the DragDrop instance for a given id
  @method getDDById
  @param {String} id the id of the DragDrop object
  @return {DragDrop} the drag drop object, null if it is not found
  @static