+
+Lightbox.prototype.enableDDOrdering = function() {
+ addListener(this.grid, 'dragstart', this._DDOrderingListeners.dragstart);
+ addListener(this.grid, 'dragover', this._DDOrderingListeners.dragover);
+ addListener(this.grid, 'dragend', this._DDOrderingListeners.dragend);
+};
+
+Lightbox.prototype.disableDDOrdering = function() {
+ removeListener(this.grid, 'dragstart', this._DDOrderingListeners.dragstart);
+ removeListener(this.grid, 'dragover', this._DDOrderingListeners.dragover);
+ removeListener(this.grid, 'dragend', this._DDOrderingListeners.dragend);
+};
+