public void hideScroller() {
   selUI.hideMyScrollerButtons(TAG);
 }
 public void resetScroller() {
   if (TAG.equals(selUI.getButtonsId()))
     if (lt != null) showScroller(lt);
     else showScroller(lts);
 }
 public void showScroller(List<? extends Humanoid> lts) {
   List<? extends SButton> buttons = determineIfAndWhatToDisplay(lts);
   if (buttons != null) selUI.displayTheseInRightScroller(buttons, TAG);
 }