code: public void setSelectedItem(MusicElement elmnt) {
  		JScoreElement r = null;
  		if (elmnt!=null)
  			//r = (JScoreElementAbstract)m_jTune.getRenditionObjectsMapping().get(elmnt);
  			r = m_jTune.getRenditionObjectFor(elmnt);
  		//if (r!=null)
  		//	System.out.println("Selecting item " + elmnt + "->" + r + "@" + r.getBase());
  		setSelectedItem(r);
  	}
docs: Highlights the given score element in the score.
  If an item was previously selected, this previous item
  is unselected.
  @param elmnt The music element to be highlighted in the
  score. <TT>null</TT> can be specified to remove
  highlighting.
  @see #setSelectedItem(JScoreElement)