<!--
function tx_mhtreeview_toggle(val) {
	var a = document.getElementById("tx_mhtreeview-lvl" + val);
	var b = document.getElementById("tx_mhtreeview_toggleImg" + val);

  if (a.style.display != 'none') {
  		a.style.display = 'none';
      b.src = 'typo3conf/ext/mh_treeview/res/plus.gif';
  } else {
  		a.style.display = 'block';
  		b.src = 'typo3conf/ext/mh_treeview/res/minus.gif';
  }
}
-->