function toggleDisp(nodeid) {
	
  if(nodeid.substr(0,9) == 'setupItem')
  	nodeid = nodeid.substr(9);
	layer = document.getElementById('treeElement' + nodeid);
  if(layer.style.display == 'none') {
    layer.style.display = 'block';
    if(document.getElementById('setupItem' + nodeid))
      document.getElementById('setupItem' + nodeid).style.display = 'block';
  } else {
    layer.style.display = 'none';
    if(document.getElementById('setupItem' + nodeid))
      document.getElementById('setupItem' + nodeid).style.display = 'none';
  }
  
}