code: function expandToItem(treeId,itemId) {
  	var ul = document.getElementById(treeId);
  	if (ul == null) { return false; }
  	var ret = expandCollapseList(ul,nodeOpenClass,itemId);
  	if (ret) {
  		var o = document.getElementById(itemId);
  		if (o.scrollIntoView) {
  			o.scrollIntoView(false);
  		}
  	}
  }
docs: Expands enough nodes to expose an LI with a given ID