trList = ["treeMenu1","treeMenu2","treeMenu3","treeMenu4"];
function exMenu(tName)
{
for (i=0; i<trList.length; i++) {
if(tName != trList[i])document.getElementById(trList[i]).style.display = "block";
}
tMenu = document.getElementById(tName).style;
if (tMenu.display == 'none') tMenu.display = "block"; else tMenu.display = "none";
}

trList = ["treeMenuSingle"];
function exMenu(tName)
{
tMenu = document.getElementById(tName).style;
if (tMenu.display == 'none') tMenu.display = "block"; else tMenu.display = "none";
}

function treeView(id) {
	var obj=document.getElementById(id);
	obj.style.display=(obj.style.display!='block')?'block':'block';
	var divgroup=document.getElementsByTagName("div");
	for(var i=0;i<divgroup.length;i++){
		if(divgroup[i].className=="innerFirst" && divgroup[i].id!=id) divgroup[i].style.display='none';
	}
}

/*
subListA = ["subMenuA_1","subMenuA_2","subMenuA_3"];
function exMenuA(tNameA)
{
for (i=0; i<subListA.length; i++) {
if(tNameA != subListA[i])document.getElementById(subListA[i]).style.display = "none";

}


subMenuA = document.getElementById(tNameA).style;
if (subMenuA.display == 'none') subMenuA.display = "block";
else subMenuA.display = "none";

if (tMenu.display == 'block') tMenu.display = "block"; else tMenu.display = "none";
}
*/

function subMenu(menu_class,menu_id) {
 var div=document.getElementById(menu_id);
 if (div.style.display == "block") div.style.display="none";
 else {
  var sib=div.parentNode.childNodes;
  for (var i=0; i < sib.length; i++)
   if (sib[i].className == menu_class) sib[i].style.display="none";
  div.style.display="block";
 }
}