/*
Expandable Listmenu Script
Author : Daniel Nolan
http://www.bleedingego.co.uk/webdev.php
*/

function initMenus() {
if (!document.getElementsByTagName) return;

var aMenus = document.getElementsByTagName("LI");
for (var i = 0; i < aMenus.length; i++) {
var mclass = aMenus[i].className;
if (mclass.indexOf("treenode") > -1) {
var submenu = aMenus[i].childNodes;
for (var j = 0; j < submenu.length; j++) {
if (submenu[j].tagName == "A") {

submenu[j].onclick = function() 
{
var node = this.nextSibling;

while (1) {
if (node != null) 
{
	if (node.tagName == "UL") 
	{
		var d = (node.style.display == "none");
		node.style.display = (d) ? "block" : "none";
		this.className = (d) ? "treeopen" : "treeclosed";
		return false;
	}
	node = node.nextSibling;
} 
else 
{
return false;
}
}
return false;
}

submenu[j].className = (mclass.indexOf("open") > -1) ? "treeopen" : "treeclosed";
}

if (submenu[j].tagName == "UL")
submenu[j].style.display = (mclass.indexOf("open") > -1) ? "block" : "none";
}
}
}
}

window.onload = initMenus;