<!--

//Smart Folding Menu tree- By Dynamic Drive (rewritten 03/03/02)
//For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
//This credit MUST stay intact for use

var head="display:''"
img1=new Image()
img1.src="/images/fold.gif"
img2=new Image()
img2.src="/images/open.gif"

var ns6=(document.getElementById&&!document.all||window.opera)
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1

function checkcontained(e)
	{
	var iscontained=0
	cur=ns6? e.target : event.srcElement
	i=0
	if (cur.id=="foldheader")
		{
		iscontained=1
		}
	else
		{
		while (ns6&&cur.parentNode||(ie4&&cur.parentElement))
			{
			if (cur.id=="foldheader"||cur.id=="foldinglist")
				{
				iscontained=(cur.id=="foldheader")? 1 : 0
				break
				}
			cur=ns6? cur.parentNode : cur.parentElement
			}
		}

	if (iscontained)
		{
		var foldercontent=ns6? cur.nextSibling.nextSibling : cur.all.tags("UL")[0]

		if (foldercontent.style.display=="none")
			{
			foldercontent.style.display=""
			if(!window.opera)cur.style.listStyleImage="url(/images/open.gif)"
			}
		else
			{
			foldercontent.style.display="none"
			cur.style.listStyleImage="url(/images/fold.gif)"
			}
		}
	}

if (ie4||ns6)
	{
	document.onclick=checkcontained
	}

//-->