var head="display:''"
			img1=new Image()
			img1.src="/images/arrow.gif"
			img2=new Image()
			img2.src="/images/MiddleCrossLine.gif"

			var ns6=document.getElementById&&!document.all
			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=""				
				cur.style.listStyleImage="url(/images/arrow_down.gif)"
				}
			else
			{
				foldercontent.style.display="none"
				cur.style.listStyleImage="url(/images/arrow.gif)"
			}
			}
			}

			if (ie4||ns6)
			document.onclick=checkcontained