var head="display:''"
img1=new Image()
img1.src="../../images/plus.jpg"
img2=new Image()
img2.src="../../images/minus.jpg"

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/minus.jpg)"
	}
	else {
		foldercontent.style.display="none"
		cur.style.listStyleImage="url(../../images/plus.jpg)"
	}
}
}

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