<!--


var head="display:''"
imgA=new Image()
imgA.src="/shared/images/bhd/plus_sign.gif"
imgB=new Image()
imgB.src="/shared/images/bhd/minus_sign.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(/shared/images/bhd/minus_sign.gif)"
}
else{
foldercontent.style.display="none"
cur.style.listStyleImage="url(/shared/images/bhd/plus_sign.gif)"
}
}
}

if (ie4||ns6)
document.onclick=checkcontained

function expandTree(treeId) {
	var ul = document.getElementById(treeId);
	if (ul == null) { return false; }
	expandCollapseList(ul,nodeOpenClass);
}



//-->