<!--

//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();
img2=new Image();
img1.src=ImageRoot + "/plus.gif";
img2.src=ImageRoot + "/minus.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 {
		var ncur = cur.getElementsByTagName("LI")[0];
		if(ncur != null) cur = ncur;
		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 : cur.all.tags("UL")[0];
		if (foldercontent.style.display=="none"){
			foldercontent.style.display="";
			cur.style.listStyleImage="url("+ImageRoot +"/minus.gif)";
		} else {
			foldercontent.style.display="none";
			cur.style.listStyleImage="url("+ImageRoot+"/plus.gif)";
		}
	}
}

if (ie4||ns6)
	document.onclick=checkcontained;

//-->