<!--

//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:none";
//img1 = new Image();
//img1.src = "folderClosed.gif";
//img2 = new Image();
//img2.src = "DefaultDocument.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(folderOpen.gif)";
		}	else {
			foldercontent.style.display = "none";
			cur.style.listStyleImage = "url(folderClosed.gif)";
		}
	}
}

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

//-->