//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()
img1.src="http://www.vaknlp.com/vak00212.gif"
img2=new Image()
img2.src="http://www.vaknlp.com/vak00210.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(http://www.vaknlp.com/vak00210.gif)"
        }
        else{
            foldercontent.style.display="none"
            cur.style.listStyleImage="url(http://www.vaknlp.com/vak00212.gif)"
        }
    }
}

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