<!--



//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="fold.gif"

img2=new Image()

img2.src="open.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("TD")[0]

if (foldercontent.style.display=="none"){

foldercontent.style.display=""

cur.style.listStyleImage="url(open.gif)"

}

else{

foldercontent.style.display="none"

cur.style.listStyleImage="url(fold.gif)"

}

}

}



if (ie4||ns6)

document.onclick=checkcontained



//-->