//By George Chiang (www.wsabstract.com) JavaScript site.
//img1=new Image()
//img1.src="/shared/img/list_arrow.gif"
//img2=new Image()
//img2.src="/shared/img/list_arrow_down.gif"
ns6_index=0
function change(e){
if(!document.all&&!document.getElementById)
return
if (!document.all&&document.getElementById)
ns6_index=1
var source=document.getElementById&&!document.all? e.target:event.srcElement
if (source.className=="folding"){
var source2=document.getElementById&&!document.all? source.parentNode.childNodes:source.parentElement.all
if (source2[2+ns6_index].style.display=="none"){
source2[0].src="/shared/img/list_tree_close.gif"
source2[2+ns6_index].style.display=''
}
else{
source2[0].src="/shared/img/list_tree_open.gif"
source2[2+ns6_index].style.display="none"
}
}
}
document.onclick=change