var ns6=document.getElementById&&!document.all?1:0
var head="display:''"
var folder=''
var fname=''

function expandit(curobj){
folder=ns6?curobj.nextSibling.nextSibling.style:document.all[curobj.sourceIndex+1].style
if (folder.display=="none")
folder.display=""
else
folder.display="none"
}


function imgchange(imgname, which) {

if (document.all&&document.all.to)
var pod1=document.all.to
if (pod1.length==null)
pod1[0]=document.all.to

if (folder.display=="none") {
fname = "./images/icon/arrow_marker.gif"
pod1[which].style.fontWeight='normal'
} else {
fname = "./images/icon/arrow_marker_down.gif"
pod1[which].style.fontWeight='bold' }

document.all(imgname).src = fname
}