var head="display:''"

function change(){
  if(!document.all)
    return
  if (event.srcElement.id=="foldheader"){
    var srcIndex = event.srcElement.sourceIndex
    var nested = document.all[srcIndex+1]
    if (nested.style.display=="none"){nested.style.display='';} else {nested.style.display="none";}
  }
}

function get_cookie(Name){
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0){
    offset = document.cookie.indexOf(search)
    if (offset != -1){
      offset += search.length
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      returnvalue=unescape(document.cookie.substring(offset, end))
    }
  }
  return returnvalue;
}

if (get_cookie(window.location.pathname) != ''){
  var openresults=get_cookie(window.location.pathname).split(" ")
  for (i=0 ; i < openresults.length ; i++){
    foldinglist[openresults[i]].style.display=''
  }
}

if (document.all){
  var nodelength=foldinglist.length-1
  var nodes=new Array(nodelength)
  var openones=''
}

function check(){
  for (i=0 ; i <= nodelength ; i++){
    if (foldinglist[i].style.display=='')
       openones=openones + " " + i
  }
  document.cookie=window.location.pathname+"="+openones
}

if (document.all)
  document.body.onunload=check

document.onclick=change