function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    // if cookie exists
    if (offset != -1) { 
      offset += search.length
      // set index of beginning of value
      end = document.cookie.indexOf(";", offset);
      // set index of end of cookie value
      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++){
    child_menu[openresults[i]].style.display=''
    document.all[child_menu[openresults[i]].sourceIndex -
1].style.listStyleImage="url(open.gif)"
  }
}

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

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

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