var enablepersist="off" //Enable saving state of content structure using session cookies? (on/off)
 
  var collapseprevious="yes" //Collapse previously open content when opening present? (yes/no)
 
 
 
  if (document.getElementById){
 
  document.write('<style type="text/css">')
 
  document.write('.switchcontent{display:none;border:0px;}')
 
  document.write('</style>')
 
  }
 
 
 
  function getElementbyClass(classname){
 
  ccollect=new Array()
 
  var inc=0
 
  var alltags=document.all? document.all : document.getElementsByTagName("*")
 
  for (i=0; i<alltags.length; i++){
 
  if (alltags[i].className==classname)
 
  ccollect[inc++]=alltags[i]
 
  }
 
  }
 
 
 
  function contractcontent(omit){
 
  var inc=0
 
  while (ccollect[inc]){
 
  if (ccollect[inc].id!=omit)
 
  ccollect[inc].style.display="none"
 
  inc++
 
  }
 
  }
 
 
 
  function expandcontent(cid){
 
  if (typeof ccollect!="undefined"){
 
  if (collapseprevious=="yes")
 
  contractcontent(cid)
 
  document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
 
  }
 
  }
 
 
 
  function revivecontent(){
 
  contractcontent("omitnothing")
 
  selectedItem=getselectedItem()
 
  selectedComponents=selectedItem.split("|")
 
  for (i=0; i<selectedComponents.length-1; i++)
 
  document.getElementById(selectedComponents[i]).style.display="block"
 
  }
 
 
 
  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;
 
  }
 
 
 
  function getselectedItem(){
 
  if (get_cookie(window.location.pathname) != ""){
 
  selectedItem=get_cookie(window.location.pathname)
 
  return selectedItem
 
  }
 
  else
 
  return ""
 
}
 
 
 
  function saveswitchstate(){
 
  var inc=0, selectedItem=""
 
  while (ccollect[inc]){
 
  if (ccollect[inc].style.display=="block")
 
  selectedItem+=ccollect[inc].id+"|"
 
  inc++
 
  }
 
 
 
  document.cookie=window.location.pathname+"="+selectedItem
 
  }
 
 
 
  function do_onload(){
 
  getElementbyClass("switchcontent")
 
  if (enablepersist=="on" && typeof ccollect!="undefined")
 
  revivecontent()
 
  }
 
 
 
 
 
  if (window.addEventListener)
 
  window.addEventListener("load", do_onload, false)
 
  else if (window.attachEvent)
 
  window.attachEvent("onload", do_onload)
 
  else if (document.getElementById)
 
  window.onload=do_onload
 
 
 
  if (enablepersist=="on" && document.getElementById)
 
  window.onunload=saveswitchstate