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)
  var contractsymbol='&#8250;&nbsp;'     //HTML for contract symbol. For image, use: <img src="whatever.gif">
  var expandsymbol='&#8250;&nbsp;'       //HTML for expand symbol.
 
  if (document.getElementById){
    document.write('<style type="text/css">')
    document.write('.switchcontent{display:none;}')
    document.write('</style>')
  }
 
  function getElementbyClass(rootobj, classname){
    var temparray=new Array();
    var inc=0;
    var rootlength=rootobj.length;
    for (i=0; i<rootlength; i++){
      if (rootobj[i].className==classname)
        temparray[inc++]=rootobj[i];
    }
    return temparray
  }
 
  function sweeptoggle(ec){
    var thestate=(ec=="expand")? "block" : "none"
    var inc=0
    while (ccollect[inc]){
      ccollect[inc].style.display=thestate
      inc++
    }
    revivestatus()
  }
 
  function contractcontent(omit){
    var inc=0
    while (ccollect[inc]){
      if (ccollect[inc].id!=omit)
        ccollect[inc].style.display="none"
      inc++
    }
  }
 
  function expandcontent(curobj, cid){
    var spantags=curobj.getElementsByTagName("SPAN")
    var showstateobj=getElementbyClass(spantags, "showstate")
    if (ccollect.length>0){
        
      if (collapseprevious=="yes")
        contractcontent(cid)
      document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
      if (showstateobj.length>0){                 //if "showstate" span exists in header
        if (collapseprevious=="no")
          showstateobj[0].innerHTML=(document.getElementById(cid).style.display=="block")? contractsymbol : expandsymbol
        else
          revivestatus()
      }
    }
  }
 
  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 revivestatus(){
    var inc=0
    while (statecollect[inc]){
      if (ccollect[inc].style.display=="block")
        statecollect[inc].innerHTML=contractsymbol
      else
        statecollect[inc].innerHTML=expandsymbol
      inc++
    }
  }
 
  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(){
    
    uniqueidn=window.location.pathname+"firsttimeload"
    
    var alltags=document.all? document.all : document.getElementsByTagName("*")
    
    ccollect=getElementbyClass(alltags, "switchcontent")
    
    statecollect=getElementbyClass(alltags, "showstate")
    
    if (enablepersist=="on" && ccollect.length>0){
      document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0" 
      firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load
      if (!firsttimeload)
        revivecontent()
    }
    if (ccollect.length>0 && statecollect.length>0)
      revivestatus()
  }
 /*
  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
*/