var enablepersist="on" //Enable saving state of content structure? (on/off)
if (document.getElementById)
{
document.write('<style type="text/css">')
document.write('.switchcontent{display:none;width:400px}')
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")
  {
   contractcontent(cid)
   document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
   selectedItem=cid+"|"+document.getElementById(cid).style.display
  }
}

function revivecontent() 
{
  selectedItem=getselectedItem()
  selectedComponents=selectedItem.split("|")
  contractcontent(selectedComponents[0])
  document.getElementById(selectedComponents[0]).style.display=selectedComponents[1]
}

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() 
{
  if (typeof selectedItem!="undefined")
  document.cookie=window.location.pathname+"="+selectedItem
}

function do_onload()
{
  getElementbyClass("switchcontent")
  if (enablepersist=="on" && getselectedItem()!="")
  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