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;}')
 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
 if (enablepersist=="on" && document.getElementById)
 window.onunload=saveswitchstate