var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off) 
var collapseprevious="no" //Collapse previously open content when opening present? (yes/no) 
var contractsymbol='- ' //HTML for contract symbol. For image, use: <img src="whatever.gif"> 
var expandsymbol='+ ' //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