function switchcontent(className){
this.className=className
this.collapsePrev=false
this.enablePersist=false

this.filter_content_tag=(arguments.length==2)? arguments[1].toLowerCase() : ""
}

switchcontent.prototype.setStatus=function(openHTML, closeHTML){
this.statusOpen=openHTML
this.statusClosed=closeHTML
}

switchcontent.prototype.setColor=function(openColor, closeColor){
this.colorOpen=openColor
this.colorClosed=closeColor
}

switchcontent.prototype.setPersist=function(bool){
this.enablePersist=bool
}

switchcontent.prototype.collapsePrevious=function(bool){
this.collapsePrev=bool
}


switchcontent.prototype.sweepToggle=function(setting){
if (typeof this.headers!="undefined" && this.headers.length>0){
for (var i=0; i<this.headers.length; i++){
if (setting=="expand")
this.expandcontent(this.headers[i])
else if (setting=="contract")
this.contractcontent(this.headers[i])
}
}
}


switchcontent.prototype.defaultExpanded=function(){
var expandedindices=[]

for (var i=0; (!this.collapsePrev && i<arguments.length) || (this.collapsePrev && i==0); i++)
expandedindices[expandedindices.length]=arguments[i]
this.expandedindices=expandedindices.join(",")
}


switchcontent.prototype.togglecolor=function(header, status){
if (typeof this.colorOpen!="undefined")
header.style.color=status
}


switchcontent.prototype.togglestatus=function(header, status){
if (typeof this.statusOpen!="undefined")
header.firstChild.innerHTML=status
}


switchcontent.prototype.contractcontent=function(header){
var innercontent=document.getElementById(header.id.replace("-title", ""))
innercontent.style.display="none"
this.togglestatus(header, this.statusClosed)
this.togglecolor(header, this.colorClosed)
}


switchcontent.prototype.expandcontent=function(header){
var innercontent=document.getElementById(header.id.replace("-title", ""))
innercontent.style.display="block"
this.togglestatus(header, this.statusOpen)
this.togglecolor(header, this.colorOpen)
}


switchcontent.prototype.toggledisplay=function(header){
var innercontent=document.getElementById(header.id.replace("-title", ""))
if (innercontent.style.display=="block")
this.contractcontent(header)
else{
this.expandcontent(header)
if (this.collapsePrev && typeof this.prevHeader!="undefined" && this.prevHeader.id!=header.id)
this.contractcontent(this.prevHeader)
}
if (this.collapsePrev)
this.prevHeader=header
}



switchcontent.prototype.collectElementbyClass=function(classname){
var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)", "i")
this.headers=[], this.innercontents=[]
if (this.filter_content_tag!="")
var allelements=document.getElementsByTagName(this.filter_content_tag)
else
var allelements=document.all? document.all : document.getElementsByTagName("*")
for (var i=0; i<allelements.length; i++){
if (typeof allelements[i].className=="string" && allelements[i].className.search(classnameRE)!=-1){
if (document.getElementById(allelements[i].id+"-title")!=null){ 
this.headers[this.headers.length]=document.getElementById(allelements[i].id+"-title")
this.innercontents[this.innercontents.length]=allelements[i]
}
}
}
}


switchcontent.prototype.init=function(){
var instanceOf=this
this.collectElementbyClass(this.className)
if (this.headers.length==0)
return 

var opencontents_ids=(this.enablePersist && switchcontent.getCookie(this.className)!="")? ','+switchcontent.getCookie(this.className)+',' : (this.expandedindices)? ','+this.expandedindices+',' : ""
for (var i=0; i<this.headers.length; i++){ 
if (typeof this.statusOpen!="undefined")
this.headers[i].innerHTML='<span class="status"></span>'+this.headers[i].innerHTML 
if (opencontents_ids.indexOf(','+i+',')!=-1){ 
this.expandcontent(this.headers[i])
if (this.collapsePrev)
this.prevHeader=this.headers[i]
}
else 
this.contractcontent(this.headers[i]) 
this.headers[i].onclick=function(){instanceOf.toggledisplay(this)}
}
if (this.enablePersist)
switchcontent.dotask(window, function(){instanceOf.rememberpluscleanup()}, "unload") 
}



switchcontent.prototype.rememberpluscleanup=function(){ 
var opencontents=new Array("none")
for (var i=0; i<this.innercontents.length; i++){

if (this.enablePersist && this.innercontents[i].style.display=="block" && (!this.collapsePrev || (this.collapsePrev && opencontents.length<2)))
opencontents[opencontents.length]=i 
this.headers[i].onclick=null 
}
if (opencontents.length>1) 
opencontents.shift() 
if (typeof this.statusOpen!="undefined") 
this.statusOpen=this.statusClosed=null 
switchcontent.setCookie(this.className, opencontents.join(","))
}

switchcontent.dotask=function(target, functionref, tasktype){
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent(tasktype, functionref)
}

switchcontent.getCookie=function(Name){ 
var re=new RegExp(Name+"=[^;]+", "i");
if (document.cookie.match(re))
return document.cookie.match(re)[0].split("=")[1]
return ""
}

switchcontent.setCookie=function(name, value){
document.cookie = name+"="+value
}



/// *** CODE FOR TABBED STATISTICS ***



var enabletabpersistence=1 //enable tab persistence via session only cookies, so selected tab is remembered?

////NO NEED TO EDIT BELOW////////////////////////
var tabcontentIDs=new Object()

function expandcontent(linkobj){
var ulid=linkobj.parentNode.parentNode.id //id of UL element
var ullist=document.getElementById(ulid).getElementsByTagName("li") //get list of LIs corresponding to the tab contents
for (var i=0; i<ullist.length; i++){
ullist[i].className=""  //deselect all tabs
if (typeof tabcontentIDs[ulid][i]!="undefined") //if tab content within this array index exists (exception: More tabs than there are tab contents)
document.getElementById(tabcontentIDs[ulid][i]).style.display="none" //hide all tab contents
}
linkobj.parentNode.className="selected"  //highlight currently clicked on tab
document.getElementById(linkobj.getAttribute("rel")).style.display="block" //expand corresponding tab content
saveselectedtabcontentid(ulid, linkobj.getAttribute("rel"))
}

function expandtab(tabcontentid, tabnumber){ //interface for selecting a tab (plus expand corresponding content)
var thetab=document.getElementById(tabcontentid).getElementsByTagName("a")[tabnumber]
if (thetab.getAttribute("rel"))
expandcontent(thetab)
}

function savetabcontentids(ulid, relattribute){// save ids of tab content divs
if (typeof tabcontentIDs[ulid]=="undefined") //if this array doesn't exist yet
tabcontentIDs[ulid]=new Array()
tabcontentIDs[ulid][tabcontentIDs[ulid].length]=relattribute
}

function saveselectedtabcontentid(ulid, selectedtabid){ //set id of clicked on tab as selected tab id & enter into cookie
if (enabletabpersistence==1) //if persistence feature turned on
setCookie(ulid, selectedtabid)
}

function getullistlinkbyId(ulid, tabcontentid){ //returns a tab link based on the ID of the associated tab content
var ullist=document.getElementById(ulid).getElementsByTagName("li")
for (var i=0; i<ullist.length; i++){
if (ullist[i].getElementsByTagName("a")[0].getAttribute("rel")==tabcontentid){
return ullist[i].getElementsByTagName("a")[0]
break
}
}
}

function initializetabcontent(){
for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
if (enabletabpersistence==0 && getCookie(arguments[i])!="") //clean up cookie if persist=off
setCookie(arguments[i], "")
var clickedontab=getCookie(arguments[i]) //retrieve ID of last clicked on tab from cookie, if any
var ulobj=document.getElementById(arguments[i])
var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
for (var x=0; x<ulist.length; x++){ //loop through each LI element
var ulistlink=ulist[x].getElementsByTagName("a")[0]
if (ulistlink.getAttribute("rel")){
savetabcontentids(arguments[i], ulistlink.getAttribute("rel")) //save id of each tab content as loop runs
ulistlink.onclick=function(){
expandcontent(this)
return false
}
if (ulist[x].className=="selected" && clickedontab=="") //if a tab is set to be selected by default
expandcontent(ulistlink) //auto load currenly selected tab content
}
} //end inner for loop
if (clickedontab!=""){ //if a tab has been previously clicked on per the cookie value
var culistlink=getullistlinkbyId(arguments[i], clickedontab)
if (typeof culistlink!="undefined") //if match found between tabcontent id and rel attribute value
expandcontent(culistlink) //auto load currenly selected tab content
else //else if no match found between tabcontent id and rel attribute value (cookie mis-association)
expandcontent(ulist[0].getElementsByTagName("a")[0]) //just auto load first tab instead
}
} //end outer for loop
}


function getCookie(Name){ 
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return ""
}

function setCookie(name, value){
document.cookie = name+"="+value //cookie value is domain wide (path=/)
}