function switchcontent(className, filtertag){
this.className=className
this.collapsePrev=false
this.persistType="none"
this.filter_content_tag=(typeof filtertag!="undefined")? filtertag.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, days){
if (bool==true){
if (typeof days=="undefined")
this.persistType="session"
else{
this.persistType="days"
this.persistDays=parseInt(days)
}
}
else
this.persistType="none"
}
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
if (this.persistType=="days" && (parseInt(switchcontent.getCookie(this.className+"_dtrack"))!=this.persistDays))
switchcontent.setCookie(this.className+"_d", "", -1) 
var opencontents_ids=(this.persistType=="session" && switchcontent.getCookie(this.className)!="")? ','+switchcontent.getCookie(this.className)+',' : (this.persistType=="days" && switchcontent.getCookie(this.className+"_d")!="")? ','+switchcontent.getCookie(this.className+"_d")+',' : (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)}
}
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.persistType!="none" && 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
if (this.persistType=="session")
switchcontent.setCookie(this.className, opencontents.join(","))
else if (this.persistType=="days" && typeof this.persistDays=="number"){
switchcontent.setCookie(this.className+"_d", opencontents.join(","), this.persistDays)
switchcontent.setCookie(this.className+"_dtrack", this.persistDays, this.persistDays)
}
}
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, days){
if (typeof days!="undefined"){
var expireDate = new Date()
var expstring=expireDate.setDate(expireDate.getDate()+days)
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()
}
else
document.cookie = name+"="+value
}