var enabletabpersistence=1 
var tabcontentIDs=new Object()

function expandcontent(linkobj){
var ulid=linkobj.parentNode.parentNode.id //id of UL element
var ullist=document.getElementById(ulid).getElementsByTagName("li")
for (var i=0; i<ullist.length; i++){
ullist[i].className="" 
if (typeof tabcontentIDs[ulid][i]!="undefined")
document.getElementById(tabcontentIDs[ulid][i]).style.display="none"
}
linkobj.parentNode.className="selected" 
document.getElementById(linkobj.getAttribute("rel")).style.display="block" 
saveselectedtabcontentid(ulid, linkobj.getAttribute("rel"))
}

function expandtab(tabcontentid, tabnumber){
var thetab=document.getElementById(tabcontentid).getElementsByTagName("a")[tabnumber]
if (thetab.getAttribute("rel"))
expandcontent(thetab)
}

function savetabcontentids(ulid, relattribute){
if (typeof tabcontentIDs[ulid]=="undefined")
tabcontentIDs[ulid]=new Array()
tabcontentIDs[ulid][tabcontentIDs[ulid].length]=relattribute
}

function saveselectedtabcontentid(ulid, selectedtabid){
if (enabletabpersistence==1)
setCookie(ulid, selectedtabid)
}

function getullistlinkbyId(ulid, tabcontentid){
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++){
if (enabletabpersistence==0 && getCookie(arguments[i])!="")
setCookie(arguments[i], "")
var clickedontab=getCookie(arguments[i])
var ulobj=document.getElementById(arguments[i])
var ulist=ulobj.getElementsByTagName("li")
for (var x=0; x<ulist.length; x++){
var ulistlink=ulist[x].getElementsByTagName("a")[0]
if (ulistlink.getAttribute("rel")){
savetabcontentids(arguments[i], ulistlink.getAttribute("rel"))
ulistlink.onclick=function(){
expandcontent(this)
return false
}
if (ulist[x].className=="selected" && clickedontab=="")
expandcontent(ulistlink)
}
}
if (clickedontab!=""){
var culistlink=getullistlinkbyId(arguments[i], clickedontab)
if (typeof culistlink!="undefined")
expandcontent(culistlink)
else
expandcontent(ulist[0].getElementsByTagName("a")[0])
}
}
}


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

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