var enabletabpersistence=1

var tabcontentIDs=new Object()

function expandcontent(linkobj){
  var ulid=linkobj.parentNode.parentNode.id
  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
}