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
}