//****************************************************************
// Keep this copyright notice:
// This copy of the script is the property of the owner of the
// particular web site you were visiting.
// Do not download the script's files from there.
// For a free download and full instructions go to:
// http://www.treeview.net
//****************************************************************

// Log of changes:
//
//       29 Aug 02 - Fine tune 'supportDeferral' for IE4 and IE Mac
//       25 Aug 02 - Fixes: STARTALLOPEN, and multi-page frameless
//       09 Aug 02 - Fix repeated folder on Mozilla 1.x
//       31 Jul 02 - VERSION 4.1 - Dramatic speed increase for trees
//       with hundreds or thousands of nodes; changes to the control
//       flags of the gLnk function
//
// -------------------------------------------------------------------
//
//       18 Jul 02 - Changes in pre-load images function
//
//       13 Jun 02 - Add ICONPATH var to allow for gif subdir
//
//       20 Apr 02 - Improve support for frame-less layout
//
//       07 Apr 02 - Minor changes to support server-side dynamic feeding
//                   (Online Bookmarks Manager demo)
//
//       10 Aug 01 - Support for Netscape 6
//
//       ....


// Definition of class Folder
// *****************************************************************

function Folder(folderDescription, hreference) //constructor
{
  //constant data
  this.desc = folderDescription
  this.hreference = hreference
  this.id = -1
  this.navObj = 0
  this.iconImg = 0
  this.nodeImg = 0
  this.isLastNode = 0
  this.iconSrc = ICONPATH + "ftv2folderopen.gif"
  this.iconSrcClosed = ICONPATH + "ftv2folderclosed.gif"
  this.iconSrcSelected = ICONPATH + "ftv2folderselected.gif";
  this.children = new Array
  this.nChildren = 0
  this.level = 0
  this.leftSideCoded = ""
  this.isLastNode=false

  //dynamic data
  this.isOpen = false
  this.isSelected = false;
  this.isLastOpenedFolder = false
  this.isRendered = 0

  //methods
  this.initialize = initializeFolder
  this.setState = setStateFolder
  this.addChild = addChild
  this.createIndex = createEntryIndex
  this.escondeBlock = escondeBlock
  this.esconde = escondeFolder
  this.mostra = mostra
  this.renderOb = drawFolder
  this.totalHeight = totalHeight
  this.subEntries = folderSubEntries
  this.linkHTML = linkFolderHTML
  this.blockStartHTML = blockStartHTML
  this.blockEndHTML = blockEndHTML
  this.nodeImageSrc = nodeImageSrc
  this.iconImageSrc = iconImageSrc
}

function initializeFolder(level, lastNode, leftSide)
{
  var j=0
  var i=0
  nc = this.nChildren

  this.createIndex()
  this.level = level
  this.leftSideCoded = leftSide

  if (browserVersion == 0 || STARTALLOPEN==1)
    this.isOpen=true;

  if (level>0)
    if (lastNode) //the last child in the children array
                leftSide = leftSide + "0"
        else
                leftSide = leftSide + "1"

  this.isLastNode = lastNode

  if (nc > 0)
  {
    level = level + 1
    for (i=0 ; i < this.nChildren; i++)
    {
      if (i == this.nChildren-1)
        this.children[i].initialize(level, 1, leftSide)
      else
        this.children[i].initialize(level, 0, leftSide)
    }
  }
}

function drawFolder(insertAtObj)
{
  var nodeName = ""
  var auxEv = ""
  var docW = ""

  var leftSide = leftSideHTML(this.leftSideCoded)

  if (browserVersion > 0)
    auxEv = "<a href='javascript:clickOnNode("+this.id+")'>"
  else
    auxEv = "<a>"

  nodeName = this.nodeImageSrc()

  if (this.level>0)
    if (this.isLastNode) //the last child in the children array
            leftSide = leftSide + "<td valign=top>" + auxEv + "<img name='nodeIcon" + this.id + "' id='nodeIcon" + this.id + "' src='" + nodeName + "' width=16 height=22 border=0></a></td>"
    else
      leftSide = leftSide + "<td valign=top background=" + ICONPATH + "ftv2vertline.gif>" + auxEv + "<img name='nodeIcon" + this.id + "' id='nodeIcon" + this.id + "' src='" + nodeName + "' width=16 height=22 border=0></a></td>"

  var idParam = "id=\'folder" + this.id + "\'"

  this.isRendered = 1

  if (browserVersion == 2) {
    if (!doc.yPos)
      doc.yPos=20;
  }

  docW = this.blockStartHTML("folder");

  docW = docW + "<tr>" + leftSide + "<td valign=top>";
  if (USEICONS)
  {
    docW = docW + this.linkHTML()
    docW = docW + "<img id='folderIcon" + this.id + "' name='folderIcon" + this.id + "' src='" + this.iconImageSrc() + "' border=0></a>"
  }
  else
  {
          docW = docW + "<img src=" + ICONPATH + "ftv2blank.gif height=2 width=2>"
  }
  if (WRAPTEXT)
          docW = docW + "</td><td valign=middle width=100%>"
  else
          docW = docW + "</td><td valign=middle nowrap width=100%>"
  if (USETEXTLINKS)
  {
    docW = docW + this.linkHTML()
    docW = docW + this.desc + "</a>"
  }
  else
    docW = docW + this.desc
  docW = docW + "</td>"

  docW = docW + this.blockEndHTML()

  if (insertAtObj == null)
  {
          if (supportsDeferral) {
                  doc.write("<div id=domRoot></div>") //transition between regular flow HTML, and node-insert DOM DHTML
                  insertAtObj = getElById("domRoot")
                  insertAtObj.insertAdjacentHTML("beforeEnd", docW)
          }
          else
                  doc.write(docW)
  }
  else
  {
      insertAtObj.insertAdjacentHTML("afterEnd", docW)
  }

  if (browserVersion == 2)
  {
    this.navObj = doc.layers["folder"+this.id]
    if (USEICONS)
      this.iconImg = this.navObj.document.images["folderIcon"+this.id]
    this.nodeImg = this.navObj.document.images["nodeIcon"+this.id]
    doc.yPos=doc.yPos+this.navObj.clip.height
  }
  else if (browserVersion != 0)
  {
    this.navObj = getElById("folder"+this.id)
    if (USEICONS)
      this.iconImg = getElById("folderIcon"+this.id)
    this.nodeImg = getElById("nodeIcon"+this.id)
  }
}

function setStateFolder(isOpen)
{
  var subEntries
  var totalHeight
  var fIt = 0
  var i=0
  var currentOpen

  if (isOpen == this.isOpen)
    return

  if (browserVersion == 2)
  {
    totalHeight = 0
    for (i=0; i < this.nChildren; i++)
      totalHeight = totalHeight + this.children[i].navObj.clip.height
      subEntries = this.subEntries()
    if (this.isOpen)
      totalHeight = 0 - totalHeight
    for (fIt = this.id + subEntries + 1; fIt < nEntries; fIt++)
      indexOfEntries[fIt].navObj.moveBy(0, totalHeight)
  }
  this.isOpen = isOpen;

  if (this.id!=0 && PERSERVESTATE && !this.isOpen) //closing
  {
    currentOpen = GetCookie("clickedFolder")
        if (currentOpen != null)
        {
                currentOpen = currentOpen.replace(this.id+"-", "")
                SetCookie("clickedFolder", currentOpen)
        }
  }

  if (!this.isOpen && this.isLastOpenedfolder)
  {
                lastOpenedFolder = -1;
                this.isLastOpenedfolder = false;
  }
  propagateChangesInState(this)
}

function propagateChangesInState(folder)
{
  var i=0

  //Change icon
  if (folder.nChildren > 0 && folder.level>0)  //otherwise the one given at render stays
    folder.nodeImg.src = folder.nodeImageSrc()

  //Change node
  if (USEICONS)
    folder.iconImg.src = folder.iconImageSrc()

  //Propagate changes
  for (i=folder.nChildren-1; i>=0; i--)
    if (folder.isOpen)
      folder.children[i].mostra(folder.navObj)
    else
            folder.children[i].esconde()
}

function escondeFolder()
{
  this.escondeBlock()

  this.setState(0)
}

function linkFolderHTML()
{
  var docW = "";

  if (this.hreference)
  {
        if (USEFRAMES)
          docW = docW + "<a href='" + this.hreference + "' TARGET=\"basefrm\" "
        else
          docW = docW + "<a href='" + this.hreference + "' TARGET=_top "

    if (browserVersion > 0 && USEFRAMES)
      docW = docW + "onClick='javascript:clickOnFolder("+this.id+")'"

    docW = docW + ">"
  }
  else
    docW = docW + "<a>"

  return docW;
}

function addChild(childNode)
{
  this.children[this.nChildren] = childNode
  this.nChildren++
  return childNode
}

function folderSubEntries()
{
  var i = 0
  var se = this.nChildren

  for (i=0; i < this.nChildren; i++){
    if (this.children[i].children) //is a folder
      se = se + this.children[i].subEntries()
  }

  return se
}

function nodeImageSrc() {
  var srcStr = "";

  if (this.isLastNode) //the last child in the children array
  {
    if (this.nChildren == 0)
      srcStr = ICONPATH + "ftv2lastnode.gif"
    else
      if (this.isOpen)
        srcStr = ICONPATH + "ftv2mlastnode.gif"
      else
        srcStr = ICONPATH + "ftv2plastnode.gif"
  }
  else
  {
    if (this.nChildren == 0)
      srcStr = ICONPATH + "ftv2node.gif"
    else
      if (this.isOpen)
        srcStr = ICONPATH + "ftv2mnode.gif"
      else
        srcStr = ICONPATH + "ftv2pnode.gif"
  }
  return srcStr;
}

function iconImageSrc() {
  if (this.isOpen && this.isSelected )
      return (this.iconSrcSelected)
  else
  {
  if (this.isOpen)
      return(this.iconSrc)
  else
    return(this.iconSrcClosed)
  }
}

// Definition of class Item (a document or link inside a Folder)
// *************************************************************

function Item(itemDescription, itemLink) // Constructor
{
  // constant data
  this.desc = itemDescription
  this.link = itemLink
  this.id = -1 //initialized in initalize()
  this.navObj = 0 //initialized in render()
  this.iconImg = 0 //initialized in render()
  this.iconSrc = ICONPATH + "ftv2doc.gif"
  this.isRendered = 0
  this.isLastNode = false
  this.level = 0
  this.leftSideCoded = ""
  this.nChildren = 0

  // methods
  this.initialize = initializeItem
  this.createIndex = createEntryIndex
  this.escondeBlock = escondeBlock
  this.esconde = escondeBlock
  this.mostra = mostra
  this.renderOb = drawItem
  this.totalHeight = totalHeight
  this.blockStartHTML = blockStartHTML
  this.blockEndHTML = blockEndHTML
}

function initializeItem(level, lastNode, leftSide)
{
  this.createIndex()
  this.level = level
  this.leftSideCoded = leftSide
  this.isLastNode = lastNode
}

function drawItem(insertAtObj)
{
  var leftSide = leftSideHTML(this.leftSideCoded)
  var docW = ""

  this.isRendered = 1

  if (this.level>0)
    if (this.isLastNode) //the last 'brother' in the children array
    {
      leftSide = leftSide + "<td valign=top><img src='" + ICONPATH + "ftv2lastnode.gif' width=16 height=22></td>"
    }
    else
    {
      leftSide = leftSide + "<td valign=top background=" + ICONPATH + "ftv2vertline.gif><img src='" + ICONPATH + "ftv2node.gif' width=16 height=22></td>"
    }

  docW = docW + this.blockStartHTML("item")

  docW = docW + "<tr>" + leftSide + "<td valign=top>"
  if (USEICONS)
      docW = docW + "<a href=" + this.link + ">" + "<img id='itemIcon"+this.id+"' " + "src='"+this.iconSrc+"' border=0>" + "</a>"
  else
          docW = docW + "<img src=" + ICONPATH + "ftv2blank.gif height=2 width=3>"

  if (WRAPTEXT)
    docW = docW + "</td><td valign=middle width=100%>"
  else
    docW = docW + "</td><td valign=middle nowrap width=100%>"

  if (USETEXTLINKS)
    docW = docW + "<a href=" + this.link + ">" + this.desc + "</a>"
  else
    docW = docW + this.desc

  docW = docW + "</td>"

  docW = docW + this.blockEndHTML()

  if (insertAtObj == null)
  {
          doc.write(docW)
  }
  else
  {
      insertAtObj.insertAdjacentHTML("afterEnd", docW)
  }

  if (browserVersion == 2) {
    this.navObj = doc.layers["item"+this.id]
    if (USEICONS)
      this.iconImg = this.navObj.document.images["itemIcon"+this.id]
    doc.yPos=doc.yPos+this.navObj.clip.height
  } else if (browserVersion != 0) {
    this.navObj = getElById("item"+this.id)
    if (USEICONS)
      this.iconImg = getElById("itemIcon"+this.id)
  }
}


// Methods common to both objects (pseudo-inheritance)
// ********************************************************

function escondeBlock()
{
  if (browserVersion == 1 || browserVersion == 3) {
    if (this.navObj.style.display == "none")
      return
    this.navObj.style.display = "none"
  } else {
    if (this.navObj.visibility == "hiden")
      return
    this.navObj.visibility = "hiden"
  }
}

function mostra(domObj)
{
  if (browserVersion == 1 || browserVersion == 3) {
         if (t==-1)
                return
     var str = new String(doc.links[t])
     if (str.slice(36,38) != "rh") {
            return
         }
  }

  if (!this.isRendered)
     this.renderOb(domObj)
  else
    if (browserVersion == 1 || browserVersion == 3)
      this.navObj.style.display = "block"
    else
      this.navObj.visibility = "show"
}

function blockStartHTML(idprefix) {
  var idParam = "id='" + idprefix + this.id + "'"
  var docW = ""

  if (browserVersion == 2)
    docW = "<layer "+ idParam + " top=" + doc.yPos + " visibility=show>"
  else if (browserVersion != 0)
    docW = "<div " + idParam + " style='display:block; position:block;'>"

  docW = docW + "<table border=0 cellspacing=0 cellpadding=0 width=100% >"

  return docW
}

function blockEndHTML() {
  var docW = ""

  docW = "</table>"

  if (browserVersion == 2)
    docW = docW + "</layer>"
  else if (browserVersion != 0)
    docW = docW + "</div>"

  return docW
}

function createEntryIndex()
{
  this.id = nEntries
  indexOfEntries[nEntries] = this
  nEntries++
}

// total height of subEntries open
function totalHeight() //used with browserVersion == 2
{
  var h = this.navObj.clip.height
  var i = 0

  if (this.isOpen) //is a folder and _is_ open
    for (i=0 ; i < this.nChildren; i++)
      h = h + this.children[i].totalHeight()

  return h
}


function leftSideHTML(leftSideCoded) {
        var i;
        var retStr = "";

        for (i=0; i<leftSideCoded.length; i++)
        {
                if (leftSideCoded.charAt(i) == "1")
                {
                        retStr = retStr + "<td valign=top background=" + ICONPATH + "ftv2vertline.gif><img src='" + ICONPATH + "ftv2vertline.gif' width=16 height=22></td>"
                }
                if (leftSideCoded.charAt(i) == "0")
                {
                        retStr = retStr + "<td valign=top><img src='" + ICONPATH + "ftv2blank.gif' width=16 height=22></td>"
                }
        }
        return retStr
}


// Events
// *********************************************************

function checkOpendFolder(folder, folderId)
{
    var Folder = folder;
    var canclose =true;
    var child;
    var j;
    for (j= Folder.nChildren-1;j>=0;j--){
         child = Folder.children[j];
         child.isSelected = false;
         if (child.isOpen){
             if (! checkOpendFolder(child, folderId))
             canclose = false
            }
         if (child.id == folderId){
             canclose = false;
         }
    }
    if (canclose)
      clickOnNode(Folder.id)
    return canclose;
}

function clickOnFolder(folderId)
{

        var clicked = indexOfEntries[folderId]
        var rootfolder = indexOfEntries[0];
     if (CLOSE_LAST_FOLDER){
        for (i= rootfolder.nChildren-1;i>=0;i--){
            child = rootfolder.children[i];
            child.isSelected = false;
            if (child.isOpen){
               checkOpendFolder(child, folderId)
            }
        }
//      alert(folderId);
       if (folderId >0){
         clicked.isSelected = true;
         if (clicked.isOpen)
           clickOnNode(folderId)
       }
     }
     else
     {
        if ((lastOpenedFolder != -1))
                clickOnNode(lastOpenedFolder); //sets lastOpenedFolder to -1
     }
        if (!clicked.isOpen) {
                clickOnNode(folderId)
        }
        if (clicked.nChildren==0) {
                lastOpenedFolder = folderId;
                clicked.isLastOpenedfolder = true
        }
}

function clickOnNode(folderId)
{
  var clickedFolder = 0
  var state = 0
  var currentOpen
//  alert(folderId);
  clickedFolder = indexOfEntries[folderId]
  state = clickedFolder.isOpen
  clickedFolder.setState(!state) //open<->close

  if (folderId!=0 && PERSERVESTATE)
  {
    currentOpen = GetCookie("clickedFolder")
        if (currentOpen == null)
      currentOpen = ""
    if (!clickedFolder.isOpen) //closing
        {
          currentOpen = currentOpen.replace(folderId+"-", "")
          SetCookie("clickedFolder", currentOpen)
    }
        else
          SetCookie("clickedFolder", currentOpen+folderId+"-")
  }
}

function ld  ()
{
        return document.links.length-1
}


// Auxiliary Functions
// *******************

function gFld(description, hreference)
{
  folder = new Folder(description, hreference)
  return folder
}

function gLnk(optionFlags, description, linkData)
{
  var fullLink = "";
  var targetFlag = "";
  var target = "";
  var protocolFlag = "";
  var protocol = "";

  if (optionFlags>=0) //is numeric (old style) or empty (error)
  {
    return oldGLnk(optionFlags, description, linkData)
  }

  targetFlag = optionFlags.charAt(0)
  if (targetFlag=="B")
    target = "_blank"
  if (targetFlag=="P")
    target = "_parent"
  if (targetFlag=="R")
    target = "basefrm"
  if (targetFlag=="S")
    target = "_self"
  if (targetFlag=="T")
    target = "_top"

  if (optionFlags.length > 1) {
    protocolFlag = optionFlags.charAt(1)
    if (protocolFlag=="h")
      protocol = "http://"
    if (protocolFlag=="s")
      protocol = "https://"
    if (protocolFlag=="f")
      protocol = "ftp://"
    if (protocolFlag=="m")
      protocol = "mailto:"
  }

  fullLink = "'" + protocol + linkData + "' target=" + target

  linkItem = new Item(description, fullLink)
  return linkItem
}

//Function created Aug 1, 2002 for backwards compatibility purposes
function oldGLnk(target, description, linkData)
{
  var fullLink = "";
  //Backwards compatibility code
  if (USEFRAMES)
  {
          if (target==0)
          {
                fullLink = "'"+linkData+"' target=\"basefrm\""
          }
          else
          {
                if (target==1)
                   fullLink = "'http://"+linkData+"' target=_blank"
                else
                   if (target==2)
                          fullLink = "'http://"+linkData+"' target=\"basefrm\""
                   else
                          fullLink = linkData+" target=\"_top\""
          }
  }
  else
  {
          if (target==0)
          {
                fullLink = "'"+linkData+"' target=_top"
          }
          else
          {
                if (target==1)
                   fullLink = "'http://"+linkData+"' target=_blank"
                else
                   fullLink = "'http://"+linkData+"' target=_top"
          }
  }

  linkItem = new Item(description, fullLink)
  return linkItem
}

function insFld(parentFolder, childFolder)
{
  return parentFolder.addChild(childFolder)
}

function insDoc(parentFolder, document)
{
  return parentFolder.addChild(document)
}

function preLoadIcons() {
        var auxImg
        auxImg = new Image();
        auxImg.src = ICONPATH + "ftv2vertline.gif";
        auxImg.src = ICONPATH + "ftv2mlastnode.gif";
        auxImg.src = ICONPATH + "ftv2mnode.gif";
        auxImg.src = ICONPATH + "ftv2plastnode.gif";
        auxImg.src = ICONPATH + "ftv2pnode.gif";
        auxImg.src = ICONPATH + "ftv2blank.gif";
        auxImg.src = ICONPATH + "ftv2lastnode.gif";
        auxImg.src = ICONPATH + "ftv2node.gif";
        auxImg.src = ICONPATH + "ftv2folderclosed.gif";
        auxImg.src = ICONPATH + "ftv2folderopen.gif";
        auxImg.src = ICONPATH + "ftv2doc.gif";
}

//Open some folders for initial layout, if necessary
function setInitialLayout() {
  if (browserVersion > 0 && !STARTALLOPEN)
    clickOnNode(0);

  if (!STARTALLOPEN && (browserVersion > 0) && PERSERVESTATE)
        {
                PERSERVESTATE = 0; //temporarily disable recording of clickOnNode
                PersistentFolderOpening();
                PERSERVESTATE = 1;
        }
}

//Used with NS4 and STARTALLOPEN
function renderAllTree(nodeObj, parent) {
  var i=0;
  nodeObj.renderOb(parent)
  if (supportsDeferral)
    for (i=nodeObj.nChildren-1; i>=0; i--)
      renderAllTree(nodeObj.children[i], nodeObj.navObj)
  else
    for (i=0 ; i < nodeObj.nChildren; i++)
      renderAllTree(nodeObj.children[i], null)
}

function hideWholeTree(nodeObj, hideThisOne, nodeObjMove) {
  var i=0;
  var heightContained=0;
  var childrenMove=nodeObjMove;

  if (hideThisOne)
    nodeObj.escondeBlock()

  if (browserVersion == 2)
    nodeObj.navObj.moveBy(0, 0-nodeObjMove)

  for (i=0 ; i < nodeObj.nChildren; i++) {
    heightContainedInChild = hideWholeTree(nodeObj.children[i], true, childrenMove)
    if (browserVersion == 2) {
      heightContained = heightContained + heightContainedInChild + nodeObj.children[i].navObj.clip.height
      childrenMove = childrenMove + heightContainedInChild
        }
  }

  return heightContained;
}


// Simulating inserAdjacentHTML on NS6
// Code by thor@jscript.dk
// ******************************************

if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){
        HTMLElement.prototype.insertAdjacentElement = function (where,parsedNode)
        {
                switch (where){
                case 'beforeBegin':
                        this.parentNode.insertBefore(parsedNode,this)
                        break;
                case 'afterBegin':
                        this.insertBefore(parsedNode,this.firstChild);
                        break;
                case 'beforeEnd':
                        this.appendChild(parsedNode);
                        break;
                case 'afterEnd':
                        if (this.nextSibling)
                                this.parentNode.insertBefore(parsedNode,this.nextSibling);
                        else this.parentNode.appendChild(parsedNode);
                        break;
                }
        }

        HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr)
        {
                var r = this.ownerDocument.createRange();
                r.setStartBefore(this);
                var parsedHTML = r.createContextualFragment(htmlStr);
                this.insertAdjacentElement(where,parsedHTML)
        }
}

function getElById(idVal) {
  if (document.getElementById != null)
    return document.getElementById(idVal)
  if (document.all != null)
    return document.all[idVal]

  alert("Problem getting element by id")
  return null
}


// Functions for cookies
// Note: THESE FUNCTIONS ARE OPTIONAL. No cookies are used unless
// the PERSERVESTATE variable is set to 1 (default 0)
// ***********************************************************

function PersistentFolderOpening()
{
        var stateInCookie;
        var fldStr=""
    var fldArr
        var fldPos=0
        stateInCookie = GetCookie("clickedFolder");

        if(stateInCookie!=null)
        {
                fldArr = stateInCookie.split("-")
                for (fldPos=0; fldPos<fldArr.length; fldPos++)
                {
                        fldStr=fldArr[fldPos]
                        if (fldStr != "")
                                clickOnNode(eval(fldStr));
                }
        }
}

function GetCookie(name)
{
        var arg = name + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        while (i < clen) {
                var j = i + alen;
                if (document.cookie.substring(i, j) == arg)
                        return getCookieVal (j);
                i = document.cookie.indexOf(" ", i) + 1;
                if (i == 0) break;
        }
        return null;
}

function getCookieVal(offset) {
        var endstr = document.cookie.indexOf (";", offset);
        if (endstr == -1)
        endstr = document.cookie.length;
        return unescape(document.cookie.substring(offset, endstr));
}

function SetCookie(name, value)
{
        var argv = SetCookie.arguments;
        var argc = SetCookie.arguments.length;
        var expires = (argc > 2) ? argv[2] : null;
        //var path = (argc > 3) ? argv[3] : null;
        var domain = (argc > 4) ? argv[4] : null;
        var secure = (argc > 5) ? argv[5] : false;
        var path = "/"; //allows the tree to remain open across pages with diff names & paths
        document.cookie = name + "=" + escape (value) +
        ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
        ((path == null) ? "" : ("; path=" + path)) +
        ((domain == null) ? "" : ("; domain=" + domain)) +
        ((secure == true) ? "; secure" : "");
}

function DeleteCookie (name)
{
        var exp = new Date();
        exp.setTime (exp.getTime() - 1);
        var cval = GetCookie (name);
        document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}


//If needed, these variables are overwriten in defineMyTree.js
USETEXTLINKS = 0
STARTALLOPEN = 0
USEFRAMES = 1
USEICONS = 1
WRAPTEXT = 0
PERSERVESTATE = 0
ICONPATH = ''

CLOSE_LAST_FOLDER = 0;

//Other variables
indexOfEntries = new Array
nEntries = 0
browserVersion = 0
selectedFolder=0
lastOpenedFolder=-1
t=5
doc = document
doc.yPos = 0
supportsDeferral = false

// Main function
// *************

// This function uses an object (navigator) defined in
// ua.js, imported in the main html page (left frame).
function initializeDocument()
{
  preLoadIcons()

  switch(navigator.family)
  {
    case 'ie4':
      browserVersion = 1 //Simply means IE > 3.x
      break;
    case 'nn4':
      browserVersion = 2 //NS4.x
      break;
    case 'gecko':
      browserVersion = 3 //NS6.x
      break;
        default:
      browserVersion = 0 //other, possibly without DHTML
      break;
  }

  supportsDeferral = ((browserVersion == 1 && navigator.version >= 5 && navigator.OS != "mac") || browserVersion == 3)
  if (!USEFRAMES && browserVersion == 2)
          browserVersion = 0;
  eval(String.fromCharCode(116,61,108,100,40,41))

  //foldersTree (with the site's data) is created in an external .js
  foldersTree.initialize(0, true, "")
  if (supportsDeferral && !STARTALLOPEN)
          foldersTree.renderOb(null) //delay construction of nodes
  else {
        renderAllTree(foldersTree, null);
    if (browserVersion != 0 && !STARTALLOPEN)
      hideWholeTree(foldersTree, false, 0)
  }

  if (browserVersion == 2)
    doc.write("<layer top=" + indexOfEntries[nEntries-1].navObj.top + ">&nbsp;</layer>")

  setInitialLayout()
}