//****************************************************************
// 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:
//
// (KCW)26 May 06 - Added support for individual folder and item icons
//                - Added support for individual folder and item tooltips
//                - Removed stupid copyright protection scheme
//                - Fixed poorly written javascript (ie. no terminating semi-colons on statements etc.)
//                - Fixed highlighting of items
//      08 Jun 04 - Very small change to one error message
//      21 Mar 04 - Support for folder.addChildren allows for much bigger trees
//      12 May 03 - Support for Safari Beta 3
//      01 Mar 03 - VERSION 4.3 - Support for checkboxes
//      21 Feb 03 - Added support for Opera 7
//      22 Sep 02 - Added maySelect member for node-by-node control
//                  of selection and highlight
//      21 Sep 02 - Cookie values are now separated by cookieCutter
//      12 Sep 02 - VERSION 4.2 - Can highlight Selected Nodes and
//                  can preserve state through external (DB) IDs
//      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
//                  (example: FavoritesManagerASP)


// 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.xID = null; 		// Added by KCW
  this.uid = 0; 		// Added by KCW
  this.title = "";		// Added by KCW
  this.cms = 0;		    // Added by KCW
  this.menu = 0;		// Added by KCW
  this.children = new Array;
  this.nChildren = 0;
  this.level = 0;
  this.leftSideCoded = "";
  this.isLastNode=false;
  this.parentObj = null;
  this.maySelect = (hreference != '');  // Modified by KCW
  this.prependHTML = "";

  //dynamic data
  this.isOpen = false;
  this.isLastOpenedFolder = false;
  this.isRendered = 0;

  //methods
  this.initialize = initializeFolder;
  this.setState = setStateFolder;
  this.addChild = addChild;
  this.deleteChild = deleteChild;   // added by KCW
  this.addChildren = addChildren;
  this.createIndex = createEntryIndex;
  this.escondeBlock = escondeBlock;
  this.esconde = escondeFolder;
  this.folderMstr = folderMstr;
  this.renderOb = drawFolder;
  this.totalHeight = totalHeight;
  this.subEntries = folderSubEntries;
  this.linkHTML = linkFolderHTML;
  this.blockStartHTML = blockStartHTML;
  this.blockEndHTML = blockEndHTML;
  this.nodeImageSrc = nodeImageSrc;
  this.iconImageSrc = iconImageSrc;
  this.getID = getID;
  this.forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders;
}

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 (typeof this.children[i].initialize == 'undefined') //document node was specified using the addChildren function
      {
        if (typeof this.children[i][0] == 'undefined' || typeof this.children[i] == 'string')
        {
          this.children[i] = ["item incorrectly defined", ""];
        }

        //Basic initialization of the Item object
        //These members or methods are needed even before the Item is rendered
        this.children[i].initialize=initializeItem;
        this.children[i].createIndex=createEntryIndex;
        if (typeof this.children[i].maySelect == 'undefined')
          this.children[i].maySelect=true;
        this.children[i].forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders;
      }
      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 i=0;

  finalizeCreationOfChildDocs(this);

  var leftSide = leftSideHTML(this.leftSideCoded);

  if (browserVersion > 0)
    auxEv = "<a href=\"javascript:clickOnNode('"+this.getID()+"')\">";
  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 hidefocus=\"true\" 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 hidefocus=\"true\" name=\"nodeIcon" + this.id + "\" id=\"nodeIcon" + this.id + "\" src=\"" + nodeName + "\" width=\"16\" height=\"22\" border=\"0\"></a></td>";

  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(false);
    docW = docW + "<img hidefocus=\"true\" id=\"folderIcon" + this.id + "\" name=\"folderIcon" + this.id + "\" src=\"" + this.iconImageSrc() + "\" border=\"0\"></a>";
  }
  else
  {
	  if (this.prependHTML == "")
        docW = docW + "<img hidefocus=\"true\" src=\"" + ICONPATH + "ftv2blank.gif\" height=\"2\" width=\"2\">";
  }
  if (WRAPTEXT)
	  docW = docW + "</td>"+this.prependHTML+"<td valign=\"middle\" width=\"100%\">";
  else
	  docW = docW + "</td>"+this.prependHTML+"<td valign=\"middle\" nowrap width=\"100%\">";
  if (USETEXTLINKS)
  {
    docW = docW + this.linkHTML(true);
    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.getID()!=JSTree.getID() && PRESERVESTATE && !this.isOpen) //closing
  {
     currentOpen = GetCookie("clickedFolder");
     if (currentOpen != null) {
         currentOpen = currentOpen.replace(this.getID()+cookieCutter, "");
         SetCookie("clickedFolder", currentOpen);
     }
  }

  if (!this.isOpen && this.isLastOpenedfolder)
  {
		lastOpenedFolder = null;
		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].folderMstr(folder.navObj);
    else
  	  folder.children[i].esconde();
  }
}

function escondeFolder()
{
  this.escondeBlock();

  this.setState(0);
}

function linkFolderHTML(isTextLink)
{
  var docW = "";

  if (this.hreference && this.hreference != '')		// modified by KCW
  {
    if (USEFRAMES)
    {
     if (this.hreference == '') docW = docW + "<a title=\"" + this.title + "\" href=\"javascript:void(0)\" TARGET=\"basefrm\" ";
	 else docW = docW + "<a title=\"" + this.title + "\" href=\"" + this.hreference + "\" TARGET=\"basefrm\" ";
    }
    else
    {
     if (this.hreference == '') docW = docW + "<a title=\"" + this.title + "\" href=\"javascript:void(0)\" TARGET=_self ";   // this used to be _top I have no idea why
	 else docW = docW + "<a title=\"" + this.title + "\" href=\"" + this.hreference + "\" TARGET=_self ";   // this used to be _top I have no idea why
    }

    if (isTextLink) {
        docW += "id=\"itemTextLink"+this.id+"\" ";
    }

    if (browserVersion > 0)
    {
      if (this.hreference != '') docW = docW + "onClick=\"javascript:clickOnFolder('"+this.getID()+"')\"";
    }

    docW = docW + ">";
  }
  else
    docW = docW + "<a class=\"folderlink\">";		// modified by KCW

  return docW;
}

function addChild(childNode)
{
  this.children[this.nChildren] = childNode;
  childNode.parentObj = this;
  this.nChildren++;
  return childNode;
}

function deleteChild(childNode)	// Added by KCW
{
 for (var i=0; i<childNode.parentObj.nChildren; i++)
 {
  if (childNode.parentObj.children[i].uid == childNode.uid)
  {
   childNode.parentObj.children.splice(i, 1);
   childNode.parentObj.nchildren--;
   return true;
  }
 }

 return false;
}

//The list can contain either a Folder object or a sub list with the arguments for Item
function addChildren(listOfChildren)
{
  this.children = listOfChildren;
  this.nChildren = listOfChildren.length;
  for (i=0; i<this.nChildren; i++)
    this.children[i].parentObj = this;
}

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)
    return(this.iconSrc);
  else
    return(this.iconSrcClosed);
}

// Definition of class Item (a document or link inside a Folder)
// *************************************************************

function Item(itemDescription) // Constructor
{
  // constant data
  this.desc = itemDescription;

  this.level = 0;
  this.isLastNode = false;
  this.leftSideCoded = "";
  this.parentObj = null;
//  this.xID = null; 		// Added by KCW
  this.uid = 0; 		// Added by KCW
  this.title = "";		// Added by KCW
  this.cms = 0;		    // Added by KCW
  this.menu = 0;		// Added by KCW

  this.maySelect=true;

  this.initialize = initializeItem;
  this.createIndex = createEntryIndex;
  this.forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders;

  finalizeCreationOfItem(this);
}

//Assignments that can be delayed when the item is created with folder.addChildren
//The assignments that cannot be delayed are done in addChildren and in initializeFolder
//Additionaly, some assignments are also done in finalizeCreationOfChildDocs itself
function finalizeCreationOfItem(itemArray)
{
  itemArray.navObj = 0; //initialized in render()
  itemArray.iconImg = 0; //initialized in render()
  itemArray.iconSrc = ICONPATH + "ftv2doc.gif";
  itemArray.isRendered = 0;
  itemArray.nChildren = 0;
  itemArray.prependHTML = "";

  // methods
  itemArray.escondeBlock = escondeBlock;
  itemArray.esconde = escondeBlock;
  itemArray.folderMstr = folderMstr;
  itemArray.renderOb = drawItem;
  itemArray.totalHeight = totalHeight;
  itemArray.blockStartHTML = blockStartHTML;
  itemArray.blockEndHTML = blockEndHTML;
  itemArray.getID = getID;
}

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 = "";

  var slink = new String(this.link);    // Supports javascript link expressions containing single quotation marks
  slink = slink.replace(/\'/g, "\\'");

//  var fullLink = "href=\"" + this.link + "\" target=\"" + this.target + "\" onClick=\"clickOnLink('" + this.getID() + "', '" + slink + "','" + this.target + "');return false;\"";
//  var fullLink = "href=\"" + this.link + "\" target=\"" + this.target + "\" onClick=\"clickOnLink('" + this.getID() + "', '" + slink + "','" + this.target + "');\"";
//  var fullLink = "href=\"" + this.link + "\" target=\"" + this.target + "\" onClick=\"clickOnLink('" + this.getID() + "');\"";

  var fullLink;
  if (this.link == '') fullLink = "href=\"javascript:void(0)\" target=\"" + this.target + "\"";
  else fullLink = "href=\"" + this.link + "\" target=\"" + this.target + "\" onClick=\"clickOnLink('" + this.getID() + "');\"";

  this.isRendered = 1;

  if (this.level>0)
    if (this.isLastNode) //the last 'brother' in the children array
    {
      leftSide = leftSide + "<td valign=\"top\"><img hidefocus=\"true\" src=\"" + ICONPATH + "ftv2lastnode.gif\" width=\"16\" height=\"22\"></td>";
    }
    else
    {
      leftSide = leftSide + "<td valign=\"top\" background=\"" + ICONPATH + "ftv2vertline.gif\"><img hidefocus=\"true\" src=\"" + ICONPATH + "ftv2node.gif\" width=\"16\" height=\"22\"></td>";
    }

  docW = docW + this.blockStartHTML("item");

  docW = docW + "<tr>" + leftSide + "<td valign=\"top\">";
  if (USEICONS)
  {
////   if (this.link == '') docW = docW + "<a title=\"" + this.title + "\">" + "<img hidefocus=\"true\" id=\"itemIcon"+this.id+"\" " + "src=\""+this.iconSrc+"\" border=\"0\">" + "</a>";  // Added by KCW
//   if (this.link == '') docW = docW + "<a title=\"" + this.title + "\" " + fullLink + " id=\"itemIconLink" + this.id + "\">" + "<img hidefocus=\"true\" id=\"itemIcon"+this.id+"\" " + "src=\""+this.iconSrc+"\" border=\"0\">" + "</a>";  // Added by KCW
//   else docW = docW + "<a title=\"" + this.title + "\" " + fullLink + " id=\"itemIconLink" + this.id + "\">" + "<img hidefocus=\"true\" id=\"itemIcon"+this.id+"\" " + "src=\""+this.iconSrc+"\" border=\"0\">" + "</a>";
   docW = docW + "<a title=\"" + this.title + "\" " + fullLink + " id=\"itemIconLink" + this.id + "\">" + "<img hidefocus=\"true\" id=\"itemIcon"+this.id+"\" " + "src=\""+this.iconSrc+"\" border=\"0\">" + "</a>";
  }
  else
	  if (this.prependHTML == "")
        docW = docW + "<img hidefocus=\"true\" src=" + ICONPATH + "ftv2blank.gif height=2 width=3>";

  if (WRAPTEXT)
    docW = docW + "</td>"+this.prependHTML+"<td valign=\"middle\" width=\"100%\">";
  else
    docW = docW + "</td>"+this.prependHTML+"<td valign=\"middle\" nowrap width=\"100%\">";

  if (USETEXTLINKS)
  {
////   if (this.link == '') docW = docW + "<a title=\"" + this.title + "\">" + this.desc + "</a>";
//   if (this.link == '') docW = docW + "<a title=\"" + this.title + "\" " + fullLink + " id=\"itemTextLink" + this.id + "\">" + this.desc + "</a>";
//   else docW = docW + "<a title=\"" + this.title + "\" " + fullLink + " id=\"itemTextLink" + this.id + "\">" + this.desc + "</a>";
   docW = docW + "<a title=\"" + this.title + "\" " + fullLink + " id=\"itemTextLink" + this.id + "\">" + 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 forceOpeningOfAncestorFolders() {
  if (this.parentObj == null || this.parentObj.isOpen)
    return;
  else {
    this.parentObj.forceOpeningOfAncestorFolders();
    clickOnNodeObj(this.parentObj);
  }
}

function escondeBlock()
{
  if (browserVersion == 1 || browserVersion == 3) {
    if (this.navObj.style.display == "none")
      return;
    this.navObj.style.display = "none";
  } else {
    if (this.navObj.visibility == "hidden")
      return;
    this.navObj.visibility = "hidden";
  }
}

function folderMstr(domObj)
{
/*
  if (browserVersion == 1 || browserVersion == 3) {
    if (t==-1)
      return;
    var str = new String(doc.links[t]);
    if (str.slice(14,16) != "em")
      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 hidefocus=\"true\" src=\"" + ICONPATH + "ftv2vertline.gif\" width=\"16\" height=\"22\"></td>";
		}
		if (leftSideCoded.charAt(i) == "0")
		{
			retStr = retStr + "<td valign=\"top\"><img hidefocus=\"true\" src=\"" + ICONPATH + "ftv2blank.gif\" width=\"16\" height=\"22\"></td>";
		}
	}
	return retStr;
}

function getID()
{
  //define a .xID in all nodes (folders and items) if you want to PERVESTATE that
  //work when the tree changes. The value eXternal value must be unique for each
  //node and must node change when other nodes are added or removed
  //The value may be numeric or string, but cannot have the same char used in cookieCutter
//  if (this.xID != null && typeof this.xID != "undefined")		// modified by KCW
//    return this.xID;
  if (this.uid != null && typeof this.uid != "undefined")        // modified by KCW
    return this.uid;
  else
    return this.id;
}


// Events
// *********************************************************

function clickOnFolder(folderId)
{
  var clicked = findObj(folderId);

  if (typeof clicked=='undefined' || clicked==null)
  {
//    alert("Treeview was not able to find the node object corresponding to ID=" + folderId + ". If the configuration file sets a.xID values, it must set them for ALL nodes, including the JSTree root.");
    alert("Treeview was not able to find the node object corresponding to ID=" + folderId + ". If the configuration file sets a.uid values, it must set them for ALL nodes, including the JSTree root.");
    return;
  }

  if (!clicked.isOpen) {
    clickOnNodeObj(clicked);
  }

  if (lastOpenedFolder != null && lastOpenedFolder != folderId)
    clickOnNode(lastOpenedFolder); //sets lastOpenedFolder to null;

  if (clicked.nChildren==0) {
    lastOpenedFolder = folderId;
    clicked.isLastOpenedfolder = true;
  }

  if (isLinked(clicked.hreference)) {
      highlightObjLink(clicked);
  }
}

function clickOnNode(folderId)
{
  fOb = findObj(folderId);
  if (typeof fOb=='undefined' || fOb==null)
  {
//    alert("Treeview was not able to find the node object corresponding to ID=" + folderId + ". If the configuration file sets a.xID, it must set JSTree.xID as well.");
    alert("Treeview was not able to find the node object corresponding to ID=" + folderId + ". If the configuration file sets a.uid, it must set JSTree.xID as well.");
    return;
  }

  clickOnNodeObj(fOb);
}

function clickOnNodeObj(folderObj)
{
  var state = 0;
  var currentOpen;

  state = folderObj.isOpen;
  folderObj.setState(!state); //open<->close

  if (folderObj.id!=JSTree.id && PRESERVESTATE)
  {
    currentOpen = GetCookie("clickedFolder");
    if (currentOpen == null)
      currentOpen = "";

    if (!folderObj.isOpen) //closing
    {
      currentOpen = currentOpen.replace(folderObj.getID()+cookieCutter, "");
      SetCookie("clickedFolder", currentOpen);
    }
    else
      SetCookie("clickedFolder", currentOpen+folderObj.getID()+cookieCutter);
  }
}

//function clickOnLink(clickedId, target, windowName) {
function clickOnLink(clickedId) {
    highlightObjLink(findObj(clickedId));

//    if (isJScript(target)) eval(target);
//    if (isLinked(target)) window.open(target,windowName);
}

//function ld  ()
//{
//	return document.links.length-1;
//}


// Auxiliary Functions
// *******************

function finalizeCreationOfChildDocs(folderObj) {
  for(i=0; i < folderObj.nChildren; i++)  {
    child = folderObj.children[i];
    if (typeof child[0] != 'undefined')
    {
      // Amazingly, arrays can have members, so   a = ["a", "b"]; a.desc="asdas"   works
      // If a doc was inserted as an array, we can transform it into an itemObj by adding
      // the missing members and functions
      child.desc = child[0];
      setItemLink(child, GLOBALTARGET, child[1]);
      finalizeCreationOfItem(child);
    }
  }
}

function findObj(id)
{
  var i=0;
  var nodeObj;

//  if (typeof(JSTree.xID) != "undefined") {
  if (typeof(JSTree.uid) != "undefined") {
    nodeObj = indexOfEntries[i];
//    for(i=0; i < nEntries && indexOfEntries[i].xID != id; i++) {} //may need optimization
    for(i=0; i < nEntries && indexOfEntries[i].uid != id; i++) {} //may need optimization
    id = i;
  }
  if (id >= nEntries)
    return null; //example: node removed in DB
  else
    return indexOfEntries[id];
}

function findObjByUid(uid)
{
 for (var i=0; i < nEntries; i++) {if (indexOfEntries[i].uid == uid) return indexOfEntries[i];}
 return null;
}

function isJScript(hrefText) {
    var result = true;
    result = (result && hrefText !=null);
    result = (result && hrefText != '');
    result = (result && hrefText.indexOf('undefined') < 0);
    result = (result && hrefText.indexOf('parent.op') < 0);
    var lhrefText = hrefText.toLowerCase();
    result = (result && lhrefText.indexOf('javascript:') >= 0);
    return result;
}

function isLinked(hrefText) {
    var result = true;
    result = (result && hrefText !=null);
    result = (result && hrefText != '');
    result = (result && hrefText.indexOf('undefined') < 0);
    result = (result && hrefText.indexOf('parent.op') < 0);
    return result;
}

// Do highlighting by changing background and foreg. colors of folder or doc text
function highlightObjLink(nodeObj, cookieName) {
 if (typeof(cookieName) == 'undefined') cookieName = 'highlightedTreeviewLink';

  if (!HIGHLIGHT || nodeObj==null || nodeObj.maySelect==false) {//node deleted in DB
    return;
  }
  if (browserVersion == 1 || browserVersion == 3) {
    var clickedDOMObj = getElById('itemTextLink'+nodeObj.id);
    if (clickedDOMObj != null) {
        if (selectedNode != null) {
            var prevClickedDOMObj = getElById('itemTextLink'+selectedNode.id);
            if (lastClickedColor != null && typeof(lastClickedColor) != 'undefined') prevClickedDOMObj.style.color=lastClickedColor;                 // KCW: Added check for null and undefined
            if (lastClickedBgColor != null && typeof(lastClickedBgColor) != 'undefined') prevClickedDOMObj.style.backgroundColor=lastClickedBgColor; // KCW: Added check for null and undefined
        }
        lastClickedColor    = clickedDOMObj.style.color;
        lastClickedBgColor  = clickedDOMObj.style.backgroundColor;
        clickedDOMObj.style.color=HIGHLIGHT_COLOR;
        clickedDOMObj.style.backgroundColor=HIGHLIGHT_BG;
    }
  }
  selectedNode = nodeObj;

  if (PRESERVESTATE)
  {
    SetCookie(cookieName, nodeObj.getID());
  }
}

function insFld(parentFolder, childFolder)
{
  return parentFolder.addChild(childFolder);
}

function insDoc(parentFolder, document)
{
  return parentFolder.addChild(document);
}

function gFld(description, hreference, Auid, Atitle, AiconSrc, AiconSrcClosed, Acms, Amenu)  // Modified by KCW
{
  if (NOBREAK) description = '<nobr>' + description + '</nobr>';	// Added by KCW

  folder = new Folder(description, hreference);

//  if (Auid != null && typeof(Auid) == 'number') {folder.uid = Auid; folder.xID = Auid;}						// Added by KCW
  if (Auid != null && typeof(Auid) == 'number') folder.uid = Auid;                  						// Added by KCW
  if (Atitle != null && typeof(Atitle) == 'string') folder.title = Atitle;									// Added by KCW
  if (AiconSrc != null && typeof(AiconSrc) == 'string') folder.iconSrc = AiconSrc;							// Added by KCW
  if (AiconSrcClosed != null && typeof(AiconSrcClosed) == 'string') folder.iconSrcClosed = AiconSrcClosed;	// Added by KCW
  if (Acms != null && typeof(Acms) == 'number') folder.cms = Acms;		                                    // Added by KCW
  if (Amenu != null && typeof(Amenu) == 'number') folder.menu = Amenu;		                                // Added by KCW

  return folder;
}

function gLnk(optionFlags, description, linkData, Auid, Atitle, AiconSrc, Acms, Amenu)  // Modified by KCW
{
  if (NOBREAK) description = '<nobr>' + description + '</nobr>';	// Added by KCW

  if (optionFlags>=0) { //is numeric (old style) or empty (error)
    //Target changed from numeric to string in Aug 2002, and support for numeric style was entirely dropped in Mar 2004
    alert("Change your Treeview configuration file to use the new style of target argument in gLnk");
    return;
  }

  newItem = new Item(description);
  setItemLink(newItem, optionFlags, linkData);

//  if (Auid != null && typeof(Auid) == 'number') {newItem.uid = Auid; newItem.xID;}		// Added by KCW
  if (Auid != null && typeof(Auid) == 'number') newItem.uid = Auid;             		// Added by KCW
  if (Atitle != null && typeof(Atitle) == 'string') newItem.title = Atitle;				// Added by KCW
  if (AiconSrc != null && typeof(AiconSrc) == 'string') newItem.iconSrc = AiconSrc;		// Added by KCW
  if (Acms != null && typeof(Acms) == 'number') newItem.cms = Acms;		                // Added by KCW
  if (Amenu != null && typeof(Amenu) == 'number') newItem.menu = Amenu;		            // Added by KCW

  return newItem;
}

function setItemLink(item, optionFlags, linkData) {
  var targetFlag = "";
  var target = "";
  var protocolFlag = "";
  var protocol = "";

  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:";
  }

  if (linkData == '')  // Added by KCW
  {
   item.link = '';
   item.target = '';
  }
  else
  {
   item.link = protocol+linkData;
   item.target = target;
  }

  if (linkData == '') item.maySelect = false;  // Added by KCW
}

//Function created  for backwards compatibility purposes
//Function contents voided in March 2004
function oldGLnk(target, description, linkData)
{
}

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)
    clickOnNodeObj(JSTree);

  if (!STARTALLOPEN && (browserVersion > 0) && PRESERVESTATE)
		PersistentFolderOpening();
}

//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 PRESERVESTATE variable is set to 1 (default 0)
// The separator currently in use is ^ (chr 94)
// ***********************************************************

function PersistentFolderOpening()
{
  var stateInCookie;
  var fldStr="";
  var fldArr;
  var fldPos=0;
  var id;
  var nodeObj;
  stateInCookie = GetCookie("clickedFolder");
  SetCookie('clickedFolder', ""); //at the end of function it will be back, minus null cases

  if(stateInCookie!=null)
  {
    fldArr = stateInCookie.split(cookieCutter);
    for (fldPos=0; fldPos<fldArr.length; fldPos++)
    {
      fldStr=fldArr[fldPos];
      if (fldStr != "")
      {
        nodeObj = findObj(fldStr);
        if (nodeObj!=null) //may have been deleted
        {
          if (nodeObj.setState)
          {
            nodeObj.forceOpeningOfAncestorFolders();
            clickOnNodeObj(nodeObj);
          }
//          else
//            alert("Internal id is not pointing to a folder anymore.\nConsider giving an ID to the tree and external IDs to the individual nodes.");   // commented by KCW
        }
      }
    }
  }
}

function storeAllNodesInClickCookie(treeNodeObj)
{
  var currentOpen;
  var i = 0;

  if (typeof treeNodeObj.setState != "undefined") //is folder
  {
    currentOpen = GetCookie("clickedFolder");
    if (currentOpen == null)
      currentOpen = "";

    if (treeNodeObj.getID() != JSTree.getID())
      SetCookie("clickedFolder", currentOpen+treeNodeObj.getID()+cookieCutter);

    for (i=0; i < treeNodeObj.nChildren; i++)
        storeAllNodesInClickCookie(treeNodeObj.children[i]);
  }
}

function CookieBranding(name) {
  if (typeof JSTree.treeID != "undefined")
    return name+JSTree.treeID; //needed for multi-tree sites. make sure treeId does not contain cookieCutter
  else
    return name;
}

function GetCookie(name)
{
  name = CookieBranding(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

  name = CookieBranding(name)

	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}

function ExpireCookie (name)
{
	var exp = new Date();
	exp.setTime (exp.getTime() - 1);
	var cval = GetCookie (name);
  name = CookieBranding(name);
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}


//To customize the tree, overwrite these variables in the configuration file (demoFramesetNode.js, etc.)
var USETEXTLINKS = 0;
var STARTALLOPEN = 0;
var USEFRAMES = 1;
var USEICONS = 1;
var WRAPTEXT = 0;
var PERSERVESTATE = 0; //backward compatibility
var PRESERVESTATE = 0;
var ICONPATH = '';
var HIGHLIGHT = 0;
var HIGHLIGHT_COLOR = 'white';
var HIGHLIGHT_BG    = '#316AC5';
var BUILDALL = 0;
var GLOBALTARGET = "R"; // variable only applicable for addChildren uses


//Other variables
var selectedNode = null;
var lastClickedColor;
var lastClickedBgColor;
var indexOfEntries = new Array;
var nEntries = 0;
var browserVersion = 0;
var selectedFolder=0;
var lastOpenedFolder=null;
//var t=5;
var doc = document;
var supportsDeferral = false;
var cookieCutter = '^'; //You can change this if you need to use ^ in your xID or treeID values

doc.yPos = 0;

// Main function
// *************

// This function uses an object (navigator) defined in
// ua.js, imported in the main html page (left frame).
function initializeDocument(cookieName)
{
 if (typeof(cookieName) == 'undefined') cookieName = 'highlightedTreeviewLink';

  preLoadIcons();
  switch(navigator.family)
  {
    case 'ie4':
      browserVersion = 1; //Simply means IE > 3.x
      break;
    case 'opera':
      browserVersion = (navigator.version > 6 ? 1 : 0); //opera7 has a good DOM
      break;
    case 'nn4':
      browserVersion = 2; //NS4.x
      break;
    case 'gecko':
      browserVersion = 3; //NS6.x
      break;
    case 'safari':
      browserVersion = 1; //Safari Beta 3 seems to behave like IE in spite of being based on Konkeror
      break;
	default:
      browserVersion = 0; //other, possibly without DHTML
      break;
  }

  // backward compatibility
  if (PERSERVESTATE)
    PRESERVESTATE = 1;

  supportsDeferral = ((navigator.family=='ie4' && navigator.version >= 5 && navigator.OS != "mac") || browserVersion == 3);
  supportsDeferral = supportsDeferral & (!BUILDALL);
  if (!USEFRAMES && browserVersion == 2)
  	browserVersion = 0;
//  eval(String.fromCharCode(116,61,108,100,40,41));
//  t=ld();
//alert ('t = ' + t);
//  t =  document.links.length-1;
//alert ('t = ' + t);
//  t = 0;

  //If PRESERVESTATE is on, STARTALLOPEN can only be effective the first time the page
  //loads during the session. For subsequent (re)loads the PRESERVESTATE data stored
  //in cookies takes over the control of the initial expand/collapse
//  if (PRESERVESTATE && GetCookie("clickedFolder") != null)  // KCW: I need all my folders to be open all the time
//    STARTALLOPEN = 0;

  //JSTree (with the site's data) is created in an external .js (demoFramesetNode.js, for example)
  JSTree.initialize(0, true, "");

  if (supportsDeferral && !STARTALLOPEN) {
      JSTree.renderOb(null); //delay construction of nodes
  }

  else {
    renderAllTree(JSTree, null);

    if (PRESERVESTATE && STARTALLOPEN)
      storeAllNodesInClickCookie(JSTree);

    //To force the scrollable area to be big enough
    if (browserVersion == 2)
      doc.write("<layer top=\"" + indexOfEntries[nEntries-1].navObj.top + "\">&nbsp;</layer>");

    if (browserVersion != 0 && !STARTALLOPEN)
      hideWholeTree(JSTree, false, 0);
  }

  setInitialLayout();

  if (PRESERVESTATE && GetCookie(cookieName)!=null  && GetCookie(cookieName)!="") {
    var nodeObj = findObj(GetCookie(cookieName));
    if (nodeObj!=null){
      nodeObj.forceOpeningOfAncestorFolders();
      highlightObjLink(nodeObj, cookieName);
    }
    else
      SetCookie(cookieName, '');
  }
}

