// Definition of class Folder 
// ***************************************************************** 
function Folder(folderDescription, hreference,checkboxId,chkValue) //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.children = new Array;
  this.nChildren = 0;
  this.level = 0;
  this.leftSideCoded = "";
  this.isLastNode=false;
  this.parentObj = null;
  this.maySelect=true;
  this.prependHTML = ""
  this.chkId = checkboxId
  this.checked = chkValue;
 
  //dynamic data 
  this.isOpen = false
  this.isLastOpenedFolder = false
  this.isRendered = 0
 
  //methods 
  this.initialize = initializeFolder 
  this.setState = setStateFolder 
  this.addChild = addChild 
  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 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>"

  this.isRendered = 1

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

  docW = this.blockStartHTML("folder");

  docW = docW + "<tr>" + leftSide + "<td valign=top>";
  if(this.chkId > "")
		docW = docW + "<input type=checkbox id="+ this.chkId +" onclick='javascript:clickOnCheckbox(\""+this.getID()+"\")'>"
  
  if (WRAPTEXT) 
	  docW = docW + "</td><td valign=middle width=100%>"
  else 
	  docW = docW + "</td><td valign=middle nowrap width=100%>"

  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()!=foldersTree.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) 
} 
 
// removed function linkFolderHTML(isTextLink) ##########################################

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

//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)
} 
 

// ############### removed function Item(itemDescription) ###########################

// ############### removed function finalizeCreationOfItem(itemArray) ###########################


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

// ################### removed function drawItem(insertAtObj) ###########################

 
 
// 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 (!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% id=treenavTable >"

  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
}

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 (typeof this.xID != "undefined") 
    return this.xID
  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 foldersTree 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 foldersTree.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!=foldersTree.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)
  }
}

// checkbox functions //

// initialisation functions
function setInitialCheckedValues()
 {
 //root of tree has id of zero
  var fOb = findObj(0);
 
	if (typeof fOb=='undefined' || fOb==null)
		return;

	var i;
	
	if (fOb.nChildren!=0) 
	{
		for(i=0;i<fOb.nChildren;i++)
			{
			
			getElById(fOb.children[i].chkId).checked = fOb.children[i].checked
			setChildInitialCheckedValues(fOb.children[i])
			checkboxCheckRoot(fOb.children[i],fOb.children[i])		
			}
	}
 }
 
function setChildInitialCheckedValues(chkObj)
 {
  var i;
  if (chkObj.nChildren!=0) 
    { 
		for(i=0;i<chkObj.nChildren;i++)
		  {
			getElById(chkObj.children[i].chkId).checked = chkObj.children[i].checked
			if(chkObj.children[i].checked==true){
				getElById(chkObj.chkId).checked = true;
				// set all parents to checked (except top level 'All' checkbox)
				setParentsToChecked(chkObj)
				}
				
			setChildInitialCheckedValues(chkObj.children[i])				
		  }	 
	}
 }

function setParentsToChecked(chkObj)
 {
	var objParent = chkObj.parentObj
	if(objParent != null)
	  {
		var oPar = objParent.parentObj
		if(oPar != null)
		   {
		   getElById(chkObj.chkId).checked = true;
		   setParentsToChecked(objParent)
		   }
	 }
 }
 
 // functions handling the click event by the user
function clickOnCheckbox(folderId) 
{ 
  var fOb = findObj(folderId);
 
  if (typeof fOb=='undefined' || fOb==null)
    return;
  
  var state = getElById(fOb.chkId).checked
	
  clickOnCheckboxObj(fOb,state)
  
  checkboxParentPaths(fOb,state)
}

function clickOnCheckboxObj(chkObj,state) 
{ 
  var i;
  if (chkObj.nChildren!=0) 
    {
		for(i=0;i<chkObj.nChildren;i++)
		  {
			getElById(chkObj.children[i].chkId).checked = state
			clickOnCheckboxObj(chkObj.children[i],state)			
		  }
	}
}

function checkboxParentPaths(chkObj,bChecked)
  {
	var objParent = chkObj.parentObj
	if(objParent != null)
	  {
		//as only one tree per page is allowed, there is a common blank root
		//so root of this tree is last but one node up the tree
		var oPar = objParent.parentObj
		if(oPar != null)
		   {
			if(bChecked)
				{
				getElById(objParent.chkId).checked = true
				}
			else
				{
					var bflag = true;
					var i;
					if (objParent.nChildren!=0) 
						{
							for(i=0;i<objParent.nChildren;i++)
							{
							if(checkboxIsChecked(objParent.children[i]))
								bflag = false;
							}
							if(bflag)
								getElById(objParent.chkId).checked = false
						}
				  }
			 checkboxParentPaths(objParent,bChecked)
			}
		else
			{
			//at this trees root node, see if anything is unchecked and uncheck the root if true
			checkboxCheckRoot(chkObj,chkObj)
			}	
	  }
  }
  
 function checkboxIsChecked(Obj)
   {
	if(getElById(Obj.chkId).checked == true)
		return true;
	else
		return false;
   }
   
 function checkboxCheckRoot(chkObjRoot,chkObj)
   {
	var i;
	if (chkObj.nChildren!=0) 
		{
			for(i=0;i<chkObj.nChildren;i++)
			{
				if(!checkboxIsChecked(chkObj.children[i])){
					getElById(chkObjRoot.chkId).checked = false
					return;
					}
				checkboxCheckRoot(chkObjRoot,chkObj.children[i])
			}
		}
   }
//end checkbox functions


function clickOnLink(clickedId, target, windowName) {
    highlightObjLink(findObj(clickedId));
    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 foldersTree.xID != "undefined") {
    nodeObj = indexOfEntries[i];

    for(i=0;i<nEntries&&indexOfEntries[i].xID!=id;i++) //may need optimization
      ;
    id = i
  }

  if (id >= nEntries)
    return null; //example: node removed in DB
  else
    return indexOfEntries[id];
}

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) {
  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 (lastClicked != null) {
            var prevClickedDOMObj = getElById('itemTextLink'+lastClicked.id);
            prevClickedDOMObj.style.color=lastClickedColor;
            prevClickedDOMObj.style.backgroundColor=lastClickedBgColor;
        }
        
        lastClickedColor    = clickedDOMObj.style.color;
        lastClickedBgColor  = clickedDOMObj.style.backgroundColor;
        clickedDOMObj.style.color=HIGHLIGHT_COLOR;
        clickedDOMObj.style.backgroundColor=HIGHLIGHT_BG;
    }
  }
  lastClicked = nodeObj;
  if (PRESERVESTATE)
    SetCookie('highlightedTreeviewLink', nodeObj.getID());
}

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

function gFld(description, hreference, chkId, chkValue) 
{ 
  folder = new Folder(description, hreference,chkId,chkValue);
  return folder;
} 
 
function gLnk(optionFlags, description, linkData) 
{ 
  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);
  return newItem;
} 

// ######## removed function setItemLink(item, optionFlags, linkData) ###################################################


//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(foldersTree);
  
  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.")
      }
    }
  }
}

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() != foldersTree.getID())
      SetCookie("clickedFolder", currentOpen+treeNodeObj.getID()+cookieCutter)

    for (i=0; i < treeNodeObj.nChildren; i++) 
        storeAllNodesInClickCookie(treeNodeObj.children[i])
  }
}

function CookieBranding(name) {
  if (typeof foldersTree.treeID != "undefined")
    return name+foldersTree.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 = 0;
var USEICONS = 0;
var WRAPTEXT = 0;
var PERSERVESTATE = 0; //backward compatibility
var PRESERVESTATE = 1;
var ICONPATH = 'images/';
var HIGHLIGHT = 0;
var HIGHLIGHT_COLOR = 'white';
var HIGHLIGHT_BG    = 'blue';
var BUILDALL = 1;
var GLOBALTARGET = "R"; // variable only applicable for addChildren uses


//Other variables
var lastClicked = 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
function initializeDocument() 
{ 
  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))

  //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)
    STARTALLOPEN = 0

  //foldersTree (with the site's data) is created externally
  foldersTree.initialize(0, true, "") 
  if (supportsDeferral && !STARTALLOPEN) {
      foldersTree.renderOb(null) //delay construction of nodes
  }

  else {
    renderAllTree(foldersTree, null);

    if (PRESERVESTATE && STARTALLOPEN)
      storeAllNodesInClickCookie(foldersTree)

    //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(foldersTree, false, 0)
  }

  setInitialLayout()


  if (PRESERVESTATE && GetCookie('highlightedTreeviewLink')!=null  && GetCookie('highlightedTreeviewLink')!="") {
    var nodeObj = findObj(GetCookie('highlightedTreeviewLink'))
    if (nodeObj!=null){
      nodeObj.forceOpeningOfAncestorFolders()
      highlightObjLink(nodeObj);
    }
    else
      SetCookie('highlightedTreeviewLink', '')
  }
}