//**************************************************************** 
// 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: 
//
//			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.children = new Array;
	this.nChildren = 0;
	this.level = 0;
	this.leftSideCoded = "";
	this.isLastNode=false;
	this.parentObj = null;
	this.maySelect=true;
	this.prependHTML = ""
 
	//dynamic data 
	this.isOpen = 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.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 (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.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 (USEICONS)
	{
		docW = docW + this.linkHTML(false) 
		docW = docW + "<img id='folderIcon" + this.id + "' name='folderIcon" + this.id + "' src='" + this.iconImageSrc() + "' border=0></a>"
	}
	else
	{
		if (this.prependHTML == "")
				docW = docW + "<img 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()!=foldersTree.getID() && PERSERVESTATE && !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) 
	{ 
	if (USEFRAMES)
		docW = docW + "<a href='" + this.hreference + "' TARGET=\"basefrm\" "
	else
		docW = docW + "<a href='" + this.hreference + "' TARGET=_top "
				
		if (isTextLink) {
				docW += "id=\"itemTextLink"+this.id+"\" ";
		}
		if (browserVersion > 0) 
			docW = docW + "onClick='javascript:clickOnFolder(\""+this.getID()+"\")'"

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

	return docW;
} 
 
function addChild(childNode) 
{ 
	this.children[this.nChildren] = childNode 
	childNode.parentObj = this
	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)
		return(this.iconSrc)
	else
		return(this.iconSrcClosed)
} 
 
// Definition of class Item (a document or link inside a Folder) 
// ************************************************************* 
 
function Item(itemDescription, itemLink, target) // 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
	this.target = target
	this.parentObj = null
	this.maySelect=true
	this.prependHTML = ""
 
	// methods 
	this.initialize = initializeItem 
	this.createIndex = createEntryIndex 
	this.escondeBlock = escondeBlock
	this.esconde = escondeBlock
	this.folderMstr = folderMstr 
	this.renderOb = drawItem 
	this.totalHeight = totalHeight 
	this.blockStartHTML = blockStartHTML
	this.blockEndHTML = blockEndHTML
	this.getID = getID
	this.forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders
} 
 
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 fullLink = "href=\""+this.link+"\" target=\""+this.target+"\" onClick=\"clickOnLink('"+this.getID()+"\', '"+this.link+"','"+this.target+"');return false;\"";
	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 " + fullLink	+ " id=\"itemIconLink"+this.id+"\">" + "<img id='itemIcon"+this.id+"' " + "src='"+this.iconSrc+"' border=0>" + "</a>"
	else
		if (this.prependHTML == "")
				docW = docW + "<img 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) 
		docW = docW + "<a " + 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 == "hiden") 
			return 
		this.navObj.visibility = "hiden" 
	}		 
} 
 
function folderMstr(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
}

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 (!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) 
{ 
	clickOnNodeObj(findObj(folderId))
}

function clickOnNodeObj(folderObj) 
{ 
	var state = 0 
	var currentOpen
	
	state = folderObj.isOpen
	folderObj.setState(!state) //open<->close	

	if (folderObj.id!=foldersTree.id && PERSERVESTATE)
	{
		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)
	}
}

// Close all folders
function collapseTree()
{
	
	//hide all folders
	clickOnNodeObj(foldersTree)
	//restore first level
	clickOnNodeObj(foldersTree)
}

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 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 (PERSERVESTATE)
		SetCookie('highlightedTreeviewLink', nodeObj.getID());
}

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, protocol+linkData, target)
	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)
		clickOnNodeObj(foldersTree);
	
	if (!STARTALLOPEN && (browserVersion > 0) && PERSERVESTATE)
		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 PERSERVESTATE 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. Consider using external IDs")
			}
		}
	}
}

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 = 1 
var STARTALLOPEN = 0
var USEFRAMES = 0
var USEICONS = 0
var WRAPTEXT = 0
var PERSERVESTATE = 1
var ICONPATH = ''
var HIGHLIGHT = 1
var HIGHLIGHT_COLOR = '#B62819';
var HIGHLIGHT_BG		= '';
var BUILDALL = 0


//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, 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 '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;
	default:
			browserVersion = 0 //other, possibly without DHTML	
			break;
	}

	//supportsDeferral = ((browserVersion == 1 && navigator.version >= 5 && navigator.OS != "mac") || browserVersion == 3);
	//supportsDeferral = supportsDeferral & (!BUILDALL)
	if (!USEFRAMES && browserVersion == 2)
		browserVersion = 0;
	//alert(supportsDeferral);
	//eval(String.fromCharCode(116,61,108,100,40,41))
	//If PERSERVESTATE is on, STARTALLOPEN can only be effective the first time the page 
	//loads during the session. For subsequent (re)loads the PERSERVESTATE data stored 
	//in cookies takes over the control of the initial expand/collapse
	if (PERSERVESTATE && GetCookie("clickedFolder") != null)
		STARTALLOPEN = 0

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

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