// Global variables 
// **************** 
  
indexOfEntries = new Array() 
nEntries = 0 
doc = document 
browserVersion = 0 
selectedFolder=0
CurrentURL = ""
ActiveNode = 0
CurrentParent = 0
NodeNumber = 40

Path="http://www.montegodata.co.uk/Images/"
workspace=""; // "top.fraContentFrame.fraContent"

function SetImagePath(dir) { Path = dir		 }
function SetWorkspace(dir) { workspace = dir }

function actPage(u)
{
	var sRef = window.location.href;
	while ( sRef.indexOf("/") != -1 ) sRef=sRef.substring(sRef.indexOf("/") + 1, sRef.length);
	var nCount=parent.document.getElementsByTagName("iframe").length;
	var bNext=0;

	for ( var j = nCount-1 ; j >= 0 ; j-- )
	{
		if ( bNext==1 ){parent.document.getElementsByTagName("iframe").item(j).src = u; bNext=0}		
		if ( parent.document.getElementsByTagName("iframe").item(j).src.indexOf(sRef) != -1 )
		{
			bNext=1;
		}
	}
}

function action(u)
{
	try
	{
		if (parent.parent.getActiveWin)
		{	
			actPage(u);						
		}
		else
		{	
			if (workspace=="addWindow()&&parent.parent.getActiveWin") 
			{
				eval( "parent.parent.addWindow('"+ u + "','" + u + "',' ',	5, 25,500,400)"	);			
			}
			else
			{
				eval(workspace+".location=u");
			} 
		}
	}
	catch ( exception  )
	{
		actPage(u);
	}
}


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 
 
  //dynamic data 
  this.isOpen = true 
  this.iconSrc = Path + "ftv2folderopen.gif"   
  this.children = new Array 
  this.nChildren = 0 
 
  //methods 
  this.initialize = initializeFolder 
  this.setState = setStateFolder 
  this.addChild = addChild 
  this.createIndex = createEntryIndex 
  this.hide = hideFolder 
  this.display = display 
  this.renderOb = drawFolder 
  this.totalHeight = totalHeight 
  this.subEntries = folderSubEntries 
  this.outputLink = outputFolderLink 
} 
 
function setStateFolder(isOpen) 
{ 
  var subEntries 
  var totalHeight 
  var fIt = 0 
  var i=0 
 
  if (isOpen == this.isOpen) 
    return 
 
  if (browserVersion == 2) //NS4 
  { 
    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 

  propagateChangesInState(this) 
} 
 
function propagateChangesInState(folder) 
{   
  var i=0 
  if (folder.isOpen) 
  { 
    if (folder.nodeImg) 
    {  if (folder.isLastNode) 
        folder.nodeImg.src = Path + "ftv2mlastnode.gif" 
      else 
		folder.nodeImg.src = Path + "ftv2mnode.gif" 
    }
	folder.iconImg.src = Path + "ftv2folderopen.gif" 
    for (i=0; i<folder.nChildren; i++) 
    {
	  folder.children[i].display() 
	}
  } 
  else 
  { 
    if (folder.nodeImg) 
    {
	  if (folder.isLastNode) 
        folder.nodeImg.src = Path + "ftv2plastnode.gif" 
      else 
	    folder.nodeImg.src = Path + "ftv2pnode.gif" 
    }
	folder.iconImg.src = Path + "ftv2folderclosed.gif" 
    for (i=0; i<folder.nChildren; i++) 
    {
	  folder.children[i].hide() 
	}
  }  
} 
 	
function initializeFolder(level, lastNode, leftSide) 
{ 
var j=0 
var i=0 
var numberOfFolders 
var numberOfDocs 
var nc 
      
  nc = this.nChildren 
   
  this.createIndex() 
 
  var auxEv = "" 
 
  if (browserVersion > 0) 
    auxEv = "<a href='javascript:clickOnNode("+this.id+")'>" 
  else 
    auxEv = "<a>" 
  
  NodeNumber = this.id
  if (level>0) 
    if (lastNode) //the last 'brother' in the children array 
    { 
      this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' src='" + Path + "ftv2mlastnode.gif' height=22 border=0></a>") 
      
	  leftSide = leftSide + "<img border='0' src='" + Path + "ftv2blank.gif' height=22>"  
      this.isLastNode = 1 
    } 
    else 
    { 
      this.renderOb(leftSide + auxEv + "<img border='0' name='nodeIcon" + this.id + "' src='" + Path + "ftv2mnode.gif' height=22 border=0></a>") 
      leftSide = leftSide + "<img border='0' src='" + Path + "ftv2vertline.gif' height=22>" 
      this.isLastNode = 0 
    } 
  else 
    this.renderOb("") 
   
  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(leftSide) 
{ 
  if (browserVersion == 2) // NS4
  { 
    if (!doc.yPos) 
      doc.yPos=8 
    doc.write("<layer id='folder" + this.id + "' top=" + doc.yPos + " visibility=hiden>") 
  } 
   
  doc.write("<table ") 
  if (browserVersion == 1) // IE4
    doc.write(" id='folder" + this.id + "' style='position:block;' ") 

  doc.write(" border=0 cellspacing=0 cellpadding=0><tr><td valign='top'>") 
  doc.write(leftSide) 
  this.outputLink() 
  doc.write("<img name='folderIcon" + this.id + "' ") 
  doc.write("src='" + this.iconSrc+"' border=0></a>") 
  doc.write("</td><td valign=middle nowrap>") 
  this.outputLink() 
  doc.write(this.desc + "</a></td></table>") 
   
  if (browserVersion == 2) 
  { 
    doc.write("</layer>") 
  } 
 
  if (doc.all) // browserVersion == 1) 
  { 
    this.navObj  = doc.all["folder"+this.id] 
    this.iconImg = doc.all["folderIcon"+this.id] 
    this.nodeImg = doc.all["nodeIcon"+this.id] 
  } 			  
  else if ( doc.getElementById&&!doc.all )
  {
    this.navObj  = doc.getElementById( "folder"+this.id ) 
    this.iconImg = doc.images["folderIcon"+this.id] 
    this.nodeImg = doc.images["nodeIcon"+this.id] 
  }
  else if (browserVersion == 2)  //NS4 
  { 
    this.navObj  = doc.layers["folder"+this.id] 
    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 
  } 
} 
 
function outputFolderLink() 
{ 
  if (this.hreference) 
  { 
    doc.write("<a href='" + this.hreference + "'") 
    if (browserVersion > 0) 
      doc.write("onClick='javascript:clickOnFolder("+this.id+")'") 
    doc.write(">") 
  } 
  else 
    doc.write("<a>") 
//  doc.write("<a href='javascript:clickOnFolder("+this.id+")'>")   
} 
 
function addChild(childNode) 
{ 
  this.children[this.nChildren] = childNode 
  this.nChildren++ 
  return childNode 
} 
 
function folderSubEntries() 
{ 
  var i = 0 
  var se = this.nChildren 
 
  for (i=0; i < this.nChildren; i++){ 
    if (this.children[i].children) //is a folder 
      se = se + this.children[i].subEntries() 
  } 
 
  return se 
} 
 
 
// Definition of class Item (a document or link inside a Folder) 
// ************************************************************* 
 
function Item(itemDescription, itemLink) // Constructor 
{ 
  // constant data 
  this.desc    = itemDescription 
  this.link    = itemLink
  this.id      = -1 //initialized in initalize() 
  this.navObj  = 0 //initialized in render() 
  this.iconImg = 0 //initialized in render() 
  this.iconSrc = Path + "ftv2doc.gif" 
 
  // methods 
  this.initialize  = initializeItem 
  this.createIndex = createEntryIndex 
  this.hide        = hideItem 
  this.display     = display 
  this.renderOb    = drawItem 
  this.totalHeight = totalHeight 
} 

function hideFolder() 
{ 
  if (browserVersion==0||browserVersion == 1) //IE4 == 1
  { 
    this.navObj.style.display = "none" 
  } 
  else if ( browserVersion == 2 ) //NS4 
  { 
    this.navObj.visibility = "hiden" 
  } 
   
  this.setState(0) 
} 
 
 
function hideItem() 
{ 
  if (browserVersion==0||browserVersion == 1) 
  { 
    if (this.navObj.style.display == "none") 
      return 
    this.navObj.style.display = "none" 
  } 
  else if (browserVersion==2)
  { 
    this.navObj.visibility = "hiden" 
  }     
} 
 
function initializeItem(level, lastNode, leftSide) 
{  
  this.createIndex() 
 
  if (level>0) 
    if (lastNode) //the last 'brother' in the children array 
    { 
      this.renderOb(leftSide + "<img src='" + Path + "ftv2lastnode.gif' height=22>") 
      leftSide = leftSide + "<img src='" + Path + "ftv2blank.gif' height=22>"  
    } 
    else 
    { 
      this.renderOb(leftSide + "<img src='" + Path + "ftv2node.gif' height=22>") 
      leftSide = leftSide + "<img src='" + Path + "ftv2vertline.gif' height=22>" 
    } 
  else 
    this.renderOb("")   
} 
 
function drawItem(leftSide) 
{ 
	if (browserVersion == 2) 
		doc.write("<layer id='item" + this.id + "' top=" + doc.yPos + " visibility=hiden>") 

	doc.write("<table ") 
	if (browserVersion == 1) 
		doc.write(" id='item" + this.id + "' style='position:block;' ") 
	
	doc.write(" border=0 cellspacing=0 cellpadding=0>") 
	doc.write("<tr><td valign='top'>") 
	doc.write(leftSide) 
	if (this.link == "Active")
	{
		doc.write("<img id='itemIcon"+this.id+"' ") 
		doc.write("src='" + Path + "purple_pac.gif' border=0>") 
		CurrentParent = NodeNumber
	}
	else
	{	
		doc.write("<img id='itemIcon"+this.id+"' ") 
		doc.write("src='"+this.iconSrc+"' border=0>") 
	}

	doc.write("</td><td valign=middle nowrap>") 

	
 		if (this.link == "Active")
			doc.write("<B>" + this.desc + "</B>")
		else
		{
			var strLink = this.link
			if (strLink.indexOf("?") > 0)
			{	
				doc.write("<a href=" + this.link + "&ActiveFolder=" + NodeNumber+ ">" + this.desc + "</a>") 
			}
			else
			{	
				if ( workspace.length == 0 )
					doc.write("<a href=" + this.link + "?ActiveFolder=" + NodeNumber+ ">" + this.desc + "</a>") 
				else
					doc.write( "<a href='javascript:action(\"" + this.link + "\");'>" + this.desc + "</a>")
			}
		}
 	
	doc.write("</table>") 

	if (browserVersion == 2) 
		doc.write("</layer>") 

	if (doc.all ) // browserVersion == 1) 
	{ 
		this.navObj  = doc.all["item"+this.id] 
		this.iconImg = doc.all["itemIcon"+this.id] 
	} 
	else if ( doc.getElementById&&!doc.all )
	{
		this.navObj  = doc.getElementById( "item"+this.id ) 
		this.iconImg = doc.images["itemIcon"+this.id] 
	}
	else if (browserVersion == 2) 
	{ 
		this.navObj = doc.layers["item"+this.id] 
		this.iconImg = this.navObj.document.images["itemIcon"+this.id] 
		doc.yPos=doc.yPos+this.navObj.clip.height 
	} 
} 
 
 
// Methods common to both objects (pseudo-inheritance) 
// ******************************************************** 

function display() 
{ 
  if (browserVersion == 1) 
    this.navObj.style.display = "block" 
  else 
    this.navObj.visibility = "show" 
} 
 
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 
} 
 
 
// Events 
// ********************************************************* 
 
function clickOnFolder(folderId) 
{ 
  var clicked = indexOfEntries[folderId] 
 
  if (!clicked.isOpen) 
    clickOnNode(folderId) 
 
  return  
 
  if (clicked.isSelected) 
    return 
} 
 
function clickOnNode(folderId) 
{ 
  var clickedFolder = 0 
  var state = 0 
 
  clickedFolder = indexOfEntries[folderId] 
  state = clickedFolder.isOpen 

/*
	need to check state
	add/subtract to insDoc() in YOUR js means change YOUR clickOnNode
*/
  clickedFolder.setState(!state) //open<->close  
} 
 
function initializeURL(ActiveURL)
{
	CurrentURL = ActiveURL
} 

function initializeDocument(ActiveFolder) 
{ 

  if (doc.all || doc.getElementById&&!doc.all) 
  {
    browserVersion = 1 //IE4   
  }
  else 
  {
    if (doc.layers) 
      browserVersion = 2 //NS4 
    else 
      browserVersion = 0 //other 
  }


  foldersTree.initialize(0, 1, "") 

  foldersTree.display()
  
  if (browserVersion > 0 ) 
  { 
    doc.write("<layer top="+indexOfEntries[nEntries-1].navObj.top+">&nbsp;</layer>") 
 
    // close the whole tree 
    clickOnNode(0) 
    // open the root folder 
    clickOnNode(0) 
    if (ActiveFolder != '0')
	{
		clickOnNode(ActiveFolder)
		ActiveNode = ActiveFolder; 
	}
	else
	{
		if (CurrentParent != 0)
			clickOnNode(CurrentParent);
	}
  } 
} 
 
// Auxiliary Functions for Folder-Treee backward compatibility 
// ********************************************************* 
 
function gFld(description, hreference) 
{ 
  folder = new Folder(description, hreference) 
  return folder 
} 
 
function gLnk(target, description, linkData) 
{ 
  fullLink = "" 
  var strLink = linkData

  //see if there are any parameters attached to URL
//	if (strLink.indexOf("?") > 0)
//			{
//				strLink = strLink.substring(0, strLink.indexOf("?"))
//			}
  
 	if (strLink == CurrentURL)
	{
		fullLink = "Active"
		linkItem = new Item(description, fullLink)   
		return linkItem 
	}

	if (target==0) 
	{ 
	  fullLink = linkData 
	} 
	else 
	{ 
	  //if (target==1) 
	  //   fullLink = "'http://"+linkData+"'" 
	  //else 
	       fullLink = "'http://"+linkData+"'" 
	} 
 
	linkItem = new Item(description, fullLink) 
	  
	return linkItem 
} 
 
function insFld(parentFolder, childFolder) 
{ 
  return parentFolder.addChild(childFolder) 
} 
 
function insDoc(parentFolder, document) 
{ 
  parentFolder.addChild(document) 
} 
 
////////////////////////////////////////

//function doMouseover() 
//{
//	objSrc = window.event.srcElement
//	if (objSrc.className == "clsMenuItem") 
//	{
//		objSrc.style.color = "blue"
//	}
//}

//function doMouseout() 
//{
//	objSrc = window.event.srcElement
//	if (objSrc.className == "clsMenuItem") 
//	{
//		objSrc.style.color = "black"
//	}
//}

//document.onmouseover = doMouseover
//document.onmouseout  = doMouseout