//**************************************************************** 
		// You are free to copy the "Folder-Tree" script as long as you  
		// keep this copyright notice: 
		// Script found in: http://www.geocities.com/Paris/LeftBank/2178/ 
		// Author: Marcelino Alves Martins (martins@hks.com) December '97. 
		//**************************************************************** 
		 
		//Log of changes: 
		//       17 Feb 98 - Fix initialization flashing problem with Netscape
		//       
		//       27 Jan 98 - Root folder starts open; support for USETEXTLINKS; 
		//                   make the ftien4 a js file 
		//       
		// 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 
		 
		  //dynamic data 
		  this.isOpen = true 
		  this.iconSrc = "images/sitemap/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)  
		  { 
		    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 = "images/sitemap/ftv2mlastnode.gif" 
		      else 
			  folder.nodeImg.src = "images/sitemap/ftv2mnode.gif" 
		    folder.iconImg.src = "images/sitemap/ftv2folderopen.gif" 
		    for (i=0; i<folder.nChildren; i++) 
		      folder.children[i].display() 
		  } 
		  else 
		  { 
		    if (folder.nodeImg) 
		      if (folder.isLastNode) 
		        folder.nodeImg.src = "images/sitemap/ftv2plastnode.gif" 
		      else 
			  folder.nodeImg.src = "images/sitemap/ftv2pnode.gif" 
		    folder.iconImg.src = "images/sitemap/ftv2folderclosed.gif" 
		    for (i=0; i<folder.nChildren; i++) 
		      folder.children[i].hide() 
		  }  
		} 
		 
		function hideFolder() 
		{ 
		  if (browserVersion == 1) { 
		    if (this.navObj.style.display == "none") 
		      return 
		    this.navObj.style.display = "none" 
		  } else { 
		    if (this.navObj.visibility == "hiden") 
		      return 
		    this.navObj.visibility = "hiden" 
		  } 
		   
		  this.setState(0) 
		} 
		 
		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 class=DocLink href='javascript:clickOnNode("+this.id+")'>" 
			auxEv = "<a class=sitemap1 href='javascript:clickOnNode("+this.id+")'>" 
		  else 
		    auxEv = "<a class=sitemap1>" 
		 
		  if (level>0) 
		    if (lastNode) //the last 'brother' in the children array 
		    { 
		      this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' src='images/sitemap/ftv2mlastnode.gif' width=16 height=22 border=0></a>") 
		      leftSide = leftSide + "<img src='images/sitemap/ftv2blank.gif' width=16 height=22>"  
		      this.isLastNode = 1 
		    } 
		    else 
		    { 
		      this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' src='images/sitemap/ftv2mnode.gif' width=16 height=22 border=0></a>") 
		      leftSide = leftSide + "<img src='images/sitemap/ftv2vertline.gif' width=16 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) { 
		    if (!doc.yPos) 
		      doc.yPos=8 
		    doc.write("<layer id='folder" + this.id + "' top=" + doc.yPos + " visibility=hiden>") 
		  } 
		   
		  doc.write("<table ") 
		  if (browserVersion == 1) 
		    doc.write(" id='folder" + this.id + "' style='position:block;' ") 
		  doc.write(" border=0 cellspacing=0 cellpadding=0>") 
		  doc.write("<tr><td>") 
		  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>") 
		  if (USETEXTLINKS) 
		  { 
		    this.outputLink() 
		    doc.write(this.desc + "</a>") 
		  } 
		  else 
		    doc.write(this.desc + "") 
		  doc.write("</td>")  
		  doc.write("</table>") 
		   
		  if (browserVersion == 2) { 
		    doc.write("</layer>") 
		  } 
		 
		  if (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 (browserVersion == 2) { 
		    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 class='sitemap1' target='testwin' href='" + this.hreference + "'>") 
		  }
		} 
		 
		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 = "images/sitemap/ftv2doc.gif" 
		 
		  // methods 
		  this.initialize = initializeItem 
		  this.createIndex = createEntryIndex 
		  this.hide = hideItem 
		  this.display = display 
		  this.renderOb = drawItem 
		  this.totalHeight = totalHeight 
		} 
		 
		function hideItem() 
		{ 
		  if (browserVersion == 1) { 
		    if (this.navObj.style.display == "none") 
		      return 
		    this.navObj.style.display = "none" 
		  } else { 
		    if (this.navObj.visibility == "hiden") 
		      return 
		    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='images/sitemap/ftv2lastnode.gif' width=16 height=22>") 
		      leftSide = leftSide + "<img src='images/sitemap/ftv2blank.gif' width=16 height=22>"  
		    } 
		    else 
		    { 
		      this.renderOb(leftSide + "<img src='images/sitemap/ftv2node.gif' width=16 height=22>") 
		      leftSide = leftSide + "<img src='images/sitemap/ftv2vertline.gif' width=16 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>") 
		  doc.write(leftSide) 
		  doc.write("<a class=sitemap1 href=" + this.link + ">") 
		  doc.write("<img id='itemIcon"+this.id+"' ") 
		  doc.write("src='"+this.iconSrc+"' border=0>") 
		  doc.write("</a>") 
		  doc.write("</td><td valign=middle nowrap>") 
		  if (USETEXTLINKS) 
		    doc.write("<a class=sitemap1 target='window.opener();' href=" + this.link + ">" + this.desc + "</a>") 
		  else 
		    doc.write(this.desc) 
		  doc.write("</table>") 
		   
		  if (browserVersion == 2) 
		    doc.write("</layer>") 
		 
		  if (browserVersion == 1) { 
		    this.navObj = doc.all["item"+this.id] 
		    this.iconImg = doc.all["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 
		 
		  clickedFolder.setState(!state) //open<->close  
		 // return folderId;
		} 
		 
		function initializeDocument() 
		{ 
		  if (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)
		  } 
		} 
		 
		// Auxiliary Functions for Folder-Treee backward compatibility 
		// ********************************************************* 
		 
		function gFld(description, hreference) 
		{ 
		  folder = new Folder(description, hreference) 
		  return folder 
		} 
		 
		function gLnk(target, description, linkData) 
		{ 
		  fullLink = "" 
		 
		  if (target==0) 
		  { 
		    fullLink = "'"+linkData+"' target=\"basefrm\"" 
		  } 
		  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) 
		} 
		 
		// Global variables 
		// **************** 
		 
		USETEXTLINKS = 1 
		indexOfEntries = new Array 
		nEntries = 0 
		doc = document 
		browserVersion = 0 
		selectedFolder=0