//////////////////////////////////////////////
// Cross DHTML TOC
// TgSpToc.js
// COPYRIGHT ADVANTYS 1999
// Last modified : August 19 1999
//////////////////////////////////////////////


// TgSpToc_toc
// Constructor	 

TgSpToc_IconPath = "images/tree2"

function TgSpToc_toc(tocName)
{ 
	// Data member
	//////////////////////////////
	this.name= tocName
	this.doc = document 
	this.rootNode = 0	
	this.nodesIndex = new Array 
	this.nodesCounter = 0 	
	this.currentTopPos = 0
	this.collapse = true
	this.showRoot = true 
	this.showIcons =true
	this.showTextLinks = true 
	if (this.doc.all) 
		this.browserVersion = 1 
	else 
		if (this.doc.layers) 
			this.browserVersion = 2 
		else	 
			this.browserVersion = 0 
	
	// Styles
	this.styleItemFolderLink=0
	this.styleItemFolderNoLink=0
	this.styleItemLink=0
	this.styleItemNoLink=0

	// Icons
	this.iconPath					= TgSpToc_IconPath
	this.iconWidth					= "24"
	this.iconHeight					= "22"
	this.iconPlus					= this.iconPath + "/plus.gif"
	this.iconMinus					= this.iconPath + "/minus.gif"
	this.iconPlus1					= this.iconPath + "/plus1.gif"
	this.iconPlus2					= this.iconPath + "/plus2.gif"
	this.iconMinus1					= this.iconPath + "/minus1.gif"
	this.iconMinus2					= this.iconPath + "/minus2.gif"
	this.iconItem					= this.iconPath + "/item.gif"
	this.iconFolderCollapsed		= this.iconPath + "/foldercol.gif"
	this.iconFolderExpanded			= this.iconPath + "/folderexp.gif"
	this.iconEmpty					= this.iconPath + "/empty.gif"
	this.iconLine1					= this.iconPath + "/line1.gif"
	this.iconLine2					= this.iconPath + "/line2.gif"
	this.iconLine3					= this.iconPath + "/line3.gif"

	// Methods
	this.display		= TgSpToc_tocDisplay	
	this.makeFolder		= TgSpToc_tocmakeFolder
	this.makeItem		= TgSpToc_tocmakeItem
	this.insertNode		= TgSpToc_tocInsertNode
	this.nodeClicked	= TgSpToc_tocnodeClicked	
	this.expand			= TgSpToc_tocExpand
	this.expandAll		= TgSpToc_tocExpandAll	
	this.collapseAll	= TgSpToc_tocCollapseAll

}

// TgSpToc_tocDisplay
// Display the Toc
function TgSpToc_tocDisplay(startNode,expandLevel) 
{
	this.rootNode = startNode

	if (!this.showIcons){
		this.iconPlus1			= this.iconPlus
		this.iconPlus2			= this.iconPlus
		this.iconMinus			= this.iconMinus
		this.iconMinus1			= this.iconMinus		
		this.iconMinus2			= this.iconMinus				
		this.iconLine3			= this.iconEmpty	
	}

	if (this.browserVersion == 2) 
		this.doc.write("<ILAYER position='relative' id='" + this.name +"'>\n")   

	this.rootNode.initialize(0, 1, '') 
	this.rootNode.display()
	if (this.browserVersion == 2) 
		this.doc.write("</ILAYER>\n")   

	if (this.browserVersion > 0){ 	
		 this.rootNode.expand(expandLevel)				 		 
	} 	

} 

// TgSpToc_tocmakeFolder
// Create a folder
function TgSpToc_tocmakeFolder(description,href,target,icon,onclick) 
{ 
	newFolder = new TgSpToc_folder(this,description,href,target,icon,onclick) 
	return newFolder ;
} 

// TgSpToc_tocmakeItem
// Create a item
function TgSpToc_tocmakeItem(description, href,target,icon) 
{ 	
	newItem = new TgSpToc_item(this,description, href,target,icon)           
	return newItem
} 

// insertNode
// Insert a item
function TgSpToc_tocInsertNode(parentFolder, nodeToInsert) 
{ 
	return parentFolder.addChild(nodeToInsert)   
} 


// nodeClicked
// Event
function TgSpToc_tocnodeClicked(nodeId) 
{	
	var clickedNode = this.nodesIndex[nodeId] 
	clickedNode.setState(!clickedNode.isExpanded) 
} 

// TgSpToc_tocExpandAll
// 
function TgSpToc_tocExpandAll() 
{ 
	this.rootNode.expandAll();
} 


// TgSpToc_tocExpand
// 
function TgSpToc_tocExpand(maxlevel) 
{ 
	this.rootNode.expand(maxlevel);
} 


// TgSpToc_tocCollapseAll
// 
function TgSpToc_tocCollapseAll() 
{ 		
	this.expand(1)
}




// TgSpToc_folder
// Constructor
function TgSpToc_folder(activeToc,description,href,target,icon) 
{ 
	// Data member
	this.id = -1   
	this.toc = activeToc
	this.desc = description
	this.href = href
	this.target = target
	this.layer = 0  
	this.iconSrc = this.toc.iconFolderExpanded
	this.iconPersoSrc = icon
	if (icon)
		this.iconSrc = this.iconPersoSrc
	this.iconImg = 0  
	this.nodeImg = 0  
	this.isLastNode = 0 
	this.isExpanded = true   
	this.isFolder = true   
	this.children = new Array 
	this.childrensCounter = 0 

	// Methods
	this.initialize		= TgSpToc_folderInitialize 
	this.setState		= TgSpToc_folderSetState 
	this.addChild		= TgSpToc_folderAddChild 
	this.createIndex	= TgSpToc_createIndex 
	this.hide			= TgSpToc_folderHide 
	this.display		= TgSpToc_display 
	this.draw			= TgSpToc_folderDraw 
	this.totalHeight	= TgSpToc_totalHeight 
	this.subEntries		= TgSpToc_folderSubEntries 
	this.outputLink		= TgSpToc_folderOutputLink 
	this.expand			= TgSpToc_folderExpand
	this.expandAll		= TgSpToc_folderExpandAll
	this.expandRec		= TgSpToc_folderExpandRec
} 

// TgSpToc_folderInitialize
// 
function TgSpToc_folderInitialize(level, lastNode, leftSide) 
{ 
	var j=0 
	var i=0 
	var numberOfFolders 
	var numberOfDocs 
	var nc 
	
	nc = this.childrensCounter 

	this.createIndex() 

	if (level==0 && !this.toc.showRoot) {
		   
	}
	else {
	   var auxEv = '' 
	   if (this.toc.browserVersion > 0) 
		 auxEv ="<a href='javascript:" + this.toc.name +".nodeClicked("+this.id+")'>" 
	   else 
		 auxEv = "<a>"
		 
	   if (level>0)
		 if (lastNode) //the last 'brother' in the children array 
		 { 
		   this.draw(leftSide + auxEv + "<img name='" + this.toc.name + "nodeIcon" + this.id + "' src='" + this.toc.iconMinus1 + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + " border=0></a>")
		   leftSide = leftSide + "<img src='" + this.toc.iconEmpty + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">" 
		   this.isLastNode = 1 
		 } 
		 else 
		 { 
		   this.draw(leftSide + auxEv + "<img name='" + this.toc.name + "nodeIcon" + this.id + "' src='" + this.toc.iconMinus2 + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + " border=0></a>") 
		   leftSide = leftSide + "<img src='" + this.toc.iconLine3 + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">" 
		   this.isLastNode = 0 
		  } 
	   else 
		 this.draw('') 
	}

	if (nc > 0) 
	{ 
	 level = level + 1 
	 for (i=0 ; i < this.childrensCounter; i++)  
	 { 
	   if (i == this.childrensCounter-1) 
		 this.children[i].initialize(level, 1, leftSide) 
	   else 
		 this.children[i].initialize(level, 0, leftSide) 
	  } 
	}    
} 

// TgSpToc_folderDraw
// 
function TgSpToc_folderDraw(leftSide) 
{ 
	if (this.toc.browserVersion == 2) { 
		if (!this.toc.currentTopPos) 
			this.toc.currentTopPos=8 
		this.toc.doc.write("<layer postion='absolute' id='" + this.toc.name + "folder" + this.id + "' top=" + this.toc.currentTopPos + " visibility=hidden>\n") 
	} 

	this.toc.doc.write("<table ") 
	if (this.toc.browserVersion == 1) 
		this.toc.doc.write(" id='" + this.toc.name + "folder" + this.id + "' style='position:block;' ")   
	this.toc.doc.write(" border=0 cellspacing=0 cellpadding=0>\n") 

	this.toc.doc.write('<tr><td>') 
	this.toc.doc.write(leftSide) 
	if (this.toc.showIcons){
		this.outputLink() 
		this.toc.doc.write("<img name='" + this.toc.name + "folderIcon" + this.id + "' ") 
		this.toc.doc.write("src='" + this.iconSrc + "' border=0></a>") 
	}
	this.toc.doc.write('</td><td valign=middle nowrap>') 
	if (this.toc.showTextLinks && this.href){ 
		this.outputLink() 
		this.toc.doc.write(this.desc + '</a>') 		
	} 
	else 
		this.toc.doc.write("<font class='" + this.toc.styleItemFolderNoLink + "'>" + this.desc + "</font>")

	this.toc.doc.write('</td>')  
	this.toc.doc.write("</table>\n") 

	if (this.toc.browserVersion == 2) { 
		this.toc.doc.write("</layer>\n\n") 
	} 

	if (this.toc.browserVersion == 1) { 
		this.layer  = eval(this.toc.name + "folder" + this.id)	
		if (this.toc.showIcons)
			this.iconImg = eval(this.toc.name + "folderIcon"+ this.id)	
		if (this.id>0)
			  this.nodeImg = eval(this.toc.name + "nodeIcon" + this.id) 			
	} 
	if (this.toc.browserVersion == 2) { 
		this.layer  = eval("document." + this.toc.name +".document." + this.toc.name + "folder"+this.id);
		if (this.toc.showIcons)
			this.iconImg = this.layer.document.images[this.toc.name +"folderIcon"+this.id] 
		if (this.id>0)
			this.nodeImg = this.layer.document.images[this.toc.name +"nodeIcon"+this.id] ;
		this.toc.currentTopPos=this.toc.currentTopPos+this.layer.clip.height 
	} 
} 


// TgSpToc_folderOutputLink
// 
function TgSpToc_folderOutputLink() 
{ 
	if (this.toc.browserVersion > 0) 		
		if (this.href)
			this.toc.doc.write("<a class='" + this.toc.styleItemFolderLink + "' href=\"" + this.href +  "\" target='" + this.target + "'>") 		
} 

// TgSpToc_folderSetState
// Change the state of a folder
function TgSpToc_folderSetState(isExpanded) 
{ 
	var subEntries 
	var totalHeight 
	var fIt = 0 
	var i=0 

	if (isExpanded == this.isExpanded) 
		return 

	if (this.toc.browserVersion == 2){ 
		totalHeight = 0 
		for (i=0; i < this.childrensCounter; i++) 
			totalHeight = totalHeight + this.children[i].layer.clip.height 
		subEntries = this.subEntries() 
		if (this.isExpanded) 
			totalHeight = 0 - totalHeight 
		for (fIt = this.id + subEntries + 1; fIt < this.toc.nodesCounter; fIt++) 
			this.toc.nodesIndex[fIt].layer.moveBy(0, totalHeight) 
	}  
	this.isExpanded = isExpanded 
	TgSpToc_applyChanges(this) 
} 


// hide folder
// 
function TgSpToc_folderHide() 
{ 
	if (this.toc.browserVersion >0) { 
	  if (this.toc.browserVersion == 1) { 
		if (this.layer.style.display == 'none') 
		  return 
		this.layer.style.display = 'none'
	  } else { 
		if (this.layer.visibility == 'hidden') 
		  return 
		this.layer.visibility = 'hidden'
	  } 
	  this.setState(0) 
	}
} 


// TgSpToc_folderAddChild
// 
function TgSpToc_folderAddChild(childNode) 
{ 
	this.children[this.childrensCounter] = childNode 
	this.childrensCounter++ 
	return childNode 
} 

// TgSpToc_folderSubEntries
// 
function TgSpToc_folderSubEntries() 
{ 
	var i = 0 
	var se = this.childrensCounter 
	for (i=0; i < this.childrensCounter; i++){ 
		if (this.children[i].children)
		  se = se + this.children[i].subEntries() 
	} 
	return se 
} 



// TgSpToc_folderExpandAll
// 
function TgSpToc_folderExpandAll() 
{ 		
	this.expand(1000)
}

// TgSpToc_folderExpand
// 
function TgSpToc_folderExpand(maxLevel) 
{ 		
	if (this.isExpanded)
		this.toc.nodeClicked(this.id)
	var currentLevel = 1
	if (maxLevel)
		this.expandRec(maxLevel,currentLevel)
	else
		this.expandRec(1,currentLevel)
}

// TgSpToc_folderExpand
// 
function TgSpToc_folderExpandRec(maxlevel,currentlevel) 
{ 
	var i = 0 	
	this.toc.nodeClicked(this.id)
	if 	(currentlevel<maxlevel){	
		currentlevel++;
		for (i=0; i < this.childrensCounter; i++){ 
			if (this.children[i].isFolder)						
						this.children[i].expandRec(maxlevel,currentlevel) 		
		} 
	}	
} 



// TgSpToc_item
// Constructor
function TgSpToc_item(activeToc, description, href,target,icon)
{ 
	// Data member
	this.id = -1 
	this.toc = activeToc
	this.desc = description 
	this.href = href 
	this.target = target  
	this.layer = 0 
	this.iconImg = 0 
	this.iconSrc = this.toc.iconItem 
	if (icon)
	this.iconSrc = icon

	// Methods
	this.initialize		= TgSpToc_itemInitialize 
	this.draw			= TgSpToc_itemDraw 
	this.hide			= TgSpToc_itemHide 
	this.createIndex	= TgSpToc_createIndex   
	this.display		= TgSpToc_display   
	this.totalHeight	= TgSpToc_totalHeight 
} 

// TgSpToc_itemInitialize
// 
function TgSpToc_itemInitialize(level, lastNode, leftSide) 
{  
	this.createIndex() 
	if (level>0) 
		if (lastNode){ 
			if (this.toc.showIcons) {  
				this.draw(leftSide + "<img src='" + this.toc.iconLine1 + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">")
				leftSide = leftSide + "<img src='" + this.toc.iconEmpty + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">"  
				}
			else 
				this.draw(leftSide +"<img src='" + this.toc.iconEmpty + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">") 
		} 
		else { 
		   if (this.toc.showIcons) {  
				this.draw(leftSide + "<img src='" + this.toc.iconLine2 + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">") 
				leftSide = leftSide + "<img src='" + this.toc.iconLine3 + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">" 
			    } 
		   else 
				this.draw(leftSide +"<img src='" + this.toc.iconEmpty + "' width=" + this.toc.iconWidth + " height=" + this.toc.iconHeight + ">")
		} 
	else
		this.draw('')
} 

// TgSpToc_itemDraw
// 
function TgSpToc_itemDraw(leftSide) 
{ 	
	if (this.toc.browserVersion == 2) 
		this.toc.doc.write("<layer postion='absolute' id='" + this.toc.name + "item" + this.id + "' top=" + this.toc.currentTopPos + " visibility=hidden>\n") 

	this.toc.doc.write("<table ") 
	if (this.toc.browserVersion == 1) 
		this.toc.doc.write(" id='" + this.toc.name + "item" + this.id + "' style='position:block;' ") 
	this.toc.doc.write(" border=0 cellspacing=0 cellpadding=0>\n") 

	this.toc.doc.write('<tr><td>') 

	this.toc.doc.write(leftSide) 
	if (this.toc.showIcons) {  
		if (this.href)
			this.toc.doc.write("<a href=\"" + this.href + "\" target='" + this.target + "'>") 
		this.toc.doc.write("<img id='" + this.toc.name + "itemIcon" + this.id +"' src='"+ this.iconSrc +"' border=0>") 
		if (this.href)
			this.toc.doc.write('</a>') 
	}
	this.toc.doc.write('</td><td valign=middle nowrap>') 
	if (this.href && this.toc.showTextLinks) 
		this.toc.doc.write("<a class='" + this.toc.styleItemLink + "' href=\"" + this.href + "\" target='" + this.target + "'>" + this.desc + "</a>") 
	else 
		this.toc.doc.write("<font class='" + this.toc.styleItemNoLink + "'>" + this.desc + "</font>")

	this.toc.doc.write("</table>\n") 

	if (this.toc.browserVersion == 2) 
		this.toc.doc.write("</layer>\n\n") 

	if (this.toc.browserVersion == 1) {  
		this.layer = eval(this.toc.name + "item" + this.id)
		if (this.toc.showIcons)
			this.iconImg = eval(this.toc.name + "itemIcon"+ this.id)        
	} 
	if (this.toc.browserVersion == 2) { 		
		this.layer = eval("document." + this.toc.name +".document." + this.toc.name + "item"+this.id);		
		this.iconImg = this.layer.document.images[this.toc.name + "itemIcon"+this.id] 
		this.toc.currentTopPos=this.toc.currentTopPos+this.layer.clip.height 
	} 
} 

// TgSpToc_itemHide
// 
function TgSpToc_itemHide() 
{ 
	if (this.toc.browserVersion >0) { 
		if (this.toc.browserVersion == 1) { 
			if (this.layer.style.display == 'none') 
			  return 
			this.layer.style.display = 'none' 
		} else { 
			if (this.layer.visibility == 'hidden') 
				return 
			this.layer.visibility = 'hidden' 
		}     
	}
} 


// TgSpToc_applyChanges
// 
function TgSpToc_applyChanges(folder) 
{   
	var i=0 
	if (folder.isExpanded){ 
	
		if (folder.nodeImg) 
			if (folder.isLastNode) 
				folder.nodeImg.src = folder.toc.iconMinus1
			else 
				folder.nodeImg.src = folder.toc.iconMinus2

		if (folder.iconPersoSrc)
			folder.iconImg.src =folder.iconPersoSrc
		else
			folder.iconImg.src = folder.toc.iconFolderExpanded

		for (i=0; i<folder.childrensCounter; i++) 
			folder.children[i].display() 
	} 
	else { 
		if (folder.nodeImg) 
			if (folder.isLastNode) 
				folder.nodeImg.src = folder.toc.iconPlus1 
			else 
				folder.nodeImg.src = folder.toc.iconPlus2

		if (folder.iconPersoSrc)
			folder.iconImg.src =folder.iconPersoSrc
		else
			folder.iconImg.src = folder.toc.iconFolderCollapsed

		for (i=0; i<folder.childrensCounter; i++) 
			folder.children[i].hide() 
	}  
} 

// TgSpToc_display
// 
function TgSpToc_display() 
{ 
	if (this.layer){
		if (this.toc.browserVersion == 1)
		{
			this.layer.style.display = 'block' 
		}
		else 
		{
			this.layer.visibility = 'show';
		}
	}
} 

// TgSpToc_createIndex
// 
function TgSpToc_createIndex() 
{ 
	this.id = this.toc.nodesCounter       
	this.toc.nodesIndex[this.toc.nodesCounter] = this 
	this.toc.nodesCounter++    
} 

// TgSpToc_totalHeight
// 
function TgSpToc_totalHeight()
{ 
	var h = this.layer.clip.height 
	var i = 0 
	if (this.isExpanded)
		for (i=0 ; i < this.childrensCounter; i++)  
			h = h + this.children[i].TgSpToc_totalHeight() 
	return h 
} 


// END