//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/manual/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/manual/ftv2mlastnode.gif"; }
			else                   { folder.nodeImg.src = "/images/manual/ftv2mnode.gif"; }
		}
		folder.iconImg.src = "/images/manual/ftv2folderopen.gif";
		for (i=0; i<folder.nChildren; i++) { folder.children[i].display(); }
	} 
	else 
	{ 
		if (folder.nodeImg)
		{
			if (folder.isLastNode) { folder.nodeImg.src = "/images/manual/ftv2plastnode.gif"; }
			else                   { folder.nodeImg.src = "/images/manual/ftv2pnode.gif"; }
		}
		folder.iconImg.src = "/images/manual/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 href='javascript:clickOnNode("+this.id+")'>"; }
	else { auxEv = "<a>"; }
 
	if (level>0)
	{
		if (lastNode) //the last 'brother' in the children array 
		{ 
		  this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' id='nodeIcon" + this.id + "' src='/images/manual/ftv2mlastnode.gif' border=0></a>") 
		  leftSide = leftSide + "<img src='/images/manual/ftv2blank.gif'>"  
		  this.isLastNode = 1 
		} 
		else 
		{ 
		  this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' id='nodeIcon" + this.id + "' src='/images/manual/ftv2mnode.gif' border=0></a>") 
		  leftSide = leftSide + "<img src='/images/manual/ftv2vertline.gif'>" 
		  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); }
		} 
	} 
} 

// 폴더
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("<layer id='folder" + this.id + "' top=" + (doc.yPos+78) + " 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 + "' id='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.getElementById("folder"+this.id);
		this.iconImg = doc.getElementById("folderIcon"+this.id);
		this.nodeImg = doc.getElementById("nodeIcon"+this.id);
	} else if (browserVersion == 2) { 
		this.navObj = doc.getElementById("folder"+this.id);
		this.iconImg = this.navObj.document.getElementById("folderIcon"+this.id);
		this.nodeImg = this.navObj.document.getElementById("nodeIcon"+this.id);
		doc.yPos=doc.yPos+this.navObj.clip.height;
	}
/*	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 href='" + this.hreference + "' TARGET=\"manual_ifrm\" ");
		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 = "/images/manual/ftv2doc.gif";

	// methods 
	this.initialize = initializeItem;
	this.createIndex = createEntryIndex;
	this.hide = hideItem;
	this.display = display;
	this.renderOb = drawItem;
	this.totalHeight = totalHeight;
} 

function Item2(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/manual/ftv2link.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/manual/ftv2lastnode.gif'>");
		  //leftSide = "b"+leftSide + "<img src='/images/manual/ftv2blank.gif'>";
		} 
		else 
		{ 
		  this.renderOb(leftSide + "<img src='/images/manual/ftv2node.gif'>");
		  //leftSide = "a"+leftSide + "<img src='/images/manual/ftv2vertline.gif'>";
		} 
	}
	else { this.renderOb(""); }
} 

// 내용출력
function drawItem(leftSide) 
{ 
	if (browserVersion == 2) { doc.write("<layer id='item" + this.id + "' top=" + (doc.yPos+78) + " 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);
	doc.write("<span style='cursor:pointer;' onclick=" + this.link + ">");
	doc.write("<img id='itemIcon"+this.id+"' ");
	doc.write("src='"+this.iconSrc+"' border=0>");
	doc.write("</span>");
	doc.write("</td><td valign=top width=140>");

	if (USETEXTLINKS)
	{
		doc.write("<span style='cursor:pointer;color:#0056a7;' ");
		doc.write("onmouseover=\"this.style.color='#cc0000';\" onmouseout=\"this.style.color='#0056a7';\" ");
		doc.write("onclick=" + this.link + ">" + this.desc + "</span>");
	}
	//   doc.write("<a 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.getElementById("item"+this.id);
		this.iconImg = doc.getElementById("itemIcon"+this.id);
	} else if (browserVersion == 2) { 
		this.navObj = doc.getElementById("item"+this.id);
		this.iconImg = this.navObj.document.getElementById("itemIcon"+this.id);
		doc.yPos=doc.yPos+this.navObj.clip.height;
	} 
/*	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  
} 
 
function initializeDocument() 
{
	if (doc.getElementById) { 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+"'";
		linkItem = new Item(description, fullLink);
	}
	else
	{
		if (target==1)
		{ 
			fullLink = "'http://"+linkData+"' target=manual_ifrm";
			linkItem = new Item(description, fullLink);
		}
		else 
		{
			if(target==2)
			{
				fullLink = "'"+linkData+"' target=\"manual_ifrm\"";
				linkItem = new Item2(description, fullLink);
			}
			else
			{
				fullLink = "'http://"+linkData+"' target=manual_ifrm";
				linkItem = new Item2(description, fullLink);
			}
		}
	} 
	//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;