function wsTreeCtrl_skyddet_meny()
{
	// Methods
	this.initializeDocument = initializeDocument;
	this.InsItem      = InsItem;
	this.GenerateCode   = GenerateCode;
	this.ToggleTree_skyddet_meny     = ToggleTree_skyddet_meny;
	this.ResetItem      = ResetItem;
	this.ExpandAllTree    = ExpandAllTree;
	this.RecudeAllTree    = RecudeAllTree;
	this.CheckNodeStatus_skyddet_meny = CheckNodeStatus_skyddet_meny;
	this.Username = Username;

	// constant
	var nCount      = 0;
	var LastRootItem  = 0;
	var ImgDir      = "bilder/meny/";
	var ItemImg     = "bilder/meny/html.gif";

	// variable
	var Doc;
	var browserVersion;
	var id    = "";
	var Item  = new Array();

	function initializeDocument()
	{
		if (document.all) { //IE4
			Doc = document.all;
			browserVersion = 1;

		}else if (document.layers) { //NS4
			Doc = document.layers;
			browserVersion = 2;

		}else if(document.getElementById) { //NS6
			Doc = document;
			browserVersion = 3;

		}else { //other
			Doc = document.all;
			browserVersion = 0;
		}
	}

	function InsItem(parentItem, description, hreference, target)
	{
		var iDepth = 0;
		var iLength = Item.length;

		if(parentItem == null) {
			parentItem = iLength;
		}

		if(Item[parentItem] != null) {
			iDepth = Item[parentItem][4];
			iDepth++;
		}

		Item[iLength]   = new Array();
		Item[iLength][0]  = parentItem;
		Item[iLength][1]  = description;
		Item[iLength][2]  = hreference;
		Item[iLength][3]  = target;
		Item[iLength][4]  = iDepth;
		Item[iLength][5]  = true;

		nCount++;

		return iLength;
	}

	function GenerateCode()
	{
		var NextItemDepth = 0;
		var CurItemDepth  = 0;

		DocWrite("<table border='0' cellpadding='0' cellspacing='0' class='red11'>");

		for(var i=0; i<nCount; i++) {

			DocWrite("<tr id=wsTree_skyddet_meny_" + i + "><td class='red11'>");

			DocWrite("<table border='0' cellpadding='0' cellspacing='0' class='red11'><tr><td class='red11'>");
			DocWrite(GetSpace(i, Item[i][4], false));
			DocWrite("</td><td class='red11'>");

			DocWrite("<a href='#' onfocus='this.blur()' class='red11' onclick=javascript:CheckNodeStatus_skyddet_meny('" + i + "','" + GetChildItems(i) + "')>");

			var TempNodeImg;
			if(GetItemCount(i, Item[i][4]) == 1) {
				if(Item.length == 1) { TempNodeImg = "r.gif"; }
				else { TempNodeImg = "L.gif"; }

			} else {
				if(i == 0) { TempNodeImg = "f.gif"; }
				else { TempNodeImg = "T.gif"; }
			}


			DocWrite("<img id=wsTreeNodeImg_skyddet_meny_" + i + " src='" + ImgDir + TempNodeImg + "' border='0'>");
			DocWrite("</a>");

			DocWrite("</td><td class='red11'>");
			DocWrite("<img id=wsTreeItemImg_skyddet_meny_" + i + " src='" + ImgDir + "html.gif" + "' border='0'>");
			DocWrite("</td><td class='red11'>");
			DocWrite("&nbsp;");

			if(Item[i][2] != "" && Item[i][2] != null) {
				DocWrite("<a href='" + Item[i][2] + "'");

				if(Item[i][3] != "undefined" && Item[i][3] != null && Item[i][3] != "") {
					DocWrite(" target='" + Item[i][3] + "'");
				}
				DocWrite(" onfocus='this.blur()' class='red11' onclick=javascript:CheckNodeStatus_skyddet_meny('" + i + "','" + GetChildItems(i) + "')>");
			}
			else {
				DocWrite("<a href='#' onfocus='this.blur()' class='red11' onclick=javascript:CheckNodeStatus_skyddet_meny('" + i + "','" + GetChildItems(i) + "')>");
			}

			DocWrite(Item[i][1]);
			DocWrite("</a>");

			DocWrite("</td></tr></table>");
			DocWrite("</td></tr>");
		}
		DocWrite("</table>");

		LastRootItem = GetRootItem(nCount-1);
	}

	function GetSpace(CurItem, Depth, bBlank)
	{
		var Space = "";

		for(var i=0; i<Depth; i++) {
			if(bBlank == false) {
				if(bHaveSameDepthChildItem(CurItem, i)) {
					Space += "<img src=" + ImgDir + "i.gif>";
				}else {
					Space += "<img src=" + ImgDir + "white.gif>";
				}

			}else {
				Space += "<img src=" + ImgDir + "white.gif>";
			}
		}

		return Space;
	}

	function bHaveSameDepthChildItem(CurItem, Depth)
	{
		if(CurItem < 0 || CurItem > Item.length) { return false; }

		var PItem   = Item[CurItem][0];
		var RootItem  = GetRootItemEx(PItem, Depth);

		if(GetItemCount(RootItem, Depth) >= 2) {
			return true;
		}else {
			return false;
		}
	}

	function GetChildItems(iNode)
	{
		var ChildItems  = "";
		var CurDepth  = Item[iNode][4];

		for(var i=iNode+1; i<Item.length; i++) {

			if(CurDepth >= Item[i][4]) { return ChildItems; }

			if(Item[i][4] > Item[iNode][4]) {
				ChildItems += i + ";"
			}
		}

		return ChildItems;
	}
	
	function Username(session_id)
	{
		var user_id = session_id;
		SetCookie("user_id", user_id);
	}
	
	function replaceChar(entry, sub, add) 
	{
		out = sub; // replace this
		add = add; // with this
		temp = "" + entry; // temporary holder

		while (temp.indexOf(out)>-1) 
		{
			pos= temp.indexOf(out);
			temp = "" + (temp.substring(0, pos) + add + temp.substring((pos + out.length), temp.length));
		}
		return temp;
	}
	
	function SetCookie(name, value)
	{
		document.cookie = name+"="+value;
	}
	
	function ReadCookie(name)
	{
		var theCookie=""+document.cookie;
 		var index=theCookie.indexOf(name);
 		
 		if (index==-1 || name=="")
 		{
 			return "";
 		}
 		
 		var index1=theCookie.indexOf(';',index);
 		
 		if (index1==-1)
 		{
 			index1=theCookie.length;
 		}
 		
 		return unescape(theCookie.substring(index+name.length+1,index1));
	}
	
	function CheckNodeStatus_skyddet_meny(CurNode, NodeItem)
	{
		var arr = new Array();
		var rep = "";
		var cookiename = "";
		
		if(NodeItem == "") {return; }
		
		arr = NodeItem.split(";");
		rep = replaceChar(NodeItem, ";", "_");
		username = ReadCookie("user_id");
		cookiename = username + "_" + CurNode + "_" + rep;
		if(ReadCookie(cookiename) == "open")
		{
			//alert("This was an open node, now sets to close");
			SetCookie(cookiename, "closed");
			ToggleDisplayLayer(arr, CurNode, "none");
		}
		else
		{
			//alert("This was a closed node, now sets to open");
			SetCookie(cookiename, "closed");
			ToggleDisplayLayer(arr, CurNode, "");
		}
	}
	
	function ToggleTree_skyddet_meny(CurNode, NodeItem)
	{
		if(NodeItem == "") { return; }

		var NodeStatus;
		var arr		= new Array();

		arr = NodeItem.split(";");

		if(Item[CurNode][5] == true) {
			ToggleDisplayLayer(arr, CurNode, "none");
			Item[CurNode][5] = false;
		}else {
			ToggleDisplayLayer(arr, CurNode, "");
			Item[CurNode][5] = true;
			ResetItem(CurNode);
		}
	}

	function ToggleDisplayLayer(ItemArray, CurNode, Display)
	{
		var NodeImg;
		var ItemImg;
		var bShow;

		if(Display == "none")
		{
			NodeReplaced = replaceChar(ItemArray, ",", "_");
			username = ReadCookie("user_id");
			cookiename = username+"_"+CurNode+"_"+NodeReplaced;
			if(ReadCookie(cookiename) == "open")
			{
				SetCookie(cookiename, "open");
				bShow = true;
			}
			else
			{
				SetCookie(cookiename, "closed");
				bShow = false;
			}
		}
		else
		{
			NodeReplaced = replaceChar(ItemArray, ",", "_");
			username = ReadCookie("user_id");
			cookiename = username+"_"+CurNode+"_"+NodeReplaced;
			SetCookie(cookiename, "open");
			bShow = true;
		}

		if(!bShow) {
			ItemImg = ImgDir + "folder.gif";

			if(GetItemCount(CurNode,Item[CurNode][4]) == 1) {
				if(GetItemCount(GetRootItemEx(CurNode, 0),0) == 1 && CurNode == 0) {
					NodeImg = ImgDir + "Rplus.gif";
				}else {
					NodeImg = ImgDir + "Lplus.gif";
				}

			}else {
				if(CurNode == 0) {
					NodeImg = ImgDir + "fplus.gif";
				}else {
					NodeImg = ImgDir + "Tplus.gif";
				}
			}

		}
		else {
			ItemImg = ImgDir + "folderopen.gif";

			if(GetItemCount(CurNode,Item[CurNode][4]) == 1) {
				if(GetItemCount(GetRootItemEx(CurNode, 0),0) == 1 && CurNode == 0) {
					NodeImg = ImgDir + "Rminus.gif";
				}else {
					NodeImg = ImgDir + "Lminus.gif";
				}

			}else {
				if(CurNode == 0) {
					NodeImg = ImgDir + "fminus.gif";
				}else {
					NodeImg = ImgDir + "Tminus.gif";
				}
			}
		}

		for(var i=0; i<ItemArray.length-1; i++) {
			SetTreeVisible(ItemArray[i], bShow);
			SetImgVisible(CurNode, NodeImg, 1);
			SetImgVisible(CurNode, ItemImg, 2);
		}
	}

	function ResetItem(iNode)
	{
		for(var i=iNode; i<Item.length; i++) {

			if(!Item[i][5]) {
				var arr = new Array();
				arr = GetChildItems(i).split(";");

				for(var j=0; j<arr.length-1; j++) {
					SetTreeVisible(arr[j], false);
				}
			}
		}
	}

	function SetTreeVisible(iItem, bShow)
	{
		if(!bShow) {
			if(browserVersion == 1) {
				Doc["wsTree_skyddet_meny_" + iItem].style.display = "none";

			}else if(browserVersion == 3) {
				document.getElementById("wsTree_skyddet_meny_" + iItem).style.display = "none";

			}else {
				Doc["wsTree_skyddet_meny_" + iItem].visibility = "hiden";
			}

		}else {
			if(browserVersion == 1) {
				Doc["wsTree_skyddet_meny_" + iItem].style.display = "block";

			}else if(browserVersion == 3) {
				Doc.getElementById("wsTree_skyddet_meny_" + iItem).style.display = "";

			}else {
				Doc["wsTree_skyddet_meny_" + iItem].visibility = "show";
			}
		}
	}

	function SetImgVisible(iItem, ImgName, iType)
	{
		var ItemName;
		switch(iType) {
			case 1:   ItemName = "wsTreeNodeImg_skyddet_meny_"; break;
			case 2:   ItemName = "wsTreeItemImg_skyddet_meny_"; break;
			default:  ItemName = "wsTreeItemImg_skyddet_meny_"; break;
		}

		if(browserVersion == 3) {
			Doc.getElementById(ItemName + iItem).src = ImgName;

		}else {
			Doc[ItemName + iItem].src = ImgName;
		}
	}

	function ExpandAllTree()
	{
		for(var i=Item.length-1; i>=0; i--) {
			Item[i][5] = false;
			ToggleTree_skyddet_meny(i, GetChildItems(i));
		}
	}

	function RecudeAllTree()
	{
		for(var i=Item.length-1; i>=0; i--) {
			Item[i][5] = true;
			ToggleTree_skyddet_meny(i, GetChildItems(i));
		}
	}

	function GetRootItem(ChildItem)
	{
		if(Item[ChildItem][4] == 0) {
			return ChildItem;
		}else {
			return GetRootItem(Item[ChildItem][0]);
		}
	}

	function GetRootItemEx(ChildItem, Depth)
	{
		if(Item[ChildItem][4] == Depth) {
			return ChildItem;
		}else {
			return GetRootItem(Item[ChildItem][0], Depth);
		}
	}

	function GetItemCount(CurItem, Depth)
	{
		var nRet = 0;

		for(var i=CurItem; i<Item.length; i++) {
			if(Item[i][4] < Depth) break;

			if(Item[i][4] == Depth) {

				nRet++;
			}
		}

		return nRet;
	}

	function DocWrite(strHtml)
	{
		document.write(strHtml);
	}
}

function ToggleTree_skyddet_meny(CurNode, NodeItem)
{
	skyddet_meny.ToggleTree_skyddet_meny(CurNode, NodeItem);
}

function CheckNodeStatus_skyddet_meny(CurNode, NodeItem)
{
	skyddet_meny.CheckNodeStatus_skyddet_meny(CurNode, NodeItem);
}