// by ntkr.com © 2005-2010
// please keep this header intact

//----------------------------------------------------------------------------
// global variables

var elementId = "varegruppe";
var items = new Array();
var root = new Menu(0, "root", "0", "", 0,0);
var activeMenuId = -1;
var activeParser = new Parser("0");
var butik = 0;

//----------------------------------------------------------------------------
// constructors for objects

function Parser(path){
	this.path = path;
	this.position = 0;
	this.hasMore = hasMore;
	this.next = next;
}

function Menu(id, name, path, indent, noOfElements,butik){
	this.id = id;
	this.name = name;
	this.path = path;
	this.indent = indent;
	this.parser = new Parser(path);
	this.subItems = new Array();
	this.butik = butik;
}


//----------------------------------------------------------------------------
// functions belonging to constructors (Objects [Menu, Parser])

function hasMore(){
	return this.path.length > this.position;
}

function next(){
	var retVal = "";
	var tmpCharacter = "";

	while (this.position < this.path.length){
		tmpCharacter = this.path.charAt(this.position);
		if (tmpCharacter != ","){
			retVal += tmpCharacter;
		}
		else{
			break;
		}
		this.position++;
	}

	//this.position = ++this.position;

	this.position++;

	return retVal;
}


//----------------------------------------------------------------------------
// methods for instantiating and re-organizing the menu objects correct!

function addItem(item){
	item.parser.position = 0;

	if (item.parser.hasMore()){
		if (item.parser.next() == "0"){
			item.parser = new Parser(item.id);
			root.subItems[root.subItems.length] = item;
		}
		else{
			item.parser.position = 0;
			var owner = resolveItem(root, item);
			item.parser = new Parser(item.path + "," + item.id);
			item.path = item.path + "," + item.id;
			owner.subItems[owner.subItems.length] = item;
		}
	}
}

function resolveItem(item, fItem){
	var id = -1;

	if (fItem.parser.hasMore()){
		id = fItem.parser.next();
	}

	if (id == -1){
		item.parser.position = 0;
		return item;
	}
	else{
		var i = 0;

		while (item.subItems.length > i){
			tmpItem = item.subItems[i];

			if (tmpItem.id == id){
				break;
			}
			i++;
		}

		item.parser.position = 0;
		return resolveItem(tmpItem, fItem);
	}
}


function init(elementId, parsePath,butik){
	this.elementId = elementId;
	this.butik = butik;
	if(root.subItems.length == 0){

		addItem(new Menu(56, "Action", "0", "", 1314, 1));
		
		addItem(new Menu(64, "Animation", "0", "", 636, 1));
		
		addItem(new Menu(135, "Anime", "0", "", 29, 1));
		
		addItem(new Menu(171, "Asiatiske", "0", "", 43, 1));
		
		addItem(new Menu(140, "Børnefilm", "0", "", 566, 1));
		
		addItem(new Menu(62, "Danske film", "0", "", 712, 1));
		
		addItem(new Menu(66, "Dokumentar", "0", "", 258, 1));
		
		addItem(new Menu(57, "Drama", "0", "", 1420, 1));
		
		addItem(new Menu(65, "Erotik", "0", "", 14278, 1));
		
		addItem(new Menu(146, "Eventyr", "0", "", 178, 1));
		
		addItem(new Menu(165, "Familie", "0", "", 146, 1));
		
		addItem(new Menu(173, "Filmbokse", "0", "", 74, 1));
		
		addItem(new Menu(59, "Gyser", "0", "", 376, 1));
		
		addItem(new Menu(60, "Komedie", "0", "", 1506, 1));
		
		addItem(new Menu(147, "Krigsfilm", "0", "", 143, 1));
		
		addItem(new Menu(195, "Krimi / Mystery", "0", "", 15, 1));
		
		addItem(new Menu(163, "Musical", "0", "", 62, 1));
		
		addItem(new Menu(63, "Musik", "0", "", 73, 1));
		
		addItem(new Menu(61, "Sci-fi / Fantasy", "0", "", 254, 1));
		
		addItem(new Menu(58, "Thriller", "0", "", 710, 1));
		
		addItem(new Menu(141, "Tv-Serier", "0", "", 992, 1));
		
		addItem(new Menu(194, "Undervisning", "0", "", 23, 1));
		
		addItem(new Menu(161, "Ungdomsfilm", "0", "", 75, 1));
		
		addItem(new Menu(177, "Usorterede titler", "0", "", 7418, 1));
		
		addItem(new Menu(79, "Western", "0", "", 118, 1));
		
		addItem(new Menu(67, "GameCube", "0", "", 0, 2));
		
		addItem(new Menu(78, "Hardware / tilbehør", "67", "&nbsp;&nbsp;", 2, 2));
		
		addItem(new Menu(190, "Spil", "67", "&nbsp;&nbsp;", 49, 2));
		
		addItem(new Menu(68, "Playstation 2", "0", "", 0, 2));
		
		addItem(new Menu(136, "Hardware / tilbehør", "68", "&nbsp;&nbsp;", 3, 2));
		
		addItem(new Menu(181, "Spil", "68", "&nbsp;&nbsp;", 1145, 2));
		
		addItem(new Menu(69, "Nintendo DS", "0", "", 0, 2));
		
		addItem(new Menu(130, "Hardware / tilbehør", "69", "&nbsp;&nbsp;", 1, 2));
		
		addItem(new Menu(187, "Spil", "69", "&nbsp;&nbsp;", 920, 2));
		
		addItem(new Menu(71, "Gameboy Advance", "0", "", 0, 2));
		
		addItem(new Menu(189, "Spil", "71", "&nbsp;&nbsp;", 172, 2));
		
		addItem(new Menu(72, "PSP", "0", "", 0, 2));
		
		addItem(new Menu(139, "Hardware / tilbehør", "72", "&nbsp;&nbsp;", 3, 2));
		
		addItem(new Menu(191, "Spil", "72", "&nbsp;&nbsp;", 428, 2));
		
		addItem(new Menu(73, "Xbox", "0", "", 0, 2));
		
		addItem(new Menu(192, "Spil", "73", "&nbsp;&nbsp;", 39, 2));
		
		addItem(new Menu(74, "Xbox 360", "0", "", 0, 2));
		
		addItem(new Menu(138, "Hardware", "74", "&nbsp;&nbsp;", 2, 2));
		
		addItem(new Menu(180, "Spil", "74", "&nbsp;&nbsp;", 863, 2));
		
		addItem(new Menu(182, "Tilbehør", "74", "&nbsp;&nbsp;", 0, 2));
		
		addItem(new Menu(81, "PC", "0", "", 0, 2));
		
		addItem(new Menu(188, "Spil", "81", "&nbsp;&nbsp;", 1923, 2));
		
		addItem(new Menu(166, "Filmplakater", "0", "", 48, 5));
		
		addItem(new Menu(167, "Fotografier", "0", "", 30, 5));
		
		addItem(new Menu(170, "Fotosæt", "0", "", 6, 5));
		
		addItem(new Menu(168, "Merchandise", "0", "", 5, 5));
		
		addItem(new Menu(169, "Plakater - diverse", "0", "", 24, 5));
		
		addItem(new Menu(172, "Soundtracks", "0", "", 6, 5));
		
		addItem(new Menu(183, "Playstation 3", "0", "", 0, 2));
		
		addItem(new Menu(184, "Hardware", "183", "&nbsp;&nbsp;", 1, 2));
		
		addItem(new Menu(185, "Spil", "183", "&nbsp;&nbsp;", 714, 2));
		
		addItem(new Menu(186, "Tilbehør", "183", "&nbsp;&nbsp;", 2, 2));
		
		addItem(new Menu(174, "Wii", "0", "", 0, 2));
		
		addItem(new Menu(178, "Hardware", "174", "&nbsp;&nbsp;", 1, 2));
		
		addItem(new Menu(179, "Spil", "174", "&nbsp;&nbsp;", 837, 2));
		
		addItem(new Menu(176, "Tilbehør", "174", "&nbsp;&nbsp;", 4, 2));
		
	}
	showMenu(parsePath);
}


//----------------------------------------------------------------------------
// methods for showing the menu

function showMenu(parsePath){
	var lastId = getLastId(parsePath);

	if (activeMenuId == lastId){
		parsePath = trimLastId(parsePath);
		activeMenuId = -1;
	}
	else{
		activeMenuId = lastId;
	}

	this.activeParser = new Parser(parsePath);
	document.getElementById(elementId).innerHTML = "";
	writeMenu(root);
}

function writeMenu(menuItem){
	var tmpItem = null;
	var nextId = -1;

	if (activeParser.hasMore()){
		nextId = activeParser.next();
	}

	var i = 0;

	while (menuItem.subItems.length > i){
		tmpItem = menuItem.subItems[i];

		if (tmpItem.butik == butik){
			if (tmpItem.subItems.length > 0){
				document.getElementById(elementId).innerHTML += "" + tmpItem.indent + "<b><a class=\"VaregruppenavnLink\" href=\"JavaScript:showMenu('" + tmpItem.parser.path + "')\")>" + tmpItem.name + "</a></b><br>";
			}
			else{
				document.getElementById(elementId).innerHTML += "" + tmpItem.indent + "<a class=\"VaregruppenavnLink\" href=\"varegruppe.asp?bid=" + tmpItem.butik + "&id=" + tmpItem.id + "\">" + tmpItem.name + "</a><br>";
			}
	
			if (tmpItem.id == nextId){
				writeMenu(tmpItem);
			}
		}
		i++;
	}
}


//----------------------------------------------------------------------------
// additional methods used when showing the menu!

function getLastId(parsePath){
	var retVal = "";
	var i = parsePath.length;
		
	while (i > -1){
		if (parsePath.charAt(i) != ","){
			retVal += parsePath.charAt(i);
		}
		else{
			break;
		}

		i--;
	}

	return reverse(retVal);
}


function trimLastId(parsePath){
	var i = parsePath.length;

	while (i > -1){
		if (parsePath.charAt(i) == ","){
			break;
		}

		i--;
	}

	return parsePath.substring(0, i);
}


function reverse(str){
	var retVal = "";
	var i = str.length - 1;
	
	while (i > -1){
		retVal += str.charAt(i);
		i--;
	}

	return retVal;
}