// Title: Tigra Tree
// Description: See the demo at url
// URL: http://www.softcomplex.com/products/tigra_menu_tree/
// Version: 1.1
// Date: 11-12-2002 (mm-dd-yyyy)
// Notes: This script is free. Visit official site for further details.

function tree (a_items, a_template, toggleString) 
{
	this.a_tpl      = a_template;
	this.a_config   = a_items;
	this.o_root     = this;
	this.a_index    = [];
	this.o_selected = null;
	this.n_depth    = -1;
	
	var o_icone = new Image(),
		o_iconl = new Image();
	o_icone.src = a_template['icon_e'];
	o_iconl.src = a_template['icon_l'];
	a_template['im_e'] = o_icone;
	a_template['im_l'] = o_iconl;
	for (var i = 0; i < 64; i++)
		if (a_template['icon_' + i]) {
			var o_icon = new Image();
			a_template['im_' + i] = o_icon;
			o_icon.src = a_template['icon_' + i];
		}
	
	this.toggle = function (n_id) {	var o_item = this.a_index[n_id]; o_item.open(o_item.b_opened) };
	this.select = function (n_id) { return this.a_index[n_id].select(); };
	this.mout   = function (n_id) { this.a_index[n_id].upstatus(true) };
	this.mover  = function (n_id) { this.a_index[n_id].upstatus() };

	this.a_children = [];
	for (var i = 0; i < a_items.length; i++)
		new tree_item(this, i);

	this.n_id = trees.length;
	trees[this.n_id] = this;
	
	for (var i = 0; i < this.a_children.length; i++) {
		document.write(this.a_children[i].init());
		this.a_children[i].open();
	}
	
	if ( toggleString )
	{
		var toggleSplit = toggleString.split(",");
		var selectId;
		for ( var i = toggleSplit.length - 1; i >= 0; i-- )
		{
			if ( toggleSplit[i].indexOf("s") > -1)
				this.select(toggleSplit[i].substring(1, toggleSplit[i].length));
			else
				this.toggle(toggleSplit[i]);
		}
	}
}
function tree_item (o_parent, n_order) {

	this.n_depth  = o_parent.n_depth + 1;
	this.a_config = o_parent.a_config[n_order + (this.n_depth ? 2 : 0)];
	if (!this.a_config) return;

	this.o_root    = o_parent.o_root;
	this.o_parent  = o_parent;
	this.n_order   = n_order;
	this.b_opened  = !this.n_depth;

	this.n_id = this.o_root.a_index.length;
	this.o_root.a_index[this.n_id] = this;
	o_parent.a_children[n_order] = this;
	
	if ( this.n_depth <= 1  )
	{
		this.span_class = 's' + this.n_depth + this.n_order;
	}
	else if ( this.n_depth > 1 )
	{
		this.span_class = o_parent.span_class;
	}

	this.a_children = [];
	for (var i = 0; i < this.a_config.length - 2; i++)
		new tree_item(this, i);

	this.get_icon = item_get_icon;
	this.open     = item_open;
	this.select   = item_select;
	this.init     = item_init;
	this.upstatus = item_upstatus;
	this.is_last  = function () { return this.n_order == this.o_parent.a_children.length - 1 };
}

function item_open (b_close) {
	var o_idiv = get_element('i_div' + this.o_root.n_id + '_' + this.n_id);
	if (!o_idiv) return;
	
	if (!o_idiv.innerHTML) {
		var a_children = [];
		for (var i = 0; i < this.a_children.length; i++)
			a_children[i]= this.a_children[i].init();
		o_idiv.innerHTML = a_children.join('');
	}
	o_idiv.style.display = (b_close ? 'none' : 'block');
	
	this.b_opened = !b_close;
	var o_jicon = document.images['j_img' + this.o_root.n_id + '_' + this.n_id],
		o_iicon = document.images['i_img' + this.o_root.n_id + '_' + this.n_id];
	if (o_jicon) o_jicon.src = this.get_icon(true);
	if (o_iicon) o_iicon.src = this.get_icon();
	this.upstatus();
}

function item_select (b_deselect) {
	if (!b_deselect) {
		var o_olditem = this.o_root.o_selected;
		this.o_root.o_selected = this;
		if (o_olditem) o_olditem.select(true);
	}
	var o_iicon = document.images['i_img' + this.o_root.n_id + '_' + this.n_id];
	if (o_iicon) o_iicon.src = this.get_icon();
	get_element('i_txt' + this.o_root.n_id + '_' + this.n_id).style.fontWeight = b_deselect ? 'normal' : 'bold';
	
	this.upstatus();
	
	/*if (window.location.href.toLowerCase().indexOf(this.a_config[1].toLowerCase()) > -1)
		return false;*/
	
	return (Boolean(this.a_config[1])) && (this.b_opened || !this.a_config[2]);
}

function item_upstatus (b_clear) 
{
	var winStatus = '';
	if ( this.n_depth == 0 )
		return;
	if ( this.n_depth == 1 )
	{
		var imgElement = document.getElementById("menu" + this.n_order);
		if ( imgElement )
		{
			winStatus = imgElement.alt
		}
	}
	else
	{
		winStatus = this.a_config[0];
	}
	window.setTimeout('window.status="' + (b_clear ? '' : winStatus + (this.a_config[1] ? ' ('+ this.a_config[1] + ')' : '')) + '"', 10);
}

function item_init () {
	var a_offset = [],
		o_current_item = this.o_parent;

	for (var i = this.n_depth; i > 1; i--) {
		a_offset[i] = '<img src="' + this.o_root.a_tpl[o_current_item.is_last() || i > 2 ? 'icon_e' : 'icon_l'] + '" border="0" align="absmiddle">';
		o_current_item = o_current_item.o_parent;
	}
	var retVal = '<table class="mainMenuTable" cellpadding="0" cellspacing="0" ' + (this.n_depth ? '' : 'style="padding-bottom:5px;"') + 'border="0" width = "192"><tr class="mainMenuRow"><td class="mainMenuCell" nowrap>' 
	+ 
	(this.n_depth 
			? a_offset.join('') + (
					this.a_children.length ? '<a href="javascript: trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ')"><img src="' + this.get_icon(true) + '" border="0" align="absmiddle" name="j_img' + this.o_root.n_id + '_' + this.n_id + '"></a>'
										: '<img src="' + this.get_icon(true) + '" border="0" align="absmiddle">') 
			: '') ;
	var pageIndex = false;
	
	if (this.o_root.a_tpl['pageIndex'])
		pageIndex = window.location.href.toLowerCase().indexOf(this.o_root.a_tpl['pageIndex']) > -1 && this.a_config[1];
	
	var useTplPage = (this.a_config[1] && this.a_config[1].indexOf('/') < 0);
	
	pageIndex = pageIndex && useTplPage;

	retVal += '<a href="' + (pageIndex ? this.o_root.a_tpl['pageTrackHistory'] : (useTplPage ? this.o_root.a_tpl['page'] : '')) + this.a_config[1];
	retVal += '" target="' + (pageIndex ? this.o_root.a_tpl['pageTrackHistoryTarget'] : this.o_root.a_tpl['target']) + '"';
	retVal += ' onclick="trees[' + this.o_root.n_id + '].toggle(' + this.n_id + ');';
	if ( pageIndex )
	{
		retVal += 'trees[' + this.o_root.n_id + '].select(' + this.n_id + ');"';
	}
	else
	{
		retVal += 'return trees[' + this.o_root.n_id + '].select(' + this.n_id + ');"';
	}
	retVal += ' class="t' + this.n_depth + this.n_order + 'i  mainMenu" id="i_txt' + this.o_root.n_id + '_' + this.n_id + '">';

	retVal += '<img src="' + this.get_icon() + '" border="0" align="absmiddle" name="i_img' + this.o_root.n_id + '_' + this.n_id + '" class="t' + this.n_depth + this.n_order + 'im"><span class="' + this.span_class + '">' + this.a_config[0] + '</span></a></td></tr></table>' + (this.a_children.length ? '<div id="i_div' + this.o_root.n_id + '_' + this.n_id + '" style="display:none"></div>' : '');
	return retVal;
}

function item_get_icon (b_junction) 
{
	/*return this.o_root.a_tpl
		['icon_' + 
		(
			(this.n_depth ? 0 : 32) 
			+ (this.a_children.length ? 16 : 0) 
			+ (this.a_children.length && this.b_opened ? 8 : 0) 
			+ (!b_junction && this.o_root.o_selected == this ? 4 : 0) 
			+ (b_junction ? 2 : 0) 
			+ (b_junction && this.is_last() ? 1 : 0)
			+ ((!b_junction && (this.n_depth == 1)) ? 1 : 0)
		)
		];*/
		
		if (this.n_depth > 1)
		{
			if (b_junction)
				return this.o_root.a_tpl['icon_17'];
			else
				return this.o_root.a_tpl['icon_16'];
		}
		
		return this.o_root.a_tpl
		['icon_' + 
		(
			(this.n_depth ? 0 : 32) 
			+ (this.a_children.length ? 16 : 0) 
			+ (this.a_children.length && this.b_opened ? 8 : 0) 
			+ (!b_junction && this.o_root.o_selected == this ? 4 : 0) 
			+ (b_junction ? 2 : 0) 
			+ (b_junction && this.is_last() ? 1 : 0)
			+ ((!b_junction && (this.n_depth == 1)) ? 1 : 0)
		)
		];
}

var trees = [];
get_element = document.all ?
	function (s_id) { return document.all[s_id] } :
	function (s_id) { return document.getElementById(s_id) };