// 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.

onefolder    = true
norootclose  = false
closesubs    = false
norootselect = false



function tree (a_items, a_template) {

	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.toggle = function (n_id) {
            var o_item = this.a_index[n_id];
            if(!o_item.b_opened) {
                if (onefolder) expand_or_collapse_level(this,o_item.n_depth)
                };
            o_item.open(o_item.b_opened)
        };
        
        this.toggle2 = function (n_id) {
            var o_item = this.a_index[n_id];
            if(!o_item.b_opened) {
                if (onefolder) expand_or_collapse_level(this,o_item.n_depth)
                };
            o_item.open(false)
        };


	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(true);
		//this.a_children[i].open(true);
	}
}
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;

	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) {
     if (!(b_close && norootclose)) {  //**** to avoid collapsing of first voice
        //**** Added to close subfolders ****
        if (!manageall && closesubs) {for (var i = 0; i < this.a_children.length; i++)
            this.a_children[i].open(true)}
        //***********************************
        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_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 (!(this.n_depth==0 && norootselect)) {  //**** to avoid selection of first voice
        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();
     return Boolean(this.a_config[1]);

}

/*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';
	//get_element('i_txt' + this.o_root.n_id + '_' + this.n_id).style.color = b_deselect ? 'black' : 'red'; 
	
	this.upstatus();
	return Boolean(this.a_config[1]);
}*/

function item_upstatus (b_clear) {
	window.setTimeout('window.status="' + (b_clear ? '' : this.a_config[0] + (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() ? 'icon_e' : 'icon_l'] + '" border="0" align="center">';
		o_current_item = o_current_item.o_parent;
	}
	return '<table cellpadding="0" cellspacing="0" border="0"><tr><td nowrap>'
		 + (this.n_depth ? a_offset.join('') + (this.a_children.length
		? '<a href="javascript: trees[' + this.o_root.n_id + '].toggle(' + this.n_id 
		+ ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id 
		+ ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id 
		+ ')"><img src="' + this.get_icon(true) + '" border="0" align="absbottom" name="j_img' 
		+ this.o_root.n_id + '_' + this.n_id + '"></a>'
		: '<img src="' + this.get_icon(true) + '" border="0" align="absbottom">') : '') 
		+ '<a href="' + this.a_config[1] + '" target="' + this.o_root.a_tpl['target'] 
		+ '" onclick="trees[' + this.o_root.n_id + '].toggle2(' + this.n_id 
        + '); return trees[' + this.o_root.n_id + '].select(' + this.n_id + ')"'
        + ' ondblclick="trees[' + this.o_root.n_id + '].toggle(' + this.n_id 
        + ')" onmouseover="trees[' + this.o_root.n_id + '].mover(' + this.n_id 
		+ ')" onmouseout="trees[' + this.o_root.n_id + '].mout(' + this.n_id + ')" class="t' 
		+ this.o_root.n_id + 'i" id="i_txt' + this.o_root.n_id + '_' + this.n_id + '"><img src="' 
		+ this.get_icon() + '" border="0" align="absbottom" name="i_img' + this.o_root.n_id + '_' 
		+ this.n_id + '" class="t' + this.o_root.n_id + 'im">' + this.a_config[0] + '</a></td></tr></table>' 
		+ (this.a_children.length ? '<div id="i_div' + this.o_root.n_id + '_' + this.n_id 
		+ '" style="display:none"></div>' : '');
}

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))];
}

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

var manageall=false
function expand_or_collapse_all (o_tree, b_collapse) {
     manageall=true
     for (var i = 0; i < o_tree.a_index.length; i++) {
        var o_item = o_tree.a_index[i];
        o_item.open(b_collapse);
     }
     manageall=false
}

function expand_or_collapse_level (o_tree, level) {
     for (var i = 0; i < o_tree.a_index.length; i++) {
        var o_item = o_tree.a_index[i];
        if (o_item.n_depth==level) o_item.open(true);
     }
}