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Created: Mon, Feb 3, 1:26 AM

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	Index: branches/5.1.x/core/admin_templates/tree.tpl
	===================================================================
	--- branches/5.1.x/core/admin_templates/tree.tpl (revision 13435)
	+++ branches/5.1.x/core/admin_templates/tree.tpl (revision 13436)
	@@ -1,177 +1,182 @@
	<inp2:m_Set skip_last_template="1"/>
	<inp2:m_include t="incs/header" nobody="yes" noform="yes"/>
	<inp2:m_NoDebug/>

	<body class="tree-body" onresize="onTreeFrameResize();">

	<script type="text/javascript">
	var $last_width = null;

	function credits(url) {
	openwin(url, 'credits', 280, 520);
	}

	function onTreeFrameResize() {
	var $frameset = $('#sub_frameset', window.parent.document);
	if (!$frameset.length) {
	return ;
	}

	var $width = $frameset.attr('cols').split(',')[0];
	if (($width <= 0) \|\| ($width == $last_width)) {
	// don't save zero width
	return ;
	}

	getFrame('head').$FrameResizer.OpenWidth = $width;

	$.get(
	'<inp2:m_Link template="index" adm_event="OnSaveMenuFrameWidth" pass="m,adm" js_escape="1" no_amp="1"/>',
	{width: $width}
	);

	$last_width = $width;
	}
	</script>

	<script src="js/tree.js"></script>

	<table style="height: 100%; width: 100%; border-right: 1px solid #777; border-bottom: 1px solid #777;">
	<tr>
	<td colspan="2" style="vertical-align: top; padding: 5px;">
	<inp2:m_DefineElement name="xml_node" icon_module="">
	<inp2:m_if check="m_ParamEquals" param="children_count" value="0">
	<item href="<inp2:m_param name="section_url" js_escape="1"/>" priority="<inp2:m_param name="priority"/>" onclick="<inp2:m_param name="onclick" js_escape="1"/>" icon="<inp2:$SectionPrefix_ModulePath module="$icon_module"/>img/icons/icon24_<inp2:m_param name="icon"/>.png"<inp2:m_if check="m_Param" name="debug_only"> debug_only="1"</inp2:m_if>><inp2:m_phrase name="$label" escape="1"/></item>
	<inp2:m_else/>
	<folder href="<inp2:m_param name="section_url" js_escape="1"/>" priority="<inp2:m_param name="priority"/>" container="<inp2:m_param name="container"/>" onclick="<inp2:m_param name="onclick" js_escape="1"/>" name="<inp2:m_phrase name="$label" escape="1"/>" icon="<inp2:$SectionPrefix_ModulePath module="$icon_module"/>img/icons/icon24_<inp2:m_param name="icon"/>.png" load_url="<inp2:m_param name="late_load" js_escape="1"/>"<inp2:m_if check="m_Param" name="debug_only"> debug_only="1"</inp2:m_if>><inp2:adm_PrintSections render_as="xml_node" section_name="$section_name"/></folder>
	</inp2:m_if>
	</inp2:m_DefineElement>

	<table class="tree">
	<tbody id="tree">
	</tbody>
	</table>
	<script type="text/javascript">
	var TREE_ICONS_PATH = 'img/tree';
	var TREE_SHOW_PRIORITY = <inp2:m_if check="adm_ConstOn" name="DBG_SHOW_TREE_PRIORITY" debug_mode="1">1<inp2:m_else/>0</inp2:m_if>;
	+ var TREE_LOADING_NODE = {
	+ text: '<inp2:m_Phrase name="la_title_Loading"/>',
	+ icon: '<inp2:adm_ModulePath module="core"/>img/icons/icon24_loading.gif'
	+ };
	+
	<inp2:m_DefineElement name="root_node">
	var the_tree = new TreeFolder('tree', '<inp2:m_param name="label"/>', '<inp2:m_param name="section_url"/>', '<inp2:$SectionPrefix_ModulePath module="$icon_module"/>img/icons/icon24_<inp2:m_param name="icon"/>.png', null, null, '<inp2:m_param name="priority"/>', '<inp2:m_param name="container"/>');
	</inp2:m_DefineElement>
	<inp2:adm_PrintSection render_as="root_node" section_name="in-portal:root"/>

	the_tree.AddFromXML('<tree><inp2:adm_PrintSections render_as="xml_node" section_name="in-portal:root"/></tree>');

	<inp2:m_if check="adm_MainFrameLink">
	var fld = the_tree.locateItemByURL('<inp2:adm_MainFrameLink m_opener="r" no_amp="1"/>');
	if (fld) {
	fld.highLight();
	}
	else {
	the_tree.highLight();
	}
	<inp2:m_else/>
	the_tree.highLight();
	</inp2:m_if>
	</script>
	</td>
	</tr>
	</table>

	<script type="text/javascript">
	function checkCatalog($cat_id) {
	var $ret = checkEditMode(false);
	var $right_frame = getFrame('main');

	if ($ret && $right_frame.$is_catalog) {
	$right_frame.$Catalog.go_to_cat($cat_id);
	return 1; // this opens folder, but disables click
	}

	return $ret;
	}

	function setCatalogTab($prefix) {
	var $ret = checkEditMode(false);

	if ($ret) {
	var $right_frame = getFrame('main');
	var $catalog_type = (typeof $right_frame.$Catalog != 'undefined') ? $right_frame.$Catalog.type : '';

	// highlight "Structure & Data" node, when one of it's shortcut nodes are clicked
	<inp2:m_DefineElement name="section_url_element"><inp2:m_param name="section_url"/></inp2:m_DefineElement>
	var $structure_node = the_tree.locateItemByURL('<inp2:adm_PrintSection render_as="section_url_element" section_name="in-portal:browse"/>');

	if ($catalog_type == 'AdvancedView') {
	$right_frame.$Catalog.switchTab($prefix);
	return $structure_node; // this opens folder, but disables click
	}

	// this disabled click and causes other node to be highlighted
	return $structure_node;
	}

	return $ret;
	}

	function checkEditMode($reset_toolbar)
	{
	if (!isset($reset_toolbar)) {
	$reset_toolbar = true;
	}

	if ($reset_toolbar) {
	getFrame('head').$('#extra_toolbar').html('');
	}

	var $phrase = "<inp2:adm_TreeEditWarrning label='la_EditingInProgress' escape='1'/>";
	if (getFrame('main').$edit_mode) {
	return confirm($phrase) ? true : false;
	}

	return true;
	}

	function ReloadFolder(url, with_late_load)
	{
	if (!with_late_load) with_late_load = false;
	var fld = the_tree.locateItemByURL(url, with_late_load);
	if (fld) {
	fld.reload();
	}
	}

	function ShowStructure($url, $visible)
	{
	var fld = the_tree.locateItemByURL($url, true);
	if (fld) {
	if ($visible) {
	fld.expand();
	}
	else {
	fld.collapse();
	}

	}
	}

	function SyncActive(url) {
	var fld = the_tree.locateItemByURL(url);
	if (fld) {
	fld.highLight();
	}
	}

	<inp2:m_if check="m_GetConfig" name="DebugOnlyFormConfigurator">
	<inp2:m_ifnot check="m_IsDebugMode">
	<inp2:m_DefineElement name="forms_node">
	var $forms_node = the_tree.locateItemByURL('<inp2:m_param name="section_url" js_escape="1"/>');
	$forms_node.Container = true;
	</inp2:m_DefineElement>
	<inp2:adm_PrintSection render_as="forms_node" section_name="in-portal:forms"/>
	</inp2:m_ifnot>
	</inp2:m_if>
	</script>

	<!--## when form is on top, then 100% height is broken ##-->
	<inp2:m_RenderElement name="kernel_form"/>
	<inp2:m_include t="incs/footer"/>
	\ No newline at end of file
	Index: branches/5.1.x/core/admin_templates/img/icons/icon24_loading.gif
	===================================================================
	Cannot display: file marked as a binary type.
	svn:mime-type = application/octet-stream

	Property changes on: branches/5.1.x/core/admin_templates/img/icons/icon24_loading.gif
	___________________________________________________________________
	Added: svn:mime-type
	## -0,0 +1 ##
	+application/octet-stream
	\ No newline at end of property
	Index: branches/5.1.x/core/admin_templates/js/tree.js
	===================================================================
	--- branches/5.1.x/core/admin_templates/js/tree.js (revision 13435)
	+++ branches/5.1.x/core/admin_templates/js/tree.js (revision 13436)
	@@ -1,671 +1,692 @@
	var last_hightlighted = null;
	var last_highlighted_key = null;

	function TreeItem(title, url, icon, onclick, priority, debug_only)
	{
	this.Title = title;
	this.Url = url;
	this.Rendered = false;
	this.Displayed = false;
	this.Level = 0;
	this.Icon = icon;
	this.Onclick = onclick;
	this.Priority = isset(priority) ? priority : false;
	this.debugOnly = isset(debug_only) ? debug_only : false;
	this.Children = false;
	}

	TreeItem.prototype.isFolder = function()
	{
	return typeof(this.folderClick) == 'function';
	}

	TreeItem.prototype.isContainer = function()
	{
	return this.isFolder() && this.Container;
	}

	TreeItem.prototype.Render = function(before, force)
	{
	if (!this.Rendered \|\| force) {
	if (!isset(before)) {before = null}

	tr = document.createElement('tr');
	this.ParentElement.insertBefore(tr, before);
	if (!this.Displayed) { tr.style.display = 'none' }
	td = document.createElement('td');
	td.TreeElement = this;
	tr.appendChild(td);

	this.appendLevel(td);
	if (this.ParentFolder != null) this.appendNodeImage(td);
	this.appendIcon(td);
	this.appendLink(td);

	this.Tr = tr;
	this.Rendered = true;
	// alert(this.Tr.innerHTML)
	}
	}

	TreeItem.prototype.remove = function()
	{
	var p = this.Tr.parentNode;
	p.removeChild(this.Tr);
	}

	TreeItem.prototype.appendLevel = function(td)
	{
	for (var i=0; i < this.Level; i++)
	{
	img = document.createElement('img');
	img.style.width = '16px';
	img.style.height = '22px';
	img.src = TREE_ICONS_PATH+'/ftv2blank.gif';
	img.style.verticalAlign = 'middle';
	td.appendChild(img);
	}
	}

	TreeItem.prototype.getNodeImage = function(is_last)
	{
	return is_last ? TREE_ICONS_PATH+'/ftv2lastnode.gif' : TREE_ICONS_PATH+'/ftv2node.gif';
	}

	TreeItem.prototype.appendNodeImage = function(td)
	{
	img = document.createElement('img');
	img.style.width = '16px';
	img.style.height = '22px';
	img.src = this.getNodeImage();
	img.style.verticalAlign = 'middle';
	td.appendChild(img);
	}

	TreeItem.prototype.appendIcon = function (td)
	{
	img = document.createElement('img');
	// img.style.width = '24px';
	// img.style.height = '22px';
	if (this.Icon.indexOf('http://') != -1) {
	img.src = this.Icon;
	}
	else {
	img.src = this.Icon;
	}
	img.style.verticalAlign = 'middle';
	td.appendChild(img);
	}

	TreeItem.prototype.appendLink = function (td)
	{
	var $node_text = document.createElement('span');
	$node_text.innerHTML = this.Title;
	if (TREE_SHOW_PRIORITY && this.Priority !== false) {
	$node_text.innerHTML += '<span class="priority"><sup>' + this.Priority + '</sup></span>';
	}

	link = document.createElement('a');
	link.nodeValue = this.Title;

	if (this.debugOnly) {
	link.className = 'debug-only-item';
	}

	link.href = this.Url;
	link.target = 'main';
	link.appendChild($node_text);

	link.treeItem = this;
	//addEvent(link, 'click',

	link.onclick =
	function(ev) {
	var e = is.ie ? window.event : ev;

	res = true;
	if (isset(this.treeItem.Onclick)) {
	res = eval(this.treeItem.Onclick);
	}
	if (!res) { // if we need to cancel onclick action
	if (is.ie) {
	window.event.cancelBubble = true;
	window.event.returnValue = false;
	} else {
	ev.preventDefault();
	ev.stopPropagation();
	}
	return res;
	}
	else {
	// ensures, that click is made before AJAX request will be sent
	var $res_type = Object.prototype.toString.call(res);

	if ((res === true) \|\| ($res_type == '[object Object]')) {
	// in case of "true" is returned, used in catalog
	// in case of object (tree node) is returned, used in advanced view
	if (this.treeItem.isContainer()) {
	this.href = this.treeItem.locateFirstItem().Url;
	}

	getFrame(link.target).location.href = this.href;
	}

	if (!this.treeItem.Expanded && this.treeItem.isFolder()) {
	if (this.treeItem.folderClick());
	}

	if ($res_type == '[object Object]') {
	// highlight returned tree node instead of clicked one
	res.highLight(false); // don't expand such node
	}
	else {
	this.treeItem.highLight();
	}

	return false;
	}
	}

	td.appendChild(link);

	/*
	if (this.LateLoadURL) {
	var span = document.createElement('span');
	span.innerHTML = ' Reload';
	span.treeItem = this;
	span.onclick = function(ev) {
	this.treeItem.reload();
	}
	td.appendChild(span);
	}
	*/
	}

	TreeItem.prototype.display = function()
	{
	this.Tr.style.display = ''; // is.ie ? 'block' : 'table-row';
	this.Displayed = true;

	var do_sub = TreeManager.isExpanded(this.Key);
	if (this.Children && do_sub && !this.Expanding) {
	this.expand();
	}

	if (this.ParentFolder != null && !this.ParentFolder.Expanded) {
	this.ParentFolder.expand();
	}
	}

	TreeItem.prototype.hide = function()
	{
	this.Tr.style.display = 'none';
	this.Displayed = false;
	}

	TreeItem.prototype.highLight = function($auto_expand)
	{
	if ($auto_expand === undefined) {
	$auto_expand = true;
	}

	if (last_hightlighted) {
	last_hightlighted.Tr.className = '';
	}

	if (this.Children && this.Children.length > 0 && this.isContainer()) {
	if (!this.Expanded && $auto_expand) {
	this.expand();
	}

	this.Children[0].highLight($auto_expand);
	return;
	}

	this.Tr.className = "highlighted";
	last_hightlighted = this;
	last_highlighted_key = this.Key;
	if (!this.Expanded && $auto_expand) {
	this.expand();
	}
	}

	TreeItem.prototype.expand = function() {
	this.display();
	}

	TreeItem.prototype.collapse = function() { this.hide() }

	TreeItem.prototype.updateLastNodes = function(is_last, lines_pattern)
	{
	if (!isset(is_last)) is_last = true;
	if (!isset(this.Tr)) return;
	if (!isset(lines_pattern)) { var lines_pattern = new Array() }

	imgs = this.Tr.getElementsByTagName('img');
	found = false;
	for (var i=0; i<imgs.length; i++)
	{
	the_img = imgs.item(i);
	if (in_array(i, lines_pattern) && the_img.src.indexOf('ftv2blank.gif') != -1) {
	the_img.src = TREE_ICONS_PATH+'/ftv2vertline.gif';
	}
	if (this.isNodeImage(the_img))
	{
	found = true;
	break;
	}
	}
	if (found) {
	the_img.src = this.getNodeImage(is_last);
	}
	this.isLast = is_last;
	return lines_pattern;
	}

	TreeItem.prototype.isNodeImage = function(img)
	{
	return (
	img.src.indexOf('ftv2node.gif') != -1 \|\|
	img.src.indexOf('ftv2lastnode.gif') != -1
	)

	}

	TreeItem.prototype.locateLastItem = function()
	{
	return this;
	}

	TreeItem.prototype.locateItemByURL = function(url)
	{
	if (this.Url == url) return this;
	return false;
	}

	TreeItem.prototype.locateItemByKey = function(key)
	{
	if (this.Key == key) return this;
	return false;
	}

	TreeItem.prototype.reload = function()
	{
	}

	/* FOLDER */

	function TreeFolder(parent_id, title, url, icon, late_load_url, onclick, priority, container, debug_only)
	{
	var render = false;
	if (isset(parent_id)) {
	this.ParentElement = document.getElementById(parent_id);
	render = true;
	}
	else {

	}

	this.Title = title;
	this.Url = url;
	this.Rendered = false;
	this.Displayed = false;
	this.Expanded = false;
	this.Level = 0;
	this.Id = 0;
	this.Tr = null;
	this.Icon = icon;
	this.LateLoadURL = isset(late_load_url) ? late_load_url : false;
	this.Loaded = false;
	this.Onclick = onclick;
	this.Priority = isset(priority) ? priority : false;
	this.debugOnly = isset(debug_only) ? debug_only : false;
	this.Container = isset(container) ? parseInt(container) : false;

	this.Children = new Array();
	this.ChildIndex = 0;
	this.Reloading = false;

	if (render) {
	this.Expanded = true;
	this.Displayed = true;
	this.Render();
	this.expand();
	}
	}

	TreeFolder.prototype = new TreeItem;

	TreeFolder.prototype.locateLastItem = function()
	{
	if (this.Children.length == 0) return this;

	for (var i=0; i<this.Children.length; i++)
	{
	last_item = this.Children[i].locateLastItem()
	}
	return last_item;
	}

	TreeFolder.prototype.locateFirstItem = function()
	{
	var $folder_node = this;
	while ($folder_node.isContainer() && $folder_node.Children.length > 0) {
	$folder_node = $folder_node.Children[0];
	}

	return $folder_node;
	}

	TreeFolder.prototype.locateItemByURL = function(url, with_late_load)
	{
	last_item = false;

	if (this.Url == url && ( (with_late_load && this.LateLoadURL) \|\| !with_late_load) ) {
	return this;
	}

	for (var i=0; i<this.Children.length; i++)
	{
	last_item = this.Children[i].locateItemByURL(url, with_late_load)
	if (last_item) return last_item;
	}
	return last_item;
	}

	TreeFolder.prototype.locateItemByKey = function(key)
	{
	last_item = false;
	if (this.Key == key) {
	return this;
	}

	for (var i=0; i<this.Children.length; i++)
	{
	last_item = this.Children[i].locateItemByKey(key)
	if (last_item) return last_item;
	}
	return last_item;
	}

	TreeFolder.prototype.locateTopItem = function()
	{
	if (this.ParentFolder == null) return this;
	return this.ParentFolder.locateTopItem();
	}

	TreeFolder.prototype.AddItem = function(an_item, render, display) {
	an_item.ParentElement = this.ParentElement;
	an_item.Level = this.ParentFolder != null ? this.Level + 1 : 0;
	an_item.ParentFolder = this;

	last_item = this.locateLastItem();
	this.Children.push(an_item);
	an_item.Id = this.Children.length;
	an_item.Render(last_item.Tr.nextSibling);

	var keys = new Array()
	var tmp = an_item;
	keys.push(tmp.Level + '_' + tmp.Id);
	while (tmp.ParentFolder) {
	tmp = tmp.ParentFolder
	keys.push(tmp.Level + '_' + tmp.Id);
	}
	keys = keys.reverse();
	key_str = keys.join('-');
	an_item.Key = key_str;

	if (this.Expanded)
	{
	an_item.display();
	}

	return an_item;
	}

	TreeFolder.prototype.AddFromXML = function(xml, render)
	{
	// start = new Date();
	if (!isset(render)) render = true;
	doc = getDocumentFromXML(xml);
	this.LastFolder = this;
	this.ProcessXMLNode(doc, render);
	// end = new Date();
	this.locateTopItem().updateLastNodes();
	// alert('AddFromXML took: '+(end - start))
	}

	TreeFolder.prototype.ProcessXMLNode = function(node, render)
	{
	if (!isset(render)) render = true;
	if (!isset(this.LastFolder)) this.LastFolder = this;
	for (var i=0; i<node.childNodes.length; i++)
	{
	child = node.childNodes.item(i);
	if (child.tagName == 'folder') {
	var backupLastFolder = this.LastFolder;
	this.LastFolder = this.LastFolder.AddItem(new TreeFolder(null, child.getAttribute('name'), child.getAttribute('href'), child.getAttribute('icon'), child.getAttribute('load_url'), child.getAttribute('onclick'), child.getAttribute('priority'), child.getAttribute('container'), child.getAttribute('debug_only')), render);
	if (child.hasChildNodes) {
	this.ProcessXMLNode(child);
	}
	this.LastFolder = backupLastFolder;
	}
	else if (child.tagName == 'item') {
	this.LastFolder.AddItem(new TreeItem(child.firstChild.nodeValue, child.getAttribute('href'), child.getAttribute('icon'), child.getAttribute('onclick'), child.getAttribute('priority'), child.getAttribute('debug_only')), render)
	}
	else if (child.tagName == 'tree') {
	this.LastFolder = this;
	this.ProcessXMLNode(child);
	}
	}
	}

	TreeFolder.prototype.getNodeImage = function(is_last)
	{
	if (is_last) {
	return this.Expanded ? TREE_ICONS_PATH+'/ftv2mlastnode.gif' : TREE_ICONS_PATH+'/ftv2plastnode.gif';
	}
	else {
	return this.Expanded ? TREE_ICONS_PATH+'/ftv2mnode.gif' : TREE_ICONS_PATH+'/ftv2pnode.gif';
	}
	}

	TreeFolder.prototype.appendNodeImage = function(td, is_last)
	{
	img = document.createElement('img');
	img.style.width = '16px';
	img.style.height = '22px';
	img.src = this.getNodeImage(is_last);
	img.style.cursor = 'hand';
	img.style.cursor = 'pointer';
	img.style.verticalAlign = 'middle';
	img.onclick = function() { this.parentNode.TreeElement.folderClick(this) }
	this.Img = img;
	td.appendChild(img);
	}

	TreeFolder.prototype.updateLastNodes = function(is_last, lines_pattern)
	{
	if (!isset(is_last)) is_last = true;
	if (!isset(lines_pattern)) { var lines_pattern = new Array() }
	if (!is_last && !in_array(this.Level, lines_pattern)) { lines_pattern.push(this.Level) }

	lines_pattern = TreeItem.prototype.updateLastNodes.apply(this, new Array(is_last, lines_pattern))

	for (var i=0; i<this.Children.length; i++)
	{
	lines_pattern = this.Children[i].updateLastNodes((i+1) == this.Children.length, lines_pattern)
	}
	lines_pattern[array_search(this.Level, lines_pattern)] = -1;
	return lines_pattern;
	}

	TreeFolder.prototype.isNodeImage = function(img)
	{
	return (
	img.src.indexOf('ftv2mlastnode.gif') != -1 \|\|
	img.src.indexOf('ftv2plastnode.gif') != -1 \|\|
	img.src.indexOf('ftv2mnode.gif') != -1 \|\|
	img.src.indexOf('ftv2pnode.gif') != -1
	)

	}

	TreeFolder.prototype.folderClick = function(img)
	{
	if (this.Expanded) {
	this.collapse();
	}
	else {
	this.expand();
	}
	}

	TreeFolder.prototype.remove = function()
	{
	this.removeChildren();
	var p = this.Tr.parentNode;
	p.removeChild(this.Tr);
	}

	TreeFolder.prototype.removeChildren = function()
	{
	for (var i=0; i<this.Children.length; i++) {
	this.Children[i].remove();
	}
	this.Children = new Array();
	}

	TreeFolder.prototype.successCallback = function ($request, $params, $object) {
	- if ($params == 'reload') {
	+ /*if ($params == 'reload') {
	$object.removeChildren();
	- }
	+ }*/
	+
	+ $object.removeChildren(); // will also remove "Loading ..." node
	+
	$object.Loaded = true;
	$object.ProcessXMLNode($request.responseXML);
	$object.Render();
	$object.locateTopItem().updateLastNodes();
	$object.expand();
	if (last_highlighted_key) {
	var fld = $object.locateItemByKey(last_highlighted_key)
	if (fld) {
	fld.highLight();
	}
	}

	$object.Reloading = false;
	}

	TreeFolder.prototype.reload = function()
	{
	if (this.Reloading) {
	return ;
	}

	this.Reloading = true;

	+ // add "Loading ..." node
	+ this.AddLoadingNode();
	+
	+ // sending request to receive items
	Request.headers['Content-type'] = 'text/xml';
	Request.makeRequest(this.LateLoadURL, false, '', this.successCallback, this.errorCallback, 'reload', this);
	}

	TreeFolder.prototype.errorCallback = function($request, $params, $object) {
	alert('AJAX ERROR: ' + Request.getErrorHtml($request));

	$object.Reloading = false;
	}

	TreeFolder.prototype.expand = function(mode)
	{
	if (this.Expanding) {
	return;
	}
	this.Expanding = true;

	if (!isset(mode)) mode = 0;
	this.display();
	if (mode == 0 \|\| this.Expanded ) {
	for (var i=0; i<this.Children.length; i++)
	{
	this.Children[i].expand(mode+1);
	}
	}
	if (mode == 0) {
	if (this.LateLoadURL && !this.Loaded) {
	+ // add "Loading ..." node
	+ this.AddLoadingNode();
	+
	+ // sending request to receive items
	Request.headers['Content-type'] = 'text/xml';
	Request.makeRequest(this.LateLoadURL, false, '', this.successCallback, this.errorCallback, '', this);
	}
	this.Expanded = true;
	TreeManager.markStatus(this.Key, 1)
	if (isset(this.Img)) {
	this.Img.src = this.getNodeImage(this.isLast);
	}
	}
	this.Expanding = false;
	}

	+TreeFolder.prototype.AddLoadingNode = function() {
	+ // remove all current children (including "Loading ...")
	+ this.removeChildren();
	+
	+ // add "Loading ..." node
	+ var $loading_item = this.AddItem(new TreeItem(TREE_LOADING_NODE.text, '#', TREE_LOADING_NODE.icon, '', 1), true);
	+ this.locateTopItem().updateLastNodes();
	+ $loading_item.display();
	+}
	+
	TreeFolder.prototype.collapse = function(mode)
	{
	if (!isset(mode)) mode = 0;
	for (var i=0; i<this.Children.length; i++)
	{
	this.Children[i].collapse(mode+1);
	this.Children[i].hide();
	}
	if (mode == 0) {
	this.Expanded = false;
	TreeManager.markStatus(this.Key, 0)
	if (isset(this.Img)) {
	this.Img.src = this.getNodeImage(this.isLast);
	}
	}
	}


	function TreeManager() {}

	TreeManager.ExpandStatus = {};

	TreeManager.markStatus = function(id, status)
	{
	this.ExpandStatus[id] = status;
	if (!status) {
	for (var i in this.ExpandStatus) {
	if (i.indexOf(id) == 0) { // if i starts with the same as id, meaning it is its child node
	this.ExpandStatus[i] = 0;
	}
	}
	}
	TreeManager.saveStatus()
	}

	TreeManager.isExpanded = function(id)
	{
	return (this.ExpandStatus[id] == 1);
	}

	TreeManager.saveStatus = function ()
	{
	var cookieString = new Array();

	for (var i in this.ExpandStatus) {
	if (this.ExpandStatus[i] == 1) {
	cookieString.push(i);
	}
	}
	document.cookie = 'TreeExpandStatus=' + cookieString.join(':');
	}

	TreeManager.loadStatus = function () {
	var $tree_status = getCookie('TreeExpandStatus');
	if (!$tree_status) {
	return ;
	}

	$tree_status = $tree_status.split(':');
	for (var $i = 0; $i < $tree_status.length; $i++) {
	this.ExpandStatus[$tree_status[$i]] = true;
	}

	// print_pre(this.ExpandStatus);
	}

	TreeManager.loadStatus();
	\ No newline at end of file

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