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	diff --git a/program/steps/settings/edit_prefs.inc b/program/steps/settings/edit_prefs.inc
	index 05f4db6a6..b72c3e73f 100644
	--- a/program/steps/settings/edit_prefs.inc
	+++ b/program/steps/settings/edit_prefs.inc
	@@ -1,83 +1,87 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/settings/edit_prefs.inc \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2013, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Provide functionality for user's settings & preferences \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/


	if (!$OUTPUT->ajax_call) {
	$OUTPUT->set_pagetitle($RCMAIL->gettext('preferences'));
	}

	$CURR_SECTION = rcube_utils::get_input_value('_section', rcube_utils::INPUT_GPC);
	list($SECTIONS,) = rcmail_user_prefs($CURR_SECTION);

	// register UI objects
	$OUTPUT->add_handlers(array(
	'userprefs' => 'rcmail_user_prefs_form',
	'sectionname' => 'rcmail_prefs_section_name',
	));

	$OUTPUT->send('settingsedit');



	function rcmail_user_prefs_form($attrib)
	{
	global $RCMAIL, $CURR_SECTION, $SECTIONS;

	// add some labels to client
	$RCMAIL->output->add_label('nopagesizewarning');

	unset($attrib['form']);

	list($form_start, $form_end) = get_form_tags($attrib, 'save-prefs', null,
	array('name' => '_section', 'value' => $CURR_SECTION));

	$out = $form_start;

	+ if(!empty($SECTIONS[$CURR_SECTION]['header'])) {
	+ $out .= html::div(array('id' => 'preferences-header', 'class' =>'boxcontent'), $SECTIONS[$CURR_SECTION]['header']);
	+ }
	+
	foreach ($SECTIONS[$CURR_SECTION]['blocks'] as $class => $block) {
	if (!empty($block['options'])) {
	$table = new html_table(array('cols' => 2));

	foreach ($block['options'] as $option) {
	if (isset($option['title'])) {
	$table->add('title', $option['title']);
	$table->add(null, $option['content']);
	}
	else {
	$table->add(array('colspan' => 2), $option['content']);
	}
	}

	$out .= html::tag('fieldset', $class, html::tag('legend', null, $block['name']) . $table->show($attrib));
	}
	else if (!empty($block['content'])) {
	$out .= html::tag('fieldset', null, html::tag('legend', null, $block['name']) . $block['content']);
	}
	}

	return $out . $form_end;
	}

	function rcmail_prefs_section_name()
	{
	global $SECTIONS, $CURR_SECTION;

	return $SECTIONS[$CURR_SECTION]['section'];
	}
	diff --git a/program/steps/settings/func.inc b/program/steps/settings/func.inc
	index bccd9caa8..4b4575f10 100644
	--- a/program/steps/settings/func.inc
	+++ b/program/steps/settings/func.inc
	@@ -1,1372 +1,1379 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/settings/func.inc \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2013, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Provide functionality for user's settings & preferences \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/

	if (!$OUTPUT->ajax_call) {
	$OUTPUT->set_pagetitle($RCMAIL->gettext('preferences'));
	}

	// register UI objects
	$OUTPUT->add_handlers(array(
	'settingstabs' => 'rcmail_settings_tabs',
	'prefsframe' => 'rcmail_preferences_frame',
	'sectionslist' => 'rcmail_sections_list',
	'identitieslist' => 'rcmail_identities_list',
	));

	// register action aliases
	$RCMAIL->register_action_map(array(
	'folders' => 'folders.inc',
	'rename-folder' => 'folders.inc',
	'delete-folder' => 'folders.inc',
	'subscribe' => 'folders.inc',
	'unsubscribe' => 'folders.inc',
	'purge' => 'folders.inc',
	'folder-size' => 'folders.inc',
	'add-identity' => 'edit_identity.inc',
	'add-response' => 'edit_response.inc',
	'save-response' => 'edit_response.inc',
	'delete-response' => 'responses.inc',
	));


	// similar function as /steps/settings/identities.inc::rcmail_identity_frame()
	function rcmail_preferences_frame($attrib)
	{
	global $OUTPUT;

	if (!$attrib['id']) {
	$attrib['id'] = 'rcmprefsframe';
	}

	return $OUTPUT->frame($attrib, true);
	}


	function rcmail_sections_list($attrib)
	{
	global $RCMAIL;

	// add id to message list table if not specified
	if (!strlen($attrib['id'])) {
	$attrib['id'] = 'rcmsectionslist';
	}

	list($list, $cols) = rcmail_user_prefs();

	// create XHTML table
	$out = $RCMAIL->table_output($attrib, $list, $cols, 'id');

	// set client env
	$RCMAIL->output->add_gui_object('sectionslist', $attrib['id']);
	$RCMAIL->output->include_script('list.js');

	return $out;
	}


	function rcmail_identities_list($attrib)
	{
	global $OUTPUT, $RCMAIL;

	// add id to message list table if not specified
	if (!strlen($attrib['id'])) {
	$attrib['id'] = 'rcmIdentitiesList';
	}

	// get identities list and define 'mail' column
	$list = $RCMAIL->user->list_identities();
	foreach ($list as $idx => $row) {
	$list[$idx]['mail'] = trim($row['name'] . ' <' . rcube_utils::idn_to_utf8($row['email']) .'>');
	}

	// get all identites from DB and define list of cols to be displayed
	$plugin = $RCMAIL->plugins->exec_hook('identities_list', array(
	'list' => $list,
	'cols' => array('mail')
	));

	// @TODO: use <UL> instead of <TABLE> for identities list
	// create XHTML table
	$out = $RCMAIL->table_output($attrib, $plugin['list'], $plugin['cols'], 'identity_id');

	// set client env
	$OUTPUT->add_gui_object('identitieslist', $attrib['id']);

	return $out;
	}


	// similar function as in /steps/addressbook/edit.inc
	function get_form_tags($attrib, $action, $id = null, $hidden = null)
	{
	global $EDIT_FORM, $RCMAIL;

	$form_start = $form_end = '';

	if (empty($EDIT_FORM)) {
	$request_key = $action . (isset($id) ? '.'.$id : '');
	$form_start = $RCMAIL->output->request_form(array(
	'name' => 'form',
	'method' => 'post',
	'task' => $RCMAIL->task,
	'action' => $action,
	'request' => $request_key,
	'noclose' => true
	) + $attrib);

	if (is_array($hidden)) {
	$hiddenfields = new html_hiddenfield($hidden);
	$form_start .= $hiddenfields->show();
	}

	$form_end = !strlen($attrib['form']) ? '</form>' : '';

	$EDIT_FORM = !empty($attrib['form']) ? $attrib['form'] : 'form';
	$RCMAIL->output->add_gui_object('editform', $EDIT_FORM);
	}

	return array($form_start, $form_end);
	}


	function rcmail_user_prefs($current = null)
	{
	global $RCMAIL;

	$sections['general'] = array('id' => 'general', 'section' => $RCMAIL->gettext('uisettings'));
	$sections['mailbox'] = array('id' => 'mailbox', 'section' => $RCMAIL->gettext('mailboxview'));
	$sections['mailview'] = array('id' => 'mailview','section' => $RCMAIL->gettext('messagesdisplaying'));
	$sections['compose'] = array('id' => 'compose', 'section' => $RCMAIL->gettext('messagescomposition'));
	$sections['addressbook'] = array('id' => 'addressbook','section' => $RCMAIL->gettext('addressbook'));
	$sections['folders'] = array('id' => 'folders', 'section' => $RCMAIL->gettext('specialfolders'));
	$sections['server'] = array('id' => 'server', 'section' => $RCMAIL->gettext('serversettings'));

	// hook + define list cols
	$plugin = $RCMAIL->plugins->exec_hook('preferences_sections_list',
	array('list' => $sections, 'cols' => array('section')));

	$sections = $plugin['list'];
	$config = $RCMAIL->config->all();
	$no_override = array_flip((array)$RCMAIL->config->get('dont_override'));

	foreach ($sections as $idx => $sect) {
	if ($current && $sect['id'] != $current) {
	continue;
	}

	$blocks = array();

	switch ($sect['id']) {

	// general
	case 'general':
	$blocks = array(
	'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
	'skin' => array('name' => rcube::Q($RCMAIL->gettext('skin'))),
	'browser' => array('name' => rcube::Q($RCMAIL->gettext('browseroptions'))),
	'advanced'=> array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
	);

	// language selection
	if (!isset($no_override['language'])) {
	if (!$current) {
	continue 2;
	}

	$a_lang = $RCMAIL->list_languages();
	asort($a_lang);

	$field_id = 'rcmfd_lang';
	$select = new html_select(array('name' => '_language', 'id' => $field_id));
	$select->add(array_values($a_lang), array_keys($a_lang));

	$blocks['main']['options']['language'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('language'))),
	'content' => $select->show($RCMAIL->user->language),
	);
	}

	// timezone selection
	if (!isset($no_override['timezone'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_timezone';
	$select = new html_select(array('name' => '_timezone', 'id' => $field_id));
	$select->add($RCMAIL->gettext('autodetect'), 'auto');

	$zones = array();
	foreach (DateTimeZone::listIdentifiers() as $i => $tzs) {
	try {
	$tz = new DateTimeZone($tzs);
	$date = new DateTime('2012-12-21', $tz);
	$offset = $date->format('Z') + 45000;
	$sortkey = sprintf('%06d.%s', $offset, $tzs);
	$zones[$sortkey] = array($tzs, $date->format('P'));
	}
	catch (Exception $e) {}
	}

	ksort($zones);

	foreach ($zones as $zone) {
	list($tzs, $offset) = $zone;
	$select->add('(GMT ' . $offset . ') ' . strtr($tzs, '_', ' '), $tzs);
	}

	$blocks['main']['options']['timezone'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('timezone'))),
	'content' => $select->show((string)$config['timezone']),
	);
	}

	// date/time formatting
	if (!isset($no_override['time_format'])) {
	if (!$current) {
	continue 2;
	}

	$reftime = mktime(7,30,0);
	$defaults = array('G:i', 'H:i', 'g:i a', 'h:i A');
	$formats = (array)$RCMAIL->config->get('time_formats', $defaults);
	$field_id = 'rcmfd_time_format';
	$select = new html_select(array('name' => '_time_format', 'id' => $field_id));

	foreach ($formats as $choice) {
	$select->add(date($choice, $reftime), $choice);
	}

	$blocks['main']['options']['time_format'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('timeformat'))),
	'content' => $select->show($RCMAIL->config->get('time_format')),
	);
	}

	if (!isset($no_override['date_format'])) {
	if (!$current) {
	continue 2;
	}

	$refdate = mktime(12,30,0,7,24);
	$defaults = array('Y-m-d','d-m-Y','Y/m/d','m/d/Y','d/m/Y','d.m.Y','j.n.Y');
	$formats = (array)$RCMAIL->config->get('date_formats', $defaults);
	$field_id = 'rcmfd_date_format';
	$select = new html_select(array('name' => '_date_format', 'id' => $field_id));

	foreach ($formats as $choice) {
	$select->add(date($choice, $refdate), $choice);
	}

	$blocks['main']['options']['date_format'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('dateformat'))),
	'content' => $select->show($config['date_format']),
	);
	}

	// Show checkbox for toggling 'pretty dates'
	if (!isset($no_override['prettydate'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_prettydate';
	$input = new html_checkbox(array('name' => '_pretty_date', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['prettydate'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('prettydate'))),
	'content' => $input->show($config['prettydate']?1:0),
	);
	}

	if (!isset($no_override['refresh_interval'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_refresh_interval';
	$select = new html_select(array('name' => '_refresh_interval', 'id' => $field_id));

	$select->add($RCMAIL->gettext('never'), 0);
	foreach (array(1, 3, 5, 10, 15, 30, 60) as $min) {
	if (!$config['min_refresh_interval'] \|\| $config['min_refresh_interval'] <= $min * 60) {
	$label = $RCMAIL->gettext(array('name' => 'everynminutes', 'vars' => array('n' => $min)));
	$select->add($label, $min);
	}
	}

	$blocks['main']['options']['refresh_interval'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('refreshinterval'))),
	'content' => $select->show($config['refresh_interval']/60),
	);
	}

	// show drop-down for available skins
	if (!isset($no_override['skin'])) {
	if (!$current) {
	continue 2;
	}

	$skins = rcmail_get_skins();

	if (count($skins) > 1) {
	$field_id = 'rcmfd_skin';
	$input = new html_radiobutton(array('name'=>'_skin'));

	foreach ($skins as $skin) {
	$thumbnail = "./skins/$skin/thumbnail.png";
	if (!is_file($thumbnail))
	$thumbnail = './program/resources/blank.gif';

	$skinname = ucfirst($skin);
	$author_link = $license_link = '';
	$meta = @json_decode(@file_get_contents("./skins/$skin/meta.json"), true);

	if (is_array($meta) && $meta['name']) {
	$skinname = $meta['name'];
	$author_link = $meta['url'] ? html::a(array('href' => $meta['url'], 'target' => '_blank'), rcube::Q($meta['author'])) : rcube::Q($meta['author']);
	$license_link = $meta['license-url'] ? html::a(array('href' => $meta['license-url'], 'target' => '_blank'), rcube::Q($meta['license'])) : rcube::Q($meta['license']);
	}

	$skinnames[] = mb_strtolower($skinname);
	$blocks['skin']['options'][$skin]['content'] = html::label(array('class' => 'skinselection'),
	html::span('skinitem', $input->show($config['skin'], array('value' => $skin, 'id' => $field_id.$skin))) .
	html::span('skinitem', html::img(array('src' => $thumbnail, 'class' => 'skinthumbnail', 'alt' => $skin, 'width' => 64, 'height' => 64))) .
	html::span('skinitem', html::span('skinname', rcube::Q($skinname)) . html::br() .
	html::span('skinauthor', $author_link ? 'by ' . $author_link : '') . html::br() .
	html::span('skinlicense', $license_link ? $RCMAIL->gettext('license').': ' . $license_link : ''))
	);
	}
	array_multisort($blocks['skin']['options'], SORT_ASC, SORT_STRING, $skinnames);
	}
	}

	// standard_windows option decides if new windows should be
	// opened as popups or standard windows (which can be handled by browsers as tabs)
	if (!isset($no_override['standard_windows'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_standard_windows';
	$checkbox = new html_checkbox(array('name' => '_standard_windows', 'id' => $field_id, 'value' => 1));

	$blocks['browser']['options']['standard_windows'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('standardwindows'))),
	'content' => $checkbox->show($config['standard_windows']?1:0),
	);
	}

	if ($current) {
	$product_name = $RCMAIL->config->get('product_name', 'Roundcube Webmail');
	$RCMAIL->output->add_script(sprintf("%s.check_protocol_handler('%s', '#mailtoprotohandler');",
	rcmail_output::JS_OBJECT_NAME, rcube::JQ($product_name)), 'docready');
	}

	$blocks['browser']['options']['mailtoprotohandler'] = array(
	'content' => html::a(array(
	'href' => '#',
	'id' => 'mailtoprotohandler'
	),
	rcube::Q($RCMAIL->gettext('mailtoprotohandler'))) .
	html::span('mailtoprotohandler-status', ''),
	);

	break;

	// Mailbox view (mail screen)
	case 'mailbox':
	$blocks = array(
	'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
	'new_message' => array('name' => rcube::Q($RCMAIL->gettext('newmessage'))),
	'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
	);

	// show config parameter for preview pane
	if (!isset($no_override['preview_pane'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_preview';
	$input = new html_checkbox(array('name' => '_preview_pane', 'id' => $field_id, 'value' => 1,
	'onchange' => "$('#rcmfd_preview_pane_mark_read').prop('disabled', !this.checked)"));

	$blocks['main']['options']['preview_pane'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('previewpane'))),
	'content' => $input->show($config['preview_pane']?1:0),
	);
	}

	// show config parameter for preview pane auto mark as read delay
	if (!isset($no_override['preview_pane_mark_read'])) {
	if (!$current) {
	continue 2;
	}

	// apply default if config option is not set at all
	$config['preview_pane_mark_read'] = $RCMAIL->config->get('preview_pane_mark_read', 0);

	$field_id = 'rcmfd_preview_pane_mark_read';
	$select = new html_select(array('name' => '_preview_pane_mark_read', 'id' => $field_id,
	'disabled' => $config['preview_pane']?0:1));

	$select->add($RCMAIL->gettext('never'), '-1');
	$select->add($RCMAIL->gettext('immediately'), 0);

	foreach (array(5, 10, 20, 30) as $sec) {
	$label = $RCMAIL->gettext(array('name' => 'afternseconds', 'vars' => array('n' => $sec)));
	$select->add($label, $sec);
	}

	$blocks['main']['options']['preview_pane_mark_read'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('previewpanemarkread'))),
	'content' => $select->show(intval($config['preview_pane_mark_read'])),
	);
	}

	if (!isset($no_override['mdn_requests'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_mdn_requests';
	$select = new html_select(array('name' => '_mdn_requests', 'id' => $field_id));
	$select->add($RCMAIL->gettext('askuser'), 0);
	$select->add($RCMAIL->gettext('autosend'), 1);
	$select->add($RCMAIL->gettext('autosendknown'), 3);
	$select->add($RCMAIL->gettext('autosendknownignore'), 4);
	$select->add($RCMAIL->gettext('ignore'), 2);

	$blocks['main']['options']['mdn_requests'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('mdnrequests'))),
	'content' => $select->show($config['mdn_requests']),
	);
	}

	if (!isset($no_override['autoexpand_threads'])) {
	if (!$current) {
	continue 2;
	}

	$storage = $RCMAIL->get_storage();
	$supported = $storage->get_capability('THREAD');

	if ($supported) {
	$field_id = 'rcmfd_autoexpand_threads';
	$select = new html_select(array('name' => '_autoexpand_threads', 'id' => $field_id));
	$select->add($RCMAIL->gettext('never'), 0);
	$select->add($RCMAIL->gettext('do_expand'), 1);
	$select->add($RCMAIL->gettext('expand_only_unread'), 2);

	$blocks['main']['options']['autoexpand_threads'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('autoexpand_threads'))),
	'content' => $select->show($config['autoexpand_threads']),
	);
	}
	}

	// show page size selection
	if (!isset($no_override['mail_pagesize'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_mail_pagesize';
	$input = new html_inputfield(array('name' => '_mail_pagesize', 'id' => $field_id, 'size' => 5));
	$size = intval($config['mail_pagesize'] ? $config['mail_pagesize'] : $config['pagesize']);

	$blocks['main']['options']['pagesize'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('pagesize'))),
	'content' => $input->show($size ? $size : 50),
	);
	}

	if (!isset($no_override['check_all_folders'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_check_all_folders';
	$input = new html_checkbox(array('name' => '_check_all_folders', 'id' => $field_id, 'value' => 1));

	$blocks['new_message']['options']['check_all_folders'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('checkallfolders'))),
	'content' => $input->show($config['check_all_folders']?1:0),
	);
	}
	break;

	// Message viewing
	case 'mailview':
	$blocks = array(
	'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
	'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
	);

	// show checkbox to open message view in new window
	if (!isset($no_override['message_extwin'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_message_extwin';
	$input = new html_checkbox(array('name' => '_message_extwin', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['message_extwin'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('showinextwin'))),
	'content' => $input->show($config['message_extwin']?1:0),
	);
	}

	// show checkbox to show email instead of name
	if (!isset($no_override['message_show_email'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_message_show_email';
	$input = new html_checkbox(array('name' => '_message_show_email', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['message_show_email'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('showemail'))),
	'content' => $input->show($config['message_show_email']?1:0),
	);
	}

	// show checkbox for HTML/plaintext messages
	if (!isset($no_override['prefer_html'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_htmlmsg';
	$input = new html_checkbox(array('name' => '_prefer_html', 'id' => $field_id, 'value' => 1,
	'onchange' => "$('#rcmfd_show_images').prop('disabled', !this.checked).val(0)"));

	$blocks['main']['options']['prefer_html'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('preferhtml'))),
	'content' => $input->show($config['prefer_html']?1:0),
	);
	}

	if (!isset($no_override['default_charset'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_default_charset';

	$blocks['advanced']['options']['default_charset'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('defaultcharset'))),
	'content' => $RCMAIL->output->charset_selector(array(
	'id' => $field_id, 'name' => '_default_charset', 'selected' => $config['default_charset']
	)));
	}

	if (!isset($no_override['show_images'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_show_images';
	$input = new html_select(array('name' => '_show_images', 'id' => $field_id,
	'disabled' => !$config['prefer_html']));

	$input->add($RCMAIL->gettext('never'), 0);
	$input->add($RCMAIL->gettext('fromknownsenders'), 1);
	$input->add($RCMAIL->gettext('always'), 2);

	$blocks['main']['options']['show_images'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('showremoteimages'))),
	'content' => $input->show($config['prefer_html'] ? $config['show_images'] : 0),
	);
	}

	if (!isset($no_override['inline_images'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_inline_images';
	$input = new html_checkbox(array('name' => '_inline_images', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['inline_images'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('showinlineimages'))),
	'content' => $input->show($config['inline_images']?1:0),
	);
	}

	// "display after delete" checkbox
	if (!isset($no_override['display_next'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_displaynext';
	$input = new html_checkbox(array('name' => '_display_next', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['display_next'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('displaynext'))),
	'content' => $input->show($config['display_next']?1:0),
	);
	}
	break;

	// Mail composition
	case 'compose':
	$blocks = array(
	'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
	'sig' => array('name' => rcube::Q($RCMAIL->gettext('signatureoptions'))),
	'spellcheck' => array('name' => rcube::Q($RCMAIL->gettext('spellcheckoptions'))),
	'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
	);

	// show checkbox to compose messages in a new window
	if (!isset($no_override['compose_extwin'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfdcompose_extwin';
	$input = new html_checkbox(array('name' => '_compose_extwin', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['compose_extwin'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('composeextwin'))),
	'content' => $input->show($config['compose_extwin']?1:0),
	);
	}

	if (!isset($no_override['htmleditor'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_htmleditor';
	$select = new html_select(array('name' => '_htmleditor', 'id' => $field_id));

	$select->add($RCMAIL->gettext('never'), 0);
	$select->add($RCMAIL->gettext('always'), 1);
	$select->add($RCMAIL->gettext('htmlonreply'), 2);
	$select->add($RCMAIL->gettext('htmlonreplyandforward'), 3);

	$blocks['main']['options']['htmleditor'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('htmleditor'))),
	'content' => $select->show(intval($config['htmleditor'])),
	);
	}

	if (!isset($no_override['draft_autosave'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_autosave';
	$select = new html_select(array('name' => '_draft_autosave', 'id' => $field_id, 'disabled' => empty($config['drafts_mbox'])));

	$select->add($RCMAIL->gettext('never'), 0);
	foreach (array(1, 3, 5, 10) as $i => $min) {
	$label = $RCMAIL->gettext(array('name' => 'everynminutes', 'vars' => array('n' => $min)));
	$select->add($label, $min*60);
	}

	$blocks['main']['options']['draft_autosave'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('autosavedraft'))),
	'content' => $select->show($config['draft_autosave']),
	);
	}

	if (!isset($no_override['mime_param_folding'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_param_folding';
	$select = new html_select(array('name' => '_mime_param_folding', 'id' => $field_id));

	$select->add($RCMAIL->gettext('2231folding'), 0);
	$select->add($RCMAIL->gettext('miscfolding'), 1);
	$select->add($RCMAIL->gettext('2047folding'), 2);

	$blocks['advanced']['options']['mime_param_folding'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('mimeparamfolding'))),
	'content' => $select->show($config['mime_param_folding']),
	);
	}

	if (!isset($no_override['force_7bit'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_force_7bit';
	$input = new html_checkbox(array('name' => '_force_7bit', 'id' => $field_id, 'value' => 1));

	$blocks['advanced']['options']['force_7bit'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('force7bit'))),
	'content' => $input->show($config['force_7bit']?1:0),
	);
	}

	if (!isset($no_override['mdn_default'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_mdn_default';
	$input = new html_checkbox(array('name' => '_mdn_default', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['mdn_default'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('reqmdn'))),
	'content' => $input->show($config['mdn_default']?1:0),
	);
	}

	if (!isset($no_override['dsn_default'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_dsn_default';
	$input = new html_checkbox(array('name' => '_dsn_default', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['dsn_default'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('reqdsn'))),
	'content' => $input->show($config['dsn_default']?1:0),
	);
	}

	if (!isset($no_override['reply_same_folder'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_reply_same_folder';
	$input = new html_checkbox(array('name' => '_reply_same_folder', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['reply_same_folder'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('replysamefolder'))),
	'content' => $input->show($config['reply_same_folder']?1:0),
	);
	}

	if (!isset($no_override['reply_mode'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_reply_mode';
	$select = new html_select(array('name' => '_reply_mode', 'id' => $field_id));

	$select->add($RCMAIL->gettext('replyempty'), -1);
	$select->add($RCMAIL->gettext('replybottomposting'), 0);
	$select->add($RCMAIL->gettext('replytopposting'), 1);

	$blocks['main']['options']['reply_mode'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('whenreplying'))),
	'content' => $select->show(intval($config['reply_mode'])),
	);
	}

	if (!isset($no_override['spellcheck_before_send']) && $config['enable_spellcheck']) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_spellcheck_before_send';
	$input = new html_checkbox(array('name' => '_spellcheck_before_send', 'id' => $field_id, 'value' => 1));

	$blocks['spellcheck']['options']['spellcheck_before_send'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('spellcheckbeforesend'))),
	'content' => $input->show($config['spellcheck_before_send']?1:0),
	);
	}

	if ($config['enable_spellcheck']) {
	if (!$current) {
	continue 2;
	}

	foreach (array('syms', 'nums', 'caps') as $key) {
	$key = 'spellcheck_ignore_'.$key;
	if (!isset($no_override[$key])) {
	$input = new html_checkbox(array('name' => '_'.$key, 'id' => 'rcmfd_'.$key, 'value' => 1));

	$blocks['spellcheck']['options'][$key] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext(str_replace('_', '', $key)))),
	'content' => $input->show($config[$key]?1:0),
	);
	}
	}
	}

	if (!isset($no_override['show_sig'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_show_sig';
	$select = new html_select(array('name' => '_show_sig', 'id' => $field_id));

	$select->add($RCMAIL->gettext('never'), 0);
	$select->add($RCMAIL->gettext('always'), 1);
	$select->add($RCMAIL->gettext('newmessageonly'), 2);
	$select->add($RCMAIL->gettext('replyandforwardonly'), 3);

	$blocks['sig']['options']['show_sig'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('autoaddsignature'))),
	'content' => $select->show($RCMAIL->config->get('show_sig', 1)),
	);
	}

	if (!isset($no_override['strip_existing_sig'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_strip_existing_sig';
	$input = new html_checkbox(array('name' => '_strip_existing_sig', 'id' => $field_id, 'value' => 1));

	$blocks['sig']['options']['strip_existing_sig'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('replyremovesignature'))),
	'content' => $input->show($config['strip_existing_sig']?1:0),
	);
	}

	if (!isset($no_override['forward_attachment'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_forward_attachment';
	$select = new html_select(array('name' => '_forward_attachment', 'id' => $field_id));

	$select->add($RCMAIL->gettext('inline'), 0);
	$select->add($RCMAIL->gettext('asattachment'), 1);

	$blocks['main']['options']['forward_attachment'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('forwardmode'))),
	'content' => $select->show(intval($config['forward_attachment'])),
	);
	}

	if (!isset($no_override['default_font']) \|\| !isset($no_override['default_font_size'])) {
	if (!$current) {
	continue 2;
	}

	// Default font size
	$field_id = 'rcmfd_default_font_size';
	$select_default_font_size = new html_select(array('name' => '_default_font_size', 'id' => $field_id));

	$fontsizes = array('', '8pt', '10pt', '12pt', '14pt', '18pt', '24pt', '36pt');
	foreach ($fontsizes as $size) {
	$select_default_font_size->add($size, $size);
	}

	// Default font
	$field_id = 'rcmfd_default_font';
	$select_default_font = new html_select(array('name' => '_default_font', 'id' => $field_id));
	$select_default_font->add('', '');

	$fonts = rcmail::font_defs();
	foreach ($fonts as $fname => $font) {
	$select_default_font->add($fname, $fname);
	}

	$blocks['main']['options']['default_font'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('defaultfont'))),
	'content' => $select_default_font->show($RCMAIL->config->get('default_font', 1)) .
	$select_default_font_size->show($RCMAIL->config->get('default_font_size', 1))
	);
	}

	if (!isset($no_override['reply_all_mode'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_reply_all_mode';
	$select = new html_select(array('name' => '_reply_all_mode', 'id' => $field_id));

	$select->add($RCMAIL->gettext('replyalldefault'), 0);
	$select->add($RCMAIL->gettext('replyalllist'), 1);

	$blocks['main']['options']['reply_all_mode'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('replyallmode'))),
	'content' => $select->show(intval($config['reply_all_mode'])),
	);
	}

	break;

	// Addressbook config
	case 'addressbook':
	$blocks = array(
	'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
	'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
	);

	if (!isset($no_override['default_addressbook'])
	&& (!$current \|\| ($books = $RCMAIL->get_address_sources(true, true)))
	) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_default_addressbook';
	$select = new html_select(array('name' => '_default_addressbook', 'id' => $field_id));

	foreach ($books as $book) {
	$select->add(html_entity_decode($book['name'], ENT_COMPAT, 'UTF-8'), $book['id']);
	}

	$blocks['main']['options']['default_addressbook'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('defaultabook'))),
	'content' => $select->show($config['default_addressbook']),
	);
	}

	// show addressbook listing mode selection
	if (!isset($no_override['addressbook_name_listing'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_addressbook_name_listing';
	$select = new html_select(array('name' => '_addressbook_name_listing', 'id' => $field_id));

	$select->add($RCMAIL->gettext('name'), 0);
	$select->add($RCMAIL->gettext('firstname') . ' ' . $RCMAIL->gettext('surname'), 1);
	$select->add($RCMAIL->gettext('surname') . ' ' . $RCMAIL->gettext('firstname'), 2);
	$select->add($RCMAIL->gettext('surname') . ', ' . $RCMAIL->gettext('firstname'), 3);

	$blocks['main']['options']['list_name_listing'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('listnamedisplay'))),
	'content' => $select->show($config['addressbook_name_listing']),
	);
	}

	// show addressbook sort column
	if (!isset($no_override['addressbook_sort_col'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_addressbook_sort_col';
	$select = new html_select(array('name' => '_addressbook_sort_col', 'id' => $field_id));

	$select->add($RCMAIL->gettext('name'), 'name');
	$select->add($RCMAIL->gettext('firstname'), 'firstname');
	$select->add($RCMAIL->gettext('surname'), 'surname');

	$blocks['main']['options']['sort_col'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('listsorting'))),
	'content' => $select->show($config['addressbook_sort_col']),
	);
	}

	// show addressbook page size selection
	if (!isset($no_override['addressbook_pagesize'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_addressbook_pagesize';
	$input = new html_inputfield(array('name' => '_addressbook_pagesize', 'id' => $field_id, 'size' => 5));
	$size = intval($config['addressbook_pagesize'] ? $config['addressbook_pagesize'] : $config['pagesize']);

	$blocks['main']['options']['pagesize'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('pagesize'))),
	'content' => $input->show($size ? $size : 50),
	);
	}

	if (!isset($no_override['autocomplete_single'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_autocomplete_single';
	$checkbox = new html_checkbox(array('name' => '_autocomplete_single', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['autocomplete_single'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('autocompletesingle'))),
	'content' => $checkbox->show($config['autocomplete_single']?1:0),
	);
	}
	break;

	// Special IMAP folders
	case 'folders':
	$blocks = array(
	'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
	'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
	);

	if (!isset($no_override['show_real_foldernames'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'show_real_foldernames';
	$input = new html_checkbox(array('name' => '_show_real_foldernames', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['show_real_foldernames'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('show_real_foldernames'))),
	'content' => $input->show($config['show_real_foldernames']?1:0),
	);
	}

	// Configure special folders
	$set = array('drafts_mbox', 'sent_mbox', 'junk_mbox', 'trash_mbox');
	if ($current && count(array_intersect($no_override, $set)) < 4) {
	$select = $RCMAIL->folder_selector(array(
	'noselection' => '---',
	'realnames' => true,
	'maxlength' => 30,
	'folder_filter' => 'mail',
	'folder_rights' => 'w',
	));

	// #1486114, #1488279, #1489219
	$onchange = "if ($(this).val() == 'INBOX') $(this).val('')";
	}

	if (!isset($no_override['drafts_mbox'])) {
	if (!$current) {
	continue 2;
	}

	$blocks['main']['options']['drafts_mbox'] = array(
	'title' => rcube::Q($RCMAIL->gettext('drafts')),
	'content' => $select->show($config['drafts_mbox'], array('name' => "_drafts_mbox", 'onchange' => $onchange)),
	);
	}

	if (!isset($no_override['sent_mbox'])) {
	if (!$current) {
	continue 2;
	}

	$blocks['main']['options']['sent_mbox'] = array(
	'title' => rcube::Q($RCMAIL->gettext('sent')),
	'content' => $select->show($config['sent_mbox'], array('name' => "_sent_mbox", 'onchange' => '')),
	);
	}

	if (!isset($no_override['junk_mbox'])) {
	if (!$current) {
	continue 2;
	}

	$blocks['main']['options']['junk_mbox'] = array(
	'title' => rcube::Q($RCMAIL->gettext('junk')),
	'content' => $select->show($config['junk_mbox'], array('name' => "_junk_mbox", 'onchange' => $onchange)),
	);
	}

	if (!isset($no_override['trash_mbox'])) {
	if (!$current) {
	continue 2;
	}

	$blocks['main']['options']['trash_mbox'] = array(
	'title' => rcube::Q($RCMAIL->gettext('trash')),
	'content' => $select->show($config['trash_mbox'], array('name' => "_trash_mbox", 'onchange' => $onchange)),
	);
	}
	break;

	// Server settings
	case 'server':
	$blocks = array(
	'main' => array('name' => rcube::Q($RCMAIL->gettext('mainoptions'))),
	'maintenance' => array('name' => rcube::Q($RCMAIL->gettext('maintenance'))),
	'advanced' => array('name' => rcube::Q($RCMAIL->gettext('advancedoptions'))),
	);

	if (!isset($no_override['read_when_deleted'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_read_deleted';
	$input = new html_checkbox(array('name' => '_read_when_deleted', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['read_when_deleted'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('readwhendeleted'))),
	'content' => $input->show($config['read_when_deleted']?1:0),
	);
	}

	if (!isset($no_override['flag_for_deletion'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_flag_for_deletion';
	$input = new html_checkbox(array('name' => '_flag_for_deletion', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['flag_for_deletion'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('flagfordeletion'))),
	'content' => $input->show($config['flag_for_deletion']?1:0),
	);
	}

	// don't show deleted messages
	if (!isset($no_override['skip_deleted'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_skip_deleted';
	$input = new html_checkbox(array('name' => '_skip_deleted', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['skip_deleted'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('skipdeleted'))),
	'content' => $input->show($config['skip_deleted']?1:0),
	);
	}

	if (!isset($no_override['delete_always'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_delete_always';
	$input = new html_checkbox(array('name' => '_delete_always', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['delete_always'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('deletealways'))),
	'content' => $input->show($config['delete_always']?1:0),
	);
	}

	if (!isset($no_override['delete_junk'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_delete_junk';
	$input = new html_checkbox(array('name' => '_delete_junk', 'id' => $field_id, 'value' => 1));

	$blocks['main']['options']['delete_junk'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('deletejunk'))),
	'content' => $input->show($config['delete_junk']?1:0),
	);
	}

	// Trash purging on logout
	if (!isset($no_override['logout_purge'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_logout_purge';
	$input = new html_checkbox(array('name' => '_logout_purge', 'id' => $field_id, 'value' => 1));

	$blocks['maintenance']['options']['logout_purge'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('logoutclear'))),
	'content' => $input->show($config['logout_purge']?1:0),
	);
	}

	// INBOX compacting on logout
	if (!isset($no_override['logout_expunge'])) {
	if (!$current) {
	continue 2;
	}

	$field_id = 'rcmfd_logout_expunge';
	$input = new html_checkbox(array('name' => '_logout_expunge', 'id' => $field_id, 'value' => 1));

	$blocks['maintenance']['options']['logout_expunge'] = array(
	'title' => html::label($field_id, rcube::Q($RCMAIL->gettext('logoutcompact'))),
	'content' => $input->show($config['logout_expunge']?1:0),
	);
	}
	}

	$found = false;
	$data = $RCMAIL->plugins->exec_hook('preferences_list',
	array('section' => $sect['id'], 'blocks' => $blocks, 'current' => $current));

	$advanced_prefs = (array) $RCMAIL->config->get('advanced_prefs');

	// create output
	foreach ($data['blocks'] as $key => $block) {
	if (!empty($block['content']) \|\| !empty($block['options'])) {
	$found = true;
	}
	// move some options to the 'advanced' block as configured by admin
	if ($key != 'advanced') {
	foreach ($advanced_prefs as $opt) {
	if ($block['options'][$opt]) {
	$data['blocks']['advanced']['options'][$opt] = $block['options'][$opt];
	unset($data['blocks'][$key]['options'][$opt]);
	}
	}
	}
	}

	// move 'advanced' block to the end of the list
	if (!empty($data['blocks']['advanced'])) {
	$adv = $data['blocks']['advanced'];
	unset($data['blocks']['advanced']);
	$data['blocks']['advanced'] = $adv;
	}

	if (!$found)
	unset($sections[$idx]);
	else
	$sections[$idx]['blocks'] = $data['blocks'];
	}

	+ $data = $RCMAIL->plugins->exec_hook('preferences_section_header',
	+ array('section' => $sect['id'], 'header' => '', 'current' => $current));
	+
	+ if(!empty($data['header'])) {
	+ $sections[$idx]['header'] = $data['header'];
	+ }
	+
	return array($sections, $plugin['cols']);
	}


	function rcmail_get_skins()
	{
	$path = RCUBE_INSTALL_PATH . 'skins';
	$skins = array();
	$dir = opendir($path);

	if (!$dir) {
	return false;
	}

	while (($file = readdir($dir)) !== false) {
	$filename = $path.'/'.$file;
	if (!preg_match('/^\./', $file) && is_dir($filename) && is_readable($filename)) {
	$skins[] = $file;
	}
	}

	closedir($dir);

	return $skins;
	}


	function rcmail_folder_options($mailbox)
	{
	global $RCMAIL;

	$options = $RCMAIL->get_storage()->folder_info($mailbox);
	$options['protected'] = $options['is_root'] \|\| ($options['special'] && $RCMAIL->config->get('protect_default_folders'));

	return $options;
	}

	/**
	* Updates (or creates) folder row in the subscriptions table
	*
	* @param string $name Folder name
	* @param string $oldname Old folder name (for update)
	* @param bool $subscribe Checks subscription checkbox
	* @param string $class CSS class name for folder row
	*/
	function rcmail_update_folder_row($name, $oldname=null, $subscribe=false, $class_name=null)
	{
	global $RCMAIL, $OUTPUT;

	$protect_folders = $RCMAIL->config->get('protect_default_folders');
	$storage = $RCMAIL->get_storage();
	$delimiter = $storage->get_hierarchy_delimiter();
	$name_utf8 = rcube_charset::convert($name, 'UTF7-IMAP');
	$protected = $protect_folders && $storage->is_special_folder($name);

	$foldersplit = explode($delimiter, $storage->mod_folder($name));
	$level = count($foldersplit) - 1;
	$display_name = str_repeat('    ', $level)
	. rcube::Q($protected ? $RCMAIL->localize_foldername($name) : rcube_charset::convert($foldersplit[$level], 'UTF7-IMAP'));

	if ($oldname === null) {
	$OUTPUT->command('add_folder_row', $name_utf8, $display_name, $protected, $subscribe,
	false, $class_name);
	}
	else {
	$OUTPUT->command('replace_folder_row', rcube_charset::convert($oldname, 'UTF7-IMAP'),
	$name_utf8, $display_name, $protected, $class_name);
	}
	}

	/**
	* Render the list of settings sections (AKA tabs)
	*/
	function rcmail_settings_tabs($attrib)
	{
	global $RCMAIL, $OUTPUT;

	// add default attributes
	$attrib += array('tagname' => 'span', 'idprefix' => 'settingstab', 'selclass' => 'selected');

	$default_actions = array(
	array('command' => 'preferences', 'type' => 'link', 'label' => 'preferences', 'title' => 'editpreferences'),
	array('command' => 'folders', 'type' => 'link', 'label' => 'folders', 'title' => 'managefolders'),
	array('command' => 'identities', 'type' => 'link', 'label' => 'identities', 'title' => 'manageidentities'),
	array('command' => 'responses', 'type' => 'link', 'label' => 'responses', 'title' => 'editresponses'),
	);

	// get all identites from DB and define list of cols to be displayed
	$plugin = $RCMAIL->plugins->exec_hook('settings_actions', array(
	'actions' => $default_actions,
	'attrib' => $attrib,
	));

	$attrib = $plugin['attrib'];
	$tagname = $attrib['tagname'];
	$tabs = array();

	foreach ($plugin['actions'] as $k => $action) {
	if (!$action['command'] && !$action['href'] && $action['action']) {
	$action['href'] = $RCMAIL->url(array('_action' => $action['action']));
	}

	$button = $OUTPUT->button($action);
	$attr = $attrib;

	$cmd = $action['action'] ? $action['action'] : $action['command'];
	$id = $action['id'] ? $action['id'] : $cmd;

	if (!empty($id)) {
	$attr['id'] = preg_replace('/[^a-z0-9]/i', '', $attrib['idprefix'] . $id);
	}

	$classnames = array($attrib['class']);
	if (!empty($action['class'])) {
	$classnames[] = $action['class'];
	}
	else if (!empty($cmd)) {
	$classnames[] = $cmd;
	}
	if ($RCMAIL->action == $cmd) {
	$classnames[] = $attrib['selclass'];
	}

	$attr['class'] = join(' ', $classnames);
	$tabs[] = html::tag($tagname, $attr, $button, html::$common_attrib);
	}

	return join('', $tabs);
	}

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