diff --git a/preferences/inc/class.preferences_hooks.inc.php b/preferences/inc/class.preferences_hooks.inc.php
new file mode 100644
index 0000000000..08e4186e45
--- /dev/null
+++ b/preferences/inc/class.preferences_hooks.inc.php
@@ -0,0 +1,425 @@
+<?php
+/**
+ * EGroupware - Preferences hooks
+ *
+ * @link http://www.egroupware.org
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package preferences
+ * @version $Id$
+ */
+
+/**
+ * Static hooks for preferences class
+ */
+class preferences_hooks
+{
+	/**
+	 * Hook return common preferences settings
+	 *
+	 * @param string|array $hook_data
+	 * @return array
+	 */
+	static public function settings($hook_data)
+	{
+		// Setup some values to fill the array of this app's settings below
+		$templates = common::list_templates();
+		foreach($templates as $var => $value)
+		{
+			$_templates[$var] = $templates[$var]['title'];
+		}
+
+		$themes = common::list_themes();
+		foreach($themes as $value)
+		{
+			$_themes[$value] = $value;
+		}
+
+		$navbar_format = array(
+			'icons'          => lang('Icons only'),
+			'icons_and_text' => lang('Icons and text'),
+			'text'           => lang('Text only')
+		);
+
+		$link_list_format = array(
+			'icons'          => lang('Icons only'),
+			'icons_and_text' => lang('Icons and text'),
+			'text'           => lang('Text only')
+		);
+
+		if (!$hook_data['setup'])
+		{
+			$langs = translation::get_installed_langs();
+
+			$tzs = egw_time::getTimezones();
+		}
+
+		$date_formats = array(
+			'd.m.Y' => 'd.m.Y',
+			'Y-m-d' => 'Y-m-d',
+			'm/d/Y' => 'm/d/Y',
+			'm-d-Y' => 'm-d-Y',
+			'm.d.Y' => 'm.d.Y',
+			'Y/d/m' => 'Y/d/m',
+			'Y-d-m' => 'Y-d-m',
+			'Y.d.m' => 'Y.d.m',
+			'Y/m/d' => 'Y/m/d',
+			'Y.m.d' => 'Y.m.d',
+			'd/m/Y' => 'd/m/Y',
+			'd-m-Y' => 'd-m-Y',
+			'd-M-Y' => 'd-M-Y'
+		);
+
+		$time_formats = array(
+			'12' => lang('12 hour'),
+			'24' => lang('24 hour')
+		);
+
+		$html_enter_mode = array(
+			'p'		=> lang('p: Paragraph'),
+			'div'	=> lang('div'),
+			'br'	=> lang('br')
+		);
+
+		$rich_text_editor_skins = array(
+			'default'    => lang ('Default theme'),
+			'office2003' => lang ('Office 2003 theme'),
+			'silver'     => lang ('Silver theme')
+		);
+
+		$user_apps = array();
+		foreach((array)$GLOBALS['egw_info']['user']['apps'] as $app => $data)
+		{
+			if($GLOBALS['egw_info']['apps'][$app]['status'] != 2 && $app)
+			{
+				$user_apps[$app] = $GLOBALS['egw_info']['apps'][$app]['title'] ? $GLOBALS['egw_info']['apps'][$app]['title'] : lang($app);
+			}
+		}
+
+		$account_sels = array(
+			'selectbox'     => lang('Selectbox'),
+			'primary_group' => lang('Selectbox with primary group and search'),
+			'popup'         => lang('Popup with search'),
+			'groupmembers'  => lang('Selectbox with groupmembers'),
+			'none'          => lang('No user-selection at all'),
+		);
+
+		$account_display = array(
+			'firstname' => lang('Firstname'). ' '.lang('Lastname'),
+			'lastname'  => lang('Lastname').', '.lang('Firstname'),
+			'username'  => lang('username'),
+			'firstall'  => lang('Firstname').' '.lang('Lastname').' ['.lang('username').']',
+			'lastall'   => lang('Lastname').', '.lang('Firstname').' ['.lang('username').']',
+			'allfirst'  => '['.lang('username').'] '.lang('Firstname').' '.lang('Lastname'),
+			'all'       => '['.lang('username').'] '.lang('Lastname').','.lang('Firstname'),
+		);
+
+		if ($hook_data['setup'])	// called via setup
+		{
+			$lang = setup::get_lang();
+			if (empty($lang)) $lang = 'en';
+			list(,$country) = explode('-',$lang);
+			if (empty($country)) $country = $lang;
+		}
+		// Settings array for this app
+		$settings = array(
+			'maxmatchs' => array(
+				'type'  => 'input',
+				'label' => 'Max matches per page',
+				'name'  => 'maxmatchs',
+				'help'  => 'Any listing in eGW will show you this number of entries or lines per page.<br>To many slow down the page display, to less will cost you the overview.',
+				'size'  => 3,
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default' => 20,
+			),
+			'template_set' => array(
+				'type'   => 'select',
+				'label'  => 'Interface/Template Selection',
+				'name'   => 'template_set',
+				'values' => $_templates,
+				'help'   => 'A template defines the layout of eGroupWare and it contains icons for each application.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'forced' => 'idots',
+			),
+			'theme' => array(
+				'type'   => 'select',
+				'label'  => 'Theme (colors/fonts) Selection',
+				'name'   => 'theme',
+				'values' => $_themes,
+				'help'   => 'A theme defines the colors and fonts used by the template.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'forced' => 'idots',
+			),
+			'navbar_format' => array(
+				'type'   => 'select',
+				'label'  => 'Show navigation bar as',
+				'name'   => 'navbar_format',
+				'values' => $navbar_format,
+				'help'   => 'You can show the applications as icons only, icons with app-name or both.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> 'icons_and_text',
+			),
+			'link_list_format' => array(
+				'type'		=>	'select',
+				'label'		=>	'Show links between eGroupWare aps as',
+				'name'		=>	'link_list_format',
+				'values'	=>	$link_list_format,
+				'help'		=>	'You can show the linked entries with icons only, icons with app-name or both.',
+				'xmlrpc'	=>	True,
+				'admin'		=>	False,
+				'forced'    =>  'icons',
+			),
+			'link_list_thumbnail' => array(
+				'type'		=>	'select',
+				'label'		=>	'Display thumbnails for linked images',
+				'name'		=>	'link_list_thumbnail',
+				'values'    =>  array(
+					'1'		=>  lang('Yes'),
+					'0'     =>	lang('No'),
+				),
+				'help'		=>	'Images linked to an entry can be displayed as thumbnails.  You can turn this off to speed up page display.',
+				'xmlrpc'	=>	True,
+				'admin'		=>	False,
+				'forced'    =>  '1',
+			),
+			'tz' => array(
+				'type'   => 'select',
+				'label'  => 'Time zone',
+				'name'   => 'tz',
+				'values' => $tzs,
+				'help'   => 'Please select your timezone.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> date_default_timezone_get(),
+			),
+			'tz_selection' => array(
+				'type'   => 'multiselect',
+				'label'  => 'Permanent time zone selection',
+				'name'   => 'tz_selection',
+				'values' => $tzs ? call_user_func_array('array_merge',$tzs) : null,	// only flat arrays supported
+				'help'   => 'Please select timezones, you want to be able to quickly switch between. Switch is NOT shown, if less then two are selected.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'forced' => date_default_timezone_get(),
+			),
+			'dateformat' => array(
+				'type'   => 'select',
+				'label'  => 'Date format',
+				'name'   => 'dateformat',
+				'values' => $date_formats,
+				'help'   => 'How should eGroupWare display dates for you.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> $lang == 'en' ? 'Y/m/d' : 'd.m.Y',
+			),
+			'timeformat' => array(
+				'type'   => 'select',
+				'label'  => 'Time format',
+				'name'   => 'timeformat',
+				'values' => $time_formats,
+				'help'   => 'Do you prefer a 24 hour time format, or a 12 hour one with am/pm attached.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> 24,
+			),
+			'country' => array(
+				'type'   => 'select',
+				'label'  => 'Country',
+				'name'   => 'country',
+				'values' => ExecMethod('phpgwapi.country.countries'),
+				'help'   => 'In which country are you. This is used to set certain defaults for you.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> strtoupper($country),
+			),
+			'lang' => array(
+				'type'   => 'select',
+				'label'  => 'Language',
+				'name'   => 'lang',
+				'values' => $langs,
+				'help'   => 'Select the language of texts and messages within eGroupWare.<br>Some languages may not contain all messages, in that case you will see an english message.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> $lang,
+			),
+			'spellchecker_lang' => array(
+				'type'   => 'select',
+				'label'  => 'Spellchecker language',
+				'name'   => 'spellchecker_lang',
+				'values' => $langs,
+				'help'   => 'Select the language of the spellchecker integrated into the rich text editor.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> $lang,
+			),
+			'rte_enter_mode' => array(
+				'type'   => 'select',
+				'label'  => 'Rich text editor enter mode',
+				'name'   => 'rte_enter_mode',
+				'values' => $html_enter_mode,
+				'help'   => 'Select how the rich text editor will generate the enter (linebreak) tag.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'forced' => 'br',
+			),
+			'rte_skin' => array(
+				'type'   => 'select',
+				'label'  => 'Rich text editor theme',
+				'name'   => 'rte_skin',
+				'values' => $rich_text_editor_skins,
+				'help'   => 'Select the theme (visualization) of the rich text editor.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'forced' => 'office2003',
+			),
+			'show_currentusers' => array(
+				'type'  => 'check',
+				'label' => 'Show number of current users',
+				'name'  => 'show_currentusers',
+				'help'  => 'Should the number of active sessions be displayed for you all the time.',
+				'xmlrpc' => False,
+				'admin'  => True,
+				'forced' => true,
+			),
+			'default_app' => array(
+				'type'   => 'select',
+				'label'  => 'Default application',
+				'name'   => 'default_app',
+				'values' => $user_apps,
+				'help'   => "The default application will be started when you enter eGroupWare or click on the homepage icon.<br>You can also have more than one application showing up on the homepage, if you don't choose a specific application here (has to be configured in the preferences of each application).",
+				'xmlrpc' => False,
+				'admin'  => False,
+				'default'=> '',
+			),
+			'currency' => array(
+				'type'  => 'input',
+				'label' => 'Currency',
+				'name'  => 'currency',
+				'help'  => 'Which currency symbol or name should be used in eGroupWare.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> $lang == 'en' ? '$' : 'EUR',
+			),
+			'account_selection' => array(
+				'type'   => 'select',
+				'label'  => 'How do you like to select accounts',
+				'name'   => 'account_selection',
+				'values' => $account_sels,
+				'help'   => lang('The selectbox shows all available users (can be very slow on big installs with many users). The popup can search users by name or group.').' '.
+					lang('The two last options limit the visibility of other users. Therefore they should be forced and apply NOT to administrators.'),
+				'run_lang' => false,
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> 'primary_group'
+			),
+			'account_display' => array(
+				'type'   => 'select',
+				'label'  => 'How do you like to display accounts',
+				'name'   => 'account_display',
+				'values' => $account_display,
+				'help'   => 'Set this to your convenience. For security reasons, you might not want to show your Loginname in public.',
+				'xmlrpc' => True,
+				'admin'  => False,
+				'default'=> 'lastname',
+			),
+			'show_help' => array(
+				'type'   => 'check',
+				'label'  => 'Show helpmessages by default',
+				'name'   => 'show_help',
+				'help'   => 'Should this help messages shown up always, when you enter the preferences or only on request.',
+				'xmlrpc' => False,
+				'admin'  => False,
+				'default'=> True,
+			),
+			'enable_dragdrop' => array(
+				'type'   => 'check',
+				'label'  => 'Enable drag and drop functionality (experimental)',
+				'name'   => 'enable_dragdrop',
+				'help'   => 'Enables or disables drag and drop functions in all applications. If the browser does not support '.
+					    'drag and drop, it will be disabled automatically. This feature is experimental at the moment.',
+				'xmlrpc' => False,
+				'admin'  => False,
+				'forced' => true,
+			),
+            'enable_ie_dropdownmenuhack' => array(
+                'type'   => 'check',
+                'label'  => 'Enable selectbox dropdown resizing for IE (experimental)',
+                'name'   => 'enable_ie_dropdownmenuhack',
+                'help'   => 'Enables or disables selectbox dropdown resizing for IE in all applications. If the browser is not an IE '.
+                        ', the option will not apply. This feature is experimental at the moment.',
+                'xmlrpc' => False,
+                'admin'  => False,
+                'forced' => false,
+            ),
+			'csv_charset' => array(
+				'type'   => 'select',
+				'label'  => 'Charset for the CSV export',
+				'name'   => 'csv_charset',
+				'values' => translation::get_installed_charsets(),
+				'help'   => 'Which charset should be used for the CSV export. The system default is the charset of this eGroupWare installation.',
+				'xmlrpc' => True,
+				'admin'  => false,
+				'default'=> 'iso-8859-1',
+			),
+			'number_format' => array(
+				'type'   => 'select',
+				'label'  => 'Number format',
+				'name'   => 'number_format',
+				'values' => array(
+					'.'  => '1234.56',
+					','  => '1234,56',
+					'.,' => '1,234.56',
+					',.' => '1.234,56',
+					'. ' => '1 234.56',
+					', ' => '1 234,56',
+				),
+				'help'   => 'Thousands separator is only used for displaying and not for editing numbers.',
+				'xmlrpc' => True,
+				'admin'  => false,
+				'default'=> '.',
+			),
+		);
+		// disable thumbnails, if no size configured by admin
+		if (!$GLOBALS['egw_info']['server']['link_list_thumbnail']) unset($settings['link_list_thumbnail']);
+
+		return $settings;
+	}
+
+	/**
+	 * Hook to return preferences menu items
+	 *
+	 * @param string|array $hook_data
+	 */
+	public static function preferences($hook_data)
+	{
+		if (!$GLOBALS['egw']->acl->check('nopasswordchange',1))
+		{
+			$file['Change your Password'] = $GLOBALS['egw']->link('/index.php','menuaction=preferences.uipassword.change');
+		}
+		$file['common preferences'] = $GLOBALS['egw']->link('/index.php','menuaction=preferences.uisettings.index&appname=preferences');
+
+		display_section('preferences',$file);
+	}
+
+	/**
+	 * Hook called when a user gets deleted, to delete his preferences
+	 *
+	 * @param string|array $data
+	 */
+	public static function deleteaccount($data)
+	{
+		$account_id = (int)$data['account_id'];
+
+		if($account_id > 0)	// user
+		{
+			$GLOBALS['egw']->preferences->delete_user($account_id);
+		}
+		elseif ($account_id < 0)	// group
+		{
+			$GLOBALS['egw']->preferences->delete_group($account_id);
+		}
+	}
+}