diff --git a/preferences/inc/class.uiaclprefs.inc.php b/preferences/inc/class.uiaclprefs.inc.php
new file mode 100644
index 0000000000..d09621f769
--- /dev/null
+++ b/preferences/inc/class.uiaclprefs.inc.php
@@ -0,0 +1,283 @@
+<?php
+	/**************************************************************************\
+	* phpGroupWare - Preferences                                               *
+	* http://www.phpgroupware.org                                              *
+	* --------------------------------------------                             *
+	*  This program is free software; you can redistribute it and/or modify it *
+	*  under the terms of the GNU General Public License as published by the   *
+	*  Free Software Foundation; either version 2 of the License, or (at your  *
+	*  option) any later version.                                              *
+	\**************************************************************************/
+
+	/* $Id$ */
+
+	class uiaclprefs
+	{
+		var $acl;
+		var $template;
+
+		var $public_functions = array('index' => True);
+
+		function uiaclprefs()
+		{
+			$GLOBALS['phpgw']->nextmatchs = CreateObject('phpgwapi.nextmatchs');
+			
+			if (!is_object($GLOBALS['phpgw']->html))
+			{
+				$GLOBALS['phpgw']->html = CreateObject('phpgwapi.html');
+			}
+		}
+
+		function index()
+		{
+			$acl_app	= get_var('acl_app',array('POST','GET'));
+			$start		= get_var('start',array('POST','GET'));
+			$query		= get_var('query',array('POST','GET'));
+			$owner		= get_var('owner',array('POST','GET'));
+
+			if (!$acl_app)
+			{
+				$acl_app            = 'preferences';
+				$acl_app_not_passed = True;
+			}
+			else
+			{
+				$GLOBALS['phpgw']->translation->add_app($acl_app);
+			}
+
+			$GLOBALS['phpgw_info']['flags']['currentapp'] = $acl_app;
+
+			if ($acl_app_not_passed)
+			{
+				if(is_object($GLOBALS['phpgw']->log))
+				{
+					$GLOBALS['phpgw']->log->message(array(
+						'text' => 'F-BadmenuactionVariable, failed to pass acl_app.',
+						'line' => __LINE__,
+						'file' => __FILE__
+					));
+					$GLOBALS['phpgw']->log->commit();
+				}
+			}
+
+			if (($GLOBALS['phpgw_info']['server']['deny_user_grants_access'] || $owner != $GLOBALS['phpgw_info']['user']['account_id'])
+				&& !isset($GLOBALS['phpgw_info']['user']['apps']['admin']))
+			{
+				echo '<center><b>' . lang('Access not permitted') . '</b></center>';
+				$GLOBALS['phpgw']->common->phpgw_footer();
+			}
+
+			if((!isset($owner) || empty($owner)) || !$GLOBALS['phpgw_info']['user']['apps']['admin'])
+			{
+				$owner = $GLOBALS['phpgw_info']['user']['account_id'];
+			}
+			$owner_name		= $GLOBALS['phpgw']->accounts->id2name($owner);		// get owner name for title
+			if($no_privat_grants	= $GLOBALS['phpgw']->accounts->get_type($owner) == 'g')
+			{
+				$owner_name = lang('Group').' ('.$owner_name.')';
+			}
+			else	// admin setting acl-rights is handled as group-rights => no private grants !!
+			{
+				$no_privat_grants = $owner != $GLOBALS['phpgw_info']['user']['account_id'];
+			}
+			$this->acl = CreateObject('phpgwapi.acl',(int)$owner);
+			$this->acl->read_repository();
+
+			if ($_POST['submit'])
+			{
+				$processed = $_POST['processed'];
+				$to_remove = unserialize(urldecode($processed));
+
+				for($i=0;$i<count($to_remove);$i++)
+				{
+					$this->acl->delete($acl_app,$to_remove[$i]);
+				}
+
+				/* Group records */
+				$totalacl = array();
+				$group_variable = $_POST['g_'.$GLOBALS['phpgw_info']['flags']['currentapp']];
+
+				if (is_array($group_variable))
+				{
+					foreach($group_variable as $rowinfo => $perm)
+					{
+						list($group_id,$rights) = explode('_',$rowinfo);
+						$totalacl[$group_id] += $rights;
+					}
+					foreach($totalacl as $group_id => $rights)
+					{
+						if($no_privat_grants)
+						{
+							/* Don't allow group-grants or admin to grant private */
+							$rights &= ~PHPGW_ACL_PRIVATE;
+						}
+						$this->acl->add($GLOBALS['phpgw_info']['flags']['currentapp'],$group_id,$rights);
+					}
+				}
+
+				/* User records */
+				$totalacl = array();
+				$user_variable = $_POST['u_'.$GLOBALS['phpgw_info']['flags']['currentapp']];
+
+				if (is_array($user_variable))
+				{
+					foreach($user_variable as $rowinfo => $perm)
+					{
+						list($user_id,$rights) = split('_',$rowinfo);
+						$totalacl[$user_id] += $rights;
+					}
+					foreach($totalacl as $user_id => $rights)
+					{
+						if($no_privat_grants)
+						{
+							/* Don't allow group-grants or admin to grant private */
+							$rights &= ~ PHPGW_ACL_PRIVATE;
+						}
+						$this->acl->add($GLOBALS['phpgw_info']['flags']['currentapp'],$user_id,$rights);
+					}
+					$this->acl->save_repository();
+				}
+			}
+			$GLOBALS['phpgw_info']['flags']['app_header'] = lang('%1 - Preferences',$GLOBALS['phpgw_info']['apps'][$acl_app]['title']).' - '.lang('acl').': '.$owner_name;
+			$GLOBALS['phpgw']->common->phpgw_header();
+			echo parse_navbar();
+
+			$this->template = CreateObject('phpgwapi.Template',$GLOBALS['phpgw']->common->get_tpl_dir($acl_app));
+			$templates = Array (
+				'preferences' => 'preference_acl.tpl',
+				'row_colspan' => 'preference_colspan.tpl',
+				'acl_row'     => 'preference_acl_row.tpl'
+			);
+
+			$this->template->set_file($templates);
+
+			if ($submit)
+			{
+				$this->template->set_var('errors',lang('ACL grants have been updated'));
+			}
+
+			$common_hidden_vars = array(
+				'start'		=> $start,
+				'query'		=> $query,
+				'owner'		=> $owner,
+				'acl_app'	=> $acl_app,
+			);
+			$var = Array(
+				'errors'      => '',
+				'title'       => '<br>',
+				'action_url'  => $GLOBALS['phpgw']->link('/index.php','menuaction=preferences.uiaclprefs.index&acl_app=' . $acl_app),
+				'bg_color'    => $GLOBALS['phpgw_info']['theme']['th_bg'],
+				'submit_lang' => lang('Save'),
+				'common_hidden_vars_form' => $GLOBALS['phpgw']->html->input_hidden($common_hidden_vars)
+			);
+			$this->template->set_var($var);
+
+			$vars = $this->template->get_undefined('row_colspan');
+			foreach($vars as $var)
+			{
+				if(strstr($var,'lang_'))
+				{
+					$value = str_replace('lang_','',$var);
+					$value = str_replace('_',' ',$value);
+
+					$this->template->set_var($var,lang($value));
+				}
+			}
+
+			$accounts = $GLOBALS['phpgw']->accounts->search(array(
+				'type'	=> 'both',
+				'start'	=> $start,
+				'query'	=> $query,
+				'order' => 'account_type,account_lid',
+				'sort'	=> 'ASC',
+			));
+			$totalentries = $GLOBALS['phpgw']->accounts->total;
+			
+			$header_type = '';
+			$processed = Array();
+			foreach($accounts as $uid => $data)
+			{
+				if ($uid == $owner) continue;	// no need to grant to self
+
+				if ($data['account_type'] != $header_type)
+				{
+					$this->template->set_var('string',$data['account_type'] == 'g' ? lang('Groups') : lang('Users'));
+					$this->template->parse('row','row_colspan',True);
+					$header_type = $data['account_type'];
+				}
+				$tr_color = $GLOBALS['phpgw']->nextmatchs->alternate_row_color($tr_color);
+
+				if ($data['account_type'] == 'g')
+				{
+					$this->display_row($tr_color,'g_',$data['account_id'],$data['account_lid'],$no_privat_grants);
+				}
+				else
+				{
+					$this->display_row($tr_color,'u_',$data['account_id'],$GLOBALS['phpgw']->common->display_fullname($data['account_lid'],$data['account_firstname'],$data['account_lastname']),$no_privat_grants);
+				}
+				$processed[] = $uid;
+			}
+
+			$extra_parms = array(
+				'menuaction'	=> 'preferences.uiaclprefs.index',
+				'acl_app'		=> $acl_app,
+				'owner'			=> $owner,
+			);
+
+			$var = Array(
+				'nml'          => $GLOBALS['phpgw']->nextmatchs->left('/index.php',$start,$totalentries,$extra_parms),
+				'nmr'          => $GLOBALS['phpgw']->nextmatchs->right('/index.php',$start,$totalentries,$extra_parms),
+				'search_value' => isset($query) && $query ? $GLOBALS['phpgw']->html->htmlspecialchars($query) : '',
+				'search'       => lang('search'),
+				'processed'    => urlencode(serialize($processed))
+			);
+
+			$this->template->set_var($var);
+
+			$this->template->pfp('out','preferences');
+		}
+
+		function check_acl($label,$id,$acl,$rights,$right,$disabled=False)
+		{
+			$this->template->set_var($acl,$label.$GLOBALS['phpgw_info']['flags']['currentapp'].'['.$id.'_'.$right.']');
+			$rights_set = ($rights & $right) ? ' checked="1"' : '';
+			if ($disabled)
+			{
+				// This is so you can't select it in the GUI
+				$rights_set .= ' disabled="1"';
+			}
+			$this->template->set_var($acl.'_selected',$rights_set);
+		}
+
+		function display_row($bg_color,$label,$id,$name,$no_privat_grants)
+		{
+			$this->template->set_var('row_color',$bg_color);
+			$this->template->set_var('user',$name);
+			$rights = $this->acl->get_rights($id,$GLOBALS['phpgw_info']['flags']['currentapp']);
+
+			$grantors = $this->acl->get_ids_for_location($id,$rights,$GLOBALS['phpgw_info']['flags']['currentapp']);
+			$is_group_set = False;
+			if (is_array($grantors))
+			{
+				foreach($grantors as $grantor)
+				{
+					if($GLOBALS['phpgw']->accounts->get_type($grantor) == 'g')
+					{
+						$is_group_set = True;
+					}
+				}
+			}
+
+			$this->check_acl($label,$id,'read',$rights,PHPGW_ACL_READ,$is_group_set && $rights & PHPGW_ACL_READ);
+			$this->check_acl($label,$id,'add',$rights,PHPGW_ACL_ADD,$is_group_set && $rights & PHPGW_ACL_ADD);
+			$this->check_acl($label,$id,'edit',$rights,PHPGW_ACL_EDIT,$is_group_set && $rights & PHPGW_ACL_EDIT);
+			$this->check_acl($label,$id,'delete',$rights,PHPGW_ACL_DELETE,$is_group_set && $rights & PHPGW_ACL_DELETE);
+			$this->check_acl($label,$id,'private',$rights,PHPGW_ACL_PRIVATE,$no_privat_grants);
+
+			$this->check_acl($label,$id,'custom_1',$rights,PHPGW_ACL_CUSTOM_1,$is_group_set && $rights & PHPGW_ACL_CUSTOM_1);
+			$this->check_acl($label,$id,'custom_2',$rights,PHPGW_ACL_CUSTOM_2,$is_group_set && $rights & PHPGW_ACL_CUSTOM_2);
+			$this->check_acl($label,$id,'custom_3',$rights,PHPGW_ACL_CUSTOM_3,$is_group_set && $rights & PHPGW_ACL_CUSTOM_3);
+			$this->template->parse('row','acl_row',True);
+		}
+	}
+?>