diff --git a/action/ajax.php b/action/ajax.php
--- a/action/ajax.php
+++ b/action/ajax.php
@@ -1,107 +1,127 @@
 <?php
 
 if(!defined('DOKU_INC')) die();
 
 class action_plugin_davcal_ajax extends DokuWiki_Action_Plugin {
 
     /**
      * @var helper_plugin_publish
      */
     private $hlp = null;
 
     function __construct() {
         $this->hlp =& plugin_load('helper','davcal');
     }
 
     function register(Doku_Event_Handler $controller) {
         $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax_call_unknown');
     }
 
     function handle_ajax_call_unknown(&$event, $param) {
       if($event->data != 'plugin_davcal') return;
       
       $event->preventDefault();
       $event->stopPropagation();
       global $INPUT;
       
       $action = trim($INPUT->post->str('action'));
       $id = trim($INPUT->post->str('id'));
       $params = $INPUT->post->arr('params');
       $user = $_SERVER['REMOTE_USER'];
       $write = false;
       
       $data = array();
       
       $data['result'] = false;
       $data['html'] = $this->getLang('unknown_error');
       
       $acl = auth_quickaclcheck($id);
       if($acl > AUTH_READ)
       {
           $write = true;
       }
       
       switch($action)
       {
           case 'newEvent':
               if($write)
               {
                   $data['result'] = true;
                   $data['html'] = $this->getLang('event_added');
                   $this->hlp->addCalendarEntryToCalendarForPage($id, $user, $params);
               }
               else
               {
                   $data['result'] = false;
                   $data['html'] = $this->getLang('no_permission');
               }
           break;
           case 'getEvents':
               $startDate = $INPUT->post->str('start');
               $endDate = $INPUT->post->str('end');
               $data = $this->hlp->getEventsWithinDateRange($id, $user, $startDate, $endDate);
               
           break;
           case 'editEvent':
               if($write)
               {
                   $data['result'] = true;
                   $data['html'] = $this->getLang('event_edited');
                   $this->hlp->editCalendarEntryForPage($id, $user, $params);
               }
               else
               {
                   $data['result'] = false;
                   $data['html'] = $this->getLang('no_permission');
               }
           break;
           case 'deleteEvent':
               if($write)
               {
                   $data['result'] = true;
                   $data['html'] = $this->getLang('event_deleted');
                   $this->hlp->deleteCalendarEntryForPage($id, $params);
               }
               else 
               {
                   $data['result'] = false;
                   $data['html'] = $this->getLang('no_permission');
               }
           break;
+          case 'getSettings':
+              $data['result'] = true;
+              $data['settings'] = $this->hlp->getPersonalSettings($user);
+          break;
+          case 'saveSettings':
+              $settings = array();
+              $settings['weeknumbers'] = $params['weeknumbers'];
+              $settings['timezone'] = $params['timezone'];
+              $settings['workweek'] = $params['workweek'];
+              if($this->hlp->savePersonalSettings($settings, $user))
+              {
+                  $data['result'] = true;
+                  $data['html'] = $this->getLang('settings_saved');
+              }
+              else
+              {
+                  $data['result'] = false;
+                  $data['html'] = $this->getLang('error_saving');
+              }
+          break;
       }
               
               
               
               
       // If we are still here, JSON output is requested
       
       //json library of DokuWiki
       require_once DOKU_INC . 'inc/JSON.php';
       $json = new JSON();
  
       //set content type
       header('Content-Type: application/json');
       echo $json->encode($data);            
     }
  
 }              
\ No newline at end of file
diff --git a/action/jsinfo.php b/action/jsinfo.php
new file mode 100644
--- /dev/null
+++ b/action/jsinfo.php
@@ -0,0 +1,28 @@
+<?php
+
+if(!defined('DOKU_INC')) die();
+
+class action_plugin_davcal_jsinfo extends DokuWiki_Action_Plugin {
+
+    function register(Doku_Event_Handler $controller) {
+        $controller->register_hook('DOKUWIKI_STARTED', 'AFTER', $this, 'add_jsinfo_information');
+    }
+
+    function add_jsinfo_information(&$event, $param) {
+      global $conf;
+      global $JSINFO;
+      
+      $lang = $conf['lang'];
+      
+      if(strpos($lang, "de") === 0)
+      {
+          $lc = 'de';
+      }
+      else 
+      {
+          $lc = 'en';    
+      }
+      
+      $JSINFO['plugin']['davcal']['language'] = $lc;
+    }  
+}
diff --git a/db/latest.version b/db/latest.version
--- a/db/latest.version
+++ b/db/latest.version
@@ -1,1 +1,1 @@
-2
+3
diff --git a/db/update0003.sql b/db/update0003.sql
new file mode 100644
--- /dev/null
+++ b/db/update0003.sql
@@ -0,0 +1,6 @@
+CREATE TABLE calendarsettings (
+    id integer primary key asc,
+    key text,
+    value text,
+    userid text
+);
diff --git a/helper.php b/helper.php
--- a/helper.php
+++ b/helper.php
@@ -1,306 +1,342 @@
 <?php
 /** 
   * Helper Class for the tagrevisions plugin
   * This helper does the actual work.
   * 
   * Configurable in DokuWiki's configuration
   */
   
 // must be run within Dokuwiki
 if(!defined('DOKU_INC')) die();
 
 class helper_plugin_davcal extends DokuWiki_Plugin {
   
   protected $sqlite = null;
   
   /**
     * Constructor to load the configuration
     */
   public function helper_plugin_davcal() {
     $this->sqlite =& plugin_load('helper', 'sqlite');
     if(!$this->sqlite)
     {
         msg('This plugin requires the sqlite plugin. Please install it.');
         return;
     }
     
     if(!$this->sqlite->init('davcal', DOKU_PLUGIN.'davcal/db/'))
     {
         return;
     }
   }
   
   public function setCalendarNameForPage($name, $description, $id = null, $userid = null)
   {
       if(is_null($id))
       {
           global $ID;
           $id = $ID;
       }
       if(is_null($userid))
         $userid = $_SERVER['REMOTE_USER'];
       $calid = $this->getCalendarIdForPage($id);
       if($calid === false)
         return $this->createCalendarForPage($name, $description, $id, $userid);
       
       // Update the calendar name here
       
   }
   
+  public function savePersonalSettings($settings, $userid = null)
+  {
+      if(is_null($userid))
+          $userid = $_SERVER['REMOTE_USER'];
+      $this->sqlite->query("BEGIN TRANSACTION");
+      
+      foreach($settings as $key => $value)
+      {
+          $query = "INSERT OR REPLACE INTO calendarsettings (userid, key, value) VALUES (".
+                   $this->sqlite->quote_string($userid).", ".
+                   $this->sqlite->quote_string($key).", ".
+                   $this->sqlite->quote_string($value).")";
+          $res = $this->sqlite->query($query);
+          if($res === false)
+              return false;
+      }
+      $this->sqlite->query("COMMIT TRANSACTION");
+      return true;
+  }
+  
+  public function getPersonalSettings($userid = null)
+  {
+      if(is_null($userid))
+        $userid = $_SERVER['REMOTE_USER'];
+      
+      $settings = array();
+      $query = "SELECT key, value FROM calendarsettings WHERE userid=".$this->sqlite->quote_string($userid);
+      $res = $this->sqlite->query($query);
+      $arr = $this->sqlite->res2arr($res);
+      foreach($arr as $row)
+      {
+          $settings[$row['key']] = $row['value'];
+      }
+      return $settings;
+  }
+  
   public function getCalendarIdForPage($id = null)
   {
       if(is_null($id))
       {
           global $ID;
           $id = $ID;
       }
       
       $query = "SELECT calid FROM pagetocalendarmapping WHERE page=".$this->sqlite->quote_string($id);
       $res = $this->sqlite->query($query);
       $row = $this->sqlite->res2row($res);
       if(isset($row['calid']))
         return $row['calid'];
       else
         return false;
   }
   
   public function getCalendarIdToPageMapping()
   {
       $query = "SELECT calid, page FROM pagetocalendarmapping";
       $res = $this->sqlite->query($query);
       $arr = $this->sqlite->res2arr($res);
       return $arr;
   }
   
   public function getCalendarIdsForUser($principalUri)
   {
       $user = explode('/', $principalUri);
       $user = end($user);
       $mapping = $this->getCalendarIdToPageMapping();
       $calids = array();
       foreach($mapping as $row)
       {
           $id = $row['calid'];
           $page = $row['page'];
           $acl = auth_quickaclcheck($page);
           if($acl >= AUTH_READ)
           {
               $write = $acl > AUTH_READ;
               $calids[$id] = array('readonly' => !$write);
           }
       }
       return $calids;
   }
   
   public function createCalendarForPage($name, $description, $id = null, $userid = null)
   {
       if(is_null($id))
       {
           global $ID;
           $id = $ID;
       }
       if(is_null($userid))
           $userid = $_SERVER['REMOTE_USER'];
       $values = array('principals/'.$userid, 
                       $name,
                       str_replace(array('/', ' ', ':'), '_', $id), 
                       $description,
                       'VEVENT,VTODO',
                       0,
                       1);
       $query = "INSERT INTO calendars (principaluri, displayname, uri, description, components, transparent, synctoken) VALUES (".$this->sqlite->quote_and_join($values, ',').");";
       $res = $this->sqlite->query($query);
       if($res === false)
         return false;
       $query = "SELECT id FROM calendars WHERE principaluri=".$this->sqlite->quote_string($values[0])." AND ".
                "displayname=".$this->sqlite->quote_string($values[1])." AND ".
                "uri=".$this->sqlite->quote_string($values[2])." AND ".
                "description=".$this->sqlite->quote_string($values[3]);
       $res = $this->sqlite->query($query);
       $row = $this->sqlite->res2row($res);
       if(isset($row['id']))
       {
           $values = array($id, $row['id']);
           $query = "INSERT INTO pagetocalendarmapping (page, calid) VALUES (".$this->sqlite->quote_and_join($values, ',').")";
           $res = $this->sqlite->query($query);
           return ($res !== false);
       }
       
       return false;
   }
 
   public function addCalendarEntryToCalendarForPage($id, $user, $params)
   {
       require_once('vendor/autoload.php');
       $vcalendar = new \Sabre\VObject\Component\VCalendar();
       $event = $vcalendar->add('VEVENT');
       $event->summary = $params['eventname'];
       $dtStart = new \DateTime($params['eventfrom'], new \DateTimeZone('Europe/Vienna')); // FIXME: Timezone
       $dtEnd = new \DateTime($params['eventto'], new \DateTimeZone('Europe/Vienna')); // FIXME: Timezone
       $event->DTSTART = $dtStart;
       $event->DTEND = $dtEnd;
       $calid = $this->getCalendarIdForPage($id);
       $uri = uniqid('dokuwiki-').'.ics';
       $now = new DateTime();
       $eventStr = $vcalendar->serialize();
       
       $values = array($calid,
                       $uri,
                       $eventStr,
                       $now->getTimestamp(),
                       'VEVENT',
                       $event->DTSTART->getDateTime()->getTimeStamp(),
                       $event->DTEND->getDateTime()->getTimeStamp(),
                       strlen($eventStr),
                       md5($eventStr),
                       uniqid()
       );
       
       $query = "INSERT INTO calendarobjects (calendarid, uri, calendardata, lastmodified, componenttype, firstoccurence, lastoccurence, size, etag, uid) VALUES (".$this->sqlite->quote_and_join($values, ',').")";
       $res = $this->sqlite->query($query);
       if($res !== false)
       {
           $this->updateSyncTokenLog($calid, $uri, 'added');
           return true;
       }
       return false;
   }
 
   public function getEventsWithinDateRange($id, $user, $startDate, $endDate)
   {
       $data = array();
       require_once('vendor/autoload.php');
       $calid = $this->getCalendarIdForPage($id);
       $startTs = new \DateTime($startDate);
       $endTs = new \DateTime($endDate);
       $query = "SELECT calendardata, componenttype, uid FROM calendarobjects WHERE calendarid=".
                 $this->sqlite->quote_string($calid)." AND firstoccurence > ".
                 $this->sqlite->quote_string($startTs->getTimestamp())." AND firstoccurence < ".
                 $this->sqlite->quote_string($endTs->getTimestamp());
       $res = $this->sqlite->query($query);
       $arr = $this->sqlite->res2arr($res);
       foreach($arr as $row)
       {
           if(isset($row['calendardata']))
           {
               $vcal = \Sabre\VObject\Reader::read($row['calendardata']);
               $start = $vcal->VEVENT->DTSTART->getDateTime();
               $end = $vcal->VEVENT->DTEND->getDateTime();
               $summary = (string)$vcal->VEVENT->summary;
               $data[] = array("title" => $summary, "start" => $start->format(\DateTime::W3C),
                               "end" => $end->format(\DateTime::W3C),
                               "id" => $row['uid']);
           }
       }
       return $data;
   }
   
   public function getEventWithUid($uid)
   {
       $query = "SELECT calendardata, calendarid, componenttype, uri FROM calendarobjects WHERE uid=".
                 $this->sqlite->quote_string($uid);
       $res = $this->sqlite->query($query);
       $row = $this->sqlite->res2row($res);
       return $row;
   }
   
   public function editCalendarEntryForPage($id, $user, $params)
   {
       $uid = $params['uid'];
       $event = $this->getEventWithUid($uid);
       require_once('vendor/autoload.php');
       if(!isset($event['calendardata']))
         return false;
       $uri = $event['uri'];
       $calid = $event['calendarid'];
       $vcal = \Sabre\VObject\Reader::read($event['calendardata']);
       $vcal->VEVENT->summary = $params['eventname'];
       $dtStart = new \DateTime($params['eventfrom'], new \DateTimeZone('Europe/Vienna')); // FIXME: Timezone
       $dtEnd = new \DateTime($params['eventto'], new \DateTimeZone('Europe/Vienna')); // FIXME: Timezone
       $vcal->VEVENT->DTSTART = $dtStart;
       $vcal->VEVENT->DTEND = $dtEnd;
       $now = new DateTime();
       $eventStr = $vcal->serialize();
       
       $query = "UPDATE calendarobjects SET calendardata=".$this->sqlite->quote_string($eventStr).
                ", lastmodified=".$this->sqlite->quote_string($now->getTimestamp()).
                ", firstoccurence=".$this->sqlite->quote_string($dtStart->getTimestamp()).
                ", lastoccurence=".$this->sqlite->quote_string($dtEnd->getTimestamp()).
                ", size=".strlen($eventStr).
                ", etag=".$this->sqlite->quote_string(md5($eventStr)).
                " WHERE uid=".$this->sqlite->quote_string($uid);
       $res = $this->sqlite->query($query);
       if($res !== false)
       {
           $this->updateSyncTokenLog($calid, $uri, 'modified');
           return true;
       }
       return false;
   }
 
   public function deleteCalendarEntryForPage($id, $params)
   {
       $uid = $params['uid'];
       $event = $this->getEventWithUid($uid);
       $calid = $event['calendarid'];
       $uri = $event['uri'];
       $query = "DELETE FROM calendarobjects WHERE uid=".$this->sqlite->quote_string($uid);
       $res = $this->sqlite->query($query);
       if($res !== false)
       {
           $this->updateSyncTokenLog($calid, $uri, 'deleted');
       }
       return true;
   }
   
   public function getSyncTokenForCalendar($calid)
   {
       $query = "SELECT synctoken FROM calendars WHERE id=".$this->sqlite->quote_string($calid);
       $res = $this->sqlite->query($query);
       $row = $this->sqlite->res2row($res);
       if(isset($row['synctoken']))
           return $row['synctoken'];
       return false;
   }
   
   public function operationNameToOperation($operationName)
   {
       switch($operationName)
       {
           case 'added':
               return 1;
           break;
           case 'modified':
               return 2;
           break;
           case 'deleted':
               return 3;
           break;
       }
       return false;
   }
   
   private function updateSyncTokenLog($calid, $uri, $operation)
   {
       $currentToken = $this->getSyncTokenForCalendar($calid);
       $operationCode = $this->operationNameToOperation($operation);
       if(($operationCode === false) || ($currentToken === false))
           return false;
       $values = array($uri,
                       $currentToken,
                       $calid,
                       $operationCode
       );
       $query = "INSERT INTO calendarchanges (uri, synctoken, calendarid, operation) VALUES(".
                $this->sqlite->quote_and_join($values, ',').")";
       $res = $this->sqlite->query($query);
       if($res === false)
         return false;
       $currentToken++;
       $query = "UPDATE calendars SET synctoken=".$this->sqlite->quote_string($currentToken)." WHERE id=".
                $this->sqlite->quote_string($calid);
       $res = $this->sqlite->query($query);
       return ($res !== false);
   }
   
 }
diff --git a/images/settings.png b/images/settings.png
new file mode 100644
index 0000000000000000000000000000000000000000..52ef9ff3994ee3b97136ae25403cf2095714f018
GIT binary patch
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diff --git a/lang/en/lang.php b/lang/en/lang.php
--- a/lang/en/lang.php
+++ b/lang/en/lang.php
@@ -1,22 +1,31 @@
 <?php
 $lang['created_by_davcal'] = 'Created by DAVCal for DokuWiki';
 $lang['unknown_error'] = 'Unknown Error';
 $lang['event_added'] = 'Event added';
 $lang['event_edited'] = 'Event edited';
 $lang['event_deleted'] = 'Event deleted';
 $lang['no_permission'] = 'You don\'t have permission to modify this calendar';
+$lang['settings'] = 'Settings/Sync';
+$lang['settings_saved'] = 'Settings saved successfully';
+$lang['error_saving'] = 'Error saving settings.';
 $lang['js']['create_new_event'] = 'Create new Event';
 $lang['js']['cancel'] = 'Cancel';
 $lang['js']['create'] = 'Create';
+$lang['js']['save'] = 'Save';
+$lang['js']['settings'] = 'Settings';
 $lang['js']['edit'] = 'Edit';
 $lang['js']['delete'] = 'Delete';
 $lang['js']['edit_event'] = 'Edit Event';
 $lang['js']['allday'] = 'All Day Event';
 $lang['js']['title'] = 'Title';
 $lang['js']['from'] = 'From';
 $lang['js']['to'] = 'To';
 $lang['js']['yes'] = 'Yes';
 $lang['js']['confirmation'] = 'Confirmation';
 $lang['js']['ok'] = 'OK';
 $lang['js']['info'] = 'Info';
 $lang['js']['really_delete_this_event'] = 'Really delete this event?';
+$lang['js']['timezone'] = 'Timezone';
+$lang['js']['weeknumbers'] = 'Week Numbers';
+$lang['js']['use_lang_tz'] = 'Use Timezone from language setting';
+$lang['js']['only_workweek'] = 'Show only Work Week';
diff --git a/script.js b/script.js
--- a/script.js
+++ b/script.js
@@ -1,358 +1,498 @@
 /* DOKUWIKI:include_once fullcalendar-2.4.0/moment.js */
 /* DOKUWIKI:include_once fullcalendar-2.4.0/fullcalendar.js */
+/* DOKUWIKI:include_once fullcalendar-2.4.0/lang/de.js */
+/* DOKUWIKI:include_once fullcalendar-2.4.0/lang/en.js */
 /* DOKUWIKI:include_once datetimepicker-2.4.5/jquery.datetimepicker.js */
 
 jQuery(function() {
     // Redefine functions for using moment.js with datetimepicker
     
     Date.parseDate = function( input, format ){
       return moment(input,format).toDate();
     };
     Date.prototype.dateFormat = function( format ){
       return moment(this).format(format);
     };
     
+    // Attach to event links
     
-    // Initialize the davcal popup
-    var res = jQuery('#fullCalendar').fullCalendar({
-        dayClick: function(date, jsEvent, view) {
-            dw_davcal__modals.showNewEventDialog(date);
-        },
-        eventClick: function(calEvent, jsEvent, view) {
-            dw_davcal__modals.showEditEventDialog(calEvent);
+    jQuery('div.fullCalendarSettings a').each(function() {
+        var $link = jQuery(this);
+        var href = $link.attr('href');
+        if (!href) return;
+        
+        $link.click(
+            function(e) {
+                dw_davcal__modals.showSettingsDialog();
+                e.preventDefault();
+                return '';
+            }
+        );
+        }
+    );
+    
+    var postArray = { };
+    jQuery.post(
+        DOKU_BASE + 'lib/exe/ajax.php',
+        {
+            call: 'plugin_davcal',
+            id: JSINFO.id,
+            action: 'getSettings',
+            params: postArray
         },
-        events: {
-            url: DOKU_BASE + 'lib/exe/ajax.php',
-            type: 'POST',
-            data: {
-                call: 'plugin_davcal',
-                action: 'getEvents',
-                id: JSINFO.id
-            },
-            error: function() {
-                //alert('there was an error retrieving calendar data');
+        function(data)
+        {
+            var result = data['result'];
+            if(result === true)
+            {
+                dw_davcal__modals.settings = data['settings'];
+                var wknum = false;
+                var tz = false;
+                var we = true;
+                if(data['settings']['weeknumbers'] == 1)
+                    wknum = true;
+                if(data['settings']['timezne'] !== '')
+                    tz = data['settings']['timezone'];
+                if(data['settings']['workweek'] == 1)
+                    we = false;
+                // Initialize the davcal popup
+                var res = jQuery('#fullCalendar').fullCalendar({
+                    dayClick: function(date, jsEvent, view) {
+                        dw_davcal__modals.showNewEventDialog(date);
+                    },
+                    eventClick: function(calEvent, jsEvent, view) {
+                        dw_davcal__modals.showEditEventDialog(calEvent);
+                    },
+                    events: {
+                        url: DOKU_BASE + 'lib/exe/ajax.php',
+                        type: 'POST',
+                        data: {
+                            call: 'plugin_davcal',
+                            action: 'getEvents',
+                            id: JSINFO.id
+                        },
+                        error: function() {
+                            //alert('there was an error retrieving calendar data');
+                        }
+                    },
+                    header: {
+                        left: 'title',
+                        center: 'today prev,next',
+                        right: 'month,agendaWeek,agendaDay'
+                    },
+                    lang: JSINFO.plugin.davcal['language'],
+                    weekNumbers: wknum,
+                    timeZone: tz,
+                    weekends: we,
+                });
             }
-        },
-        header: {
-            left: 'title',
-            center: 'today prev,next',
-            right: 'month,agendaWeek,agendaDay'
-        },
-    });
+        }
+    );    
 });
 
 var dw_davcal__modals = {
     $newEventDialog : null,
     $editEventDialog: null,
     $infoDialog: null,
     $confirmDialog: null,
+    $settingsDialog: null,
     msg: null,
     completeCb: null,
     action: null,
     uid: null,
+    settings: null,
+    
+    showSettingsDialog : function() {
+        if(dw_davcal__modals.$settingsDialog)
+            return;
+
+        var dialogButtons = {};
+        dialogButtons[LANG.plugins.davcal['save']] = function() {
+            var postArray = { };
+            jQuery("input[class=dw_davcal__settings]").each(function() {
+              if(jQuery(this).attr('type') == 'checkbox')
+              {
+                  postArray[jQuery(this).prop('name')] = jQuery(this).prop('checked') ? 1 : 0;
+              }
+              else
+              {
+                  postArray[jQuery(this).prop('name')] = jQuery(this).val();
+              }
+            });
+            jQuery('#dw_davcal__ajaxsettings').html('<img src="'+DOKU_BASE+'lib/images/throbber.gif" alt="" width="16" height="16" />');
+            jQuery.post(
+                DOKU_BASE + 'lib/exe/ajax.php',
+                {
+                    call: 'plugin_davcal',
+                    id: JSINFO.id,
+                    action: 'saveSettings',
+                    params: postArray
+                },
+                function(data)
+                {
+                    var result = data['result'];
+                    var html = data['html'];
+                    jQuery('#dw_davcal__ajaxsettings').html(html);
+                    if(result === true)
+                    {
+                        location.reload();
+                    }
+                }
+            );
+        };
+        dialogButtons[LANG.plugins.davcal['cancel']] = function () {
+            dw_davcal__modals.hideSettingsDialog();
+        };
+        
+        dw_davcal__modals.$settingsDialog = jQuery(document.createElement('div'))
+       .dialog({
+           autoOpen: false,
+           draggable: true,
+           title: LANG.plugins.davcal['settings'],
+           resizable: true,         
+           buttons: dialogButtons,
+       })
+       .html(
+            '<div><table>' +
+            //'<tr><td>' + LANG.plugins.davcal['use_lang_tz'] + '</td><td><input type="checkbox" name="use_lang_tz" id+"dw_davcal__settings_use_lang_tz" class="dw_davcal__settings"></td></tr>' + 
+            '<tr><td>' + LANG.plugins.davcal['timezone'] + '</td><td>Timezone Dropdown</td></tr>' +
+            '<tr><td>' + LANG.plugins.davcal['weeknumbers'] + '</td><td><input type="checkbox" name="weeknumbers" id="dw_davcal__settings_weeknumbers" class="dw_davcal__settings"></td></tr>' +
+            '<tr><td>' + LANG.plugins.davcal['only_workweek'] + '</td><td><input type="checkbox" name="workweek" id="dw_davcal__settings_workweek" class="dw_davcal__settings"></td></tr>' +
+            '</table>' +
+            '</div>' +
+            '<div id="dw_davcal__ajaxsettings"></div>'
+            )
+       .parent()
+       .attr('id','dw_davcal__settings')
+       .show()
+       .appendTo('.dokuwiki:first');
+       
+           // attach event handlers
+        jQuery('#dw_davcal__settings .ui-dialog-titlebar-close').click(function(){
+          dw_davcal__modals.hideSettingsDialog();
+        });
+        if(dw_davcal__modals.settings)
+        {
+            if(dw_davcal__modals.settings['weeknumbers'] == 1)
+                jQuery('#dw_davcal__settings_weeknumbers').prop('checked', true);
+            else
+                jQuery('#dw_davcal__settings_weeknumbers').prop('checked', false);
+                
+            if(dw_davcal__modals.settings['workweek'] == 1)
+                jQuery('#dw_davcal__settings_workweek').prop('checked', true);
+            else
+                jQuery('#dw_davcal__settings_workweek').prop('checked', false);
+        }        
+    },
     
     showEditEventDialog : function(calEvent) {
         if(dw_davcal__modals.$editEventDialog)
             return;
             
         var dialogButtons = {};
         dialogButtons[LANG.plugins.davcal['edit']] = function() {
             var postArray = { };
             jQuery("input[class=dw_davcal__editevent]").each(function() {
               if(jQuery(this).attr('type') == 'checkbox')
               {
                   postArray[jQuery(this).prop('name')] = jQuery(this).prop('checked') ? 1 : 0;
               }
               else
               {
                   postArray[jQuery(this).prop('name')] = jQuery(this).val();
               }
             });
             jQuery('#dw_davcal__ajaxedit').html('<img src="'+DOKU_BASE+'lib/images/throbber.gif" alt="" width="16" height="16" />');
             jQuery.post(
                 DOKU_BASE + 'lib/exe/ajax.php',
                 {
                     call: 'plugin_davcal',
                     id: JSINFO.id,
                     action: 'editEvent',
                     params: postArray
                 },
                 function(data)
                 {
                     var result = data['result'];
                     var html = data['html'];
                     jQuery('#dw_davcal__ajaxedit').html(html);
                     if(result === true)
                     {
                         jQuery('#fullCalendar').fullCalendar('refetchEvents');
                         dw_davcal__modals.hideEditEventDialog();
                     }
                 }
             );
         };
         dialogButtons[LANG.plugins.davcal['cancel']] = function() {
             dw_davcal__modals.hideEditEventDialog();
         };
         dialogButtons[LANG.plugins.davcal['delete']] = function() {
             dw_davcal__modals.action = 'deleteEvent';
             dw_davcal__modals.msg = LANG.plugins.davcal['really_delete_this_event'];
             dw_davcal__modals.completeCb = function(data) {
                 if(data.result == false)
                 {
                     dw_davcal__modals.msg = data.errmsg;
                     dw_davcal__modals.showInfoDialog();
                 }
                 else
                 {
                     jQuery('#fullCalendar').fullCalendar('refetchEvents');
                     dw_davcal__modals.hideEditEventDialog();
                 }
             };
             dw_davcal__modals.showConfirmDialog();
         };
         dw_davcal__modals.uid = calEvent.id;
         dw_davcal__modals.$editEventDialog = jQuery(document.createElement('div'))
        .dialog({
            autoOpen: false,
            draggable: true,
            title: LANG.plugins.davcal['edit_event'],
            resizable: true,         
            buttons: dialogButtons,
        })
        .html(
             '<div><table><tr><td>' + LANG.plugins.davcal['title'] + '</td><td><input type="text" id="dw_davcal__eventname_edit" name="eventname" class="dw_davcal__editevent"></td></tr>' +
             '<tr><td>' + LANG.plugins.davcal['from'] + '</td><td><input type="text" name="eventfrom" id="dw_davcal__eventfrom_edit" class="dw_davcal__editevent"></td></tr>' +
             '<tr><td>' + LANG.plugins.davcal['to'] + '</td><td><input type="text" name="eventto" id="dw_davcal__eventto_edit" class="dw_davcal__editevent"></td></tr>' +
             '<tr><td colspan="2"><input type="checkbox" name="allday" id="dw_davcal__allday_edit" class="dw_davcal__editevent">' + LANG.plugins.davcal['allday'] + '</td></tr>' +
             '</table>' +
             '<input type="hidden" name="uid" id="dw_davcal__uid_edit" class="dw_davcal__editevent">' +
             '</div>' +
             '<div id="dw_davcal__ajaxedit"></div>'
             )
        .parent()
        .attr('id','dw_davcal__edit')
        .show()
        .appendTo('.dokuwiki:first');
        
        jQuery('#dw_davcal__uid_edit').val(calEvent.id);
        jQuery('#dw_davcal__eventname_edit').val(calEvent.title);
        jQuery('#dw_davcal__eventfrom_edit').val(calEvent.start.format('YYYY-MM-DD HH:mm'));
        jQuery('#dw_davcal__eventto_edit').val(calEvent.end.format('YYYY-MM-DD HH:mm'));
        jQuery('#dw_davcal__allday_edit').prop('checked', calEvent.allDay);
        
            // attach event handlers
         jQuery('#dw_davcal__edit .ui-dialog-titlebar-close').click(function(){
           dw_davcal__modals.hideEditEventDialog();
         });
         jQuery('#dw_davcal__eventfrom_edit').datetimepicker({format:'YYYY-MM-DD HH:mm',
                                                       formatTime:'HH:mm',
                                                       formatDate:'YYYY-MM-DD', 
                                                       step: 15});
         jQuery('#dw_davcal__eventto_edit').datetimepicker({format:'YYYY-MM-DD HH:mm',
                                                       formatTime:'HH:mm',
                                                       formatDate:'YYYY-MM-DD', 
                                                       step: 15});
         jQuery('#dw_davcal__allday_edit').change(function() {
             if(jQuery(this).is(":checked"))
             {
                 jQuery('#dw_davcal__eventfrom_edit').datetimepicker({timepicker: false});
                 jQuery('#dw_davcal__eventto_edit').datetimepicker({timepicker: false});
             }
             else
             {
                 jQuery('#dw_davcal__eventfrom_edit').datetimepicker({timepicker: true});
                 jQuery('#dw_davcal__eventto_edit').datetimepicker({timepicker: true});
             }
         });        
     },
     
     showNewEventDialog : function(date) {
         if(dw_davcal__modals.$newEventDialog)
             return;
         var dialogButtons = {};
         dialogButtons[LANG.plugins.davcal['create']] = function() {
             var postArray = { };
             jQuery("input[class=dw_davcal__newevent]").each(function() {
               if(jQuery(this).attr('type') == 'checkbox')
               {
                   postArray[jQuery(this).prop('name')] = jQuery(this).prop('checked') ? 1 : 0;
               }
               else
               {
                   postArray[jQuery(this).prop('name')] = jQuery(this).val();
               }
             });
             jQuery('#dw_davcal__ajaxnew').html('<img src="'+DOKU_BASE+'lib/images/throbber.gif" alt="" width="16" height="16" />');
             jQuery.post(
                 DOKU_BASE + 'lib/exe/ajax.php',
                 {
                     call: 'plugin_davcal',
                     id: JSINFO.id,
                     action: 'newEvent',
                     params: postArray
                 },
                 function(data)
                 {
                     var result = data['result'];
                     var html = data['html'];
                     jQuery('#dw_davcal__ajaxnew').html(html);
                     if(result === true)
                     {
                         jQuery('#fullCalendar').fullCalendar('refetchEvents');
                         dw_davcal__modals.hideNewEventDialog();
                     }
                 }
             );
         };
         dialogButtons[LANG.plugins.davcal['cancel']] = function() {
             dw_davcal__modals.hideNewEventDialog();
         };
         dw_davcal__modals.$newEventDialog = jQuery(document.createElement('div'))
        .dialog({
            autoOpen: false,
            draggable: true,
            title: LANG.plugins.davcal['create_new_event'],
            resizable: true,         
            buttons: dialogButtons,
        })
        .html(
             '<div><table><tr><td>' + LANG.plugins.davcal['title'] + '</td><td><input type="text" name="eventname" class="dw_davcal__newevent"></td></tr>' +
             '<tr><td>' + LANG.plugins.davcal['from'] + '</td><td><input type="text" value="' + date.format('YYYY-MM-DD') + ' 12:00" name="eventfrom" id="dw_davcal__eventfrom" class="dw_davcal__newevent"></td></tr>' +
             '<tr><td>' + LANG.plugins.davcal['to'] + '</td><td><input type="text" name="eventto"  value="' + date.format('YYYY-MM-DD') + ' 12:00" id="dw_davcal__eventto" class="dw_davcal__newevent"></td></tr>' +
             '<tr><td colspan="2"><input type="checkbox" name="allday" id="dw_davcal__allday" class="dw_davcal__newevent">' + LANG.plugins.davcal['allday'] + '</td></tr>' +
             '</table>' +
             '</div>' +
             '<div id="dw_davcal__ajaxnew"></div>'
             )
        .parent()
        .attr('id','dw_davcal__createnew')
        .show()
        .appendTo('.dokuwiki:first');
        
            // attach event handlers
         jQuery('#dw_davcal__createnew .ui-dialog-titlebar-close').click(function(){
           dw_davcal__modals.hideNewEventDialog();
         });
         jQuery('#dw_davcal__eventfrom').datetimepicker({format:'YYYY-MM-DD HH:mm',
                                                       formatTime:'HH:mm',
                                                       formatDate:'YYYY-MM-DD', 
                                                       step: 15});
         jQuery('#dw_davcal__eventto').datetimepicker({format:'YYYY-MM-DD HH:mm',
                                                       formatTime:'HH:mm',
                                                       formatDate:'YYYY-MM-DD', 
                                                       step: 15});
         jQuery('#dw_davcal__allday').change(function() {
             if(jQuery(this).is(":checked"))
             {
                 jQuery('#dw_davcal__eventfrom').datetimepicker({timepicker: false});
                 jQuery('#dw_davcal__eventto').datetimepicker({timepicker: false});
             }
             else
             {
                 jQuery('#dw_davcal__eventfrom').datetimepicker({timepicker: true});
                 jQuery('#dw_davcal__eventto').datetimepicker({timepicker: true});
             }
         });
     },
     
     showConfirmDialog : function()
     {
         if(dw_davcal__modals.$confirmDialog)
             return;
         var dialogButtons = {};
         dialogButtons[LANG.plugins.davcal['yes']] =  function() {
                         jQuery.post(
                             DOKU_BASE + 'lib/exe/ajax.php',
                             {
                                 call: 'plugin_davcal',
                                 id: JSINFO.id,
                                 action: dw_davcal__modals.action,
                                 params: {
                                     uid: dw_davcal__modals.uid
                                 }
                             },
                             function(data)
                             {
                                 dw_davcal__modals.completeCb(data);
                             }
                         );
                         dw_davcal__modals.hideConfirmDialog();
                 };
         dialogButtons[LANG.plugins.tagrevisions['cancel']] = function() {
                         dw_davcal__modals.hideConfirmDialog();
                 };
         dw_davcal__modals.$confirmDialog = jQuery(document.createElement('div'))
             .dialog({
                 autoOpen: false,
                 draggable: true,
                 title: LANG.plugins.tagrevisions['confirmation'],
                 resizable: true,
                 buttons: dialogButtons,
             })
             .html(
                 '<div>' + dw_davcal__modals.msg + '</div>'
             )
             .parent()
             .attr('id','dw_davcal__confirm')
             .show()
             .appendTo('.dokuwiki:first');
    
                  // attach event handlers
             jQuery('#dw_davcal__confirm .ui-dialog-titlebar-close').click(function(){
                 dw_davcal__modals.hideConfirmDialog();
             });
     },
     
     showInfoDialog : function() {
        if(dw_davcal__modal.$infoDialog)
             return;
        var dialogButtons = {};
        dialogButtons[LANG.plugins.davcal['ok']] = function() {
                  dw_davcal__modals.hideInfoDialog();
            };
        dw_davcal__modals.$infoDialog = jQuery(document.createElement('div'))
        .dialog({
            autoOpen: false,
            draggable: true,
            title: LANG.plugins.davcal['info'],
            resizable: true,         
            buttons: dialogButtons,
        })
        .html(
             '<div>' + dw_davcal__modals.msg + '</div>'
             )
        .parent()
        .attr('id','dw_davcal__info')
        .show()
        .appendTo('.dokuwiki:first');
        
            // attach event handlers
         jQuery('#dw_davcal__info .ui-dialog-titlebar-close').click(function(){
           dw_davcal__modals.hideInfoDialog();
         });
     },         
     
     hideNewEventDialog : function() {
         dw_davcal__modals.$newEventDialog.empty();
         dw_davcal__modals.$newEventDialog.remove();
         dw_davcal__modals.$newEventDialog = null;
     },
     
     hideEditEventDialog : function() {
         dw_davcal__modals.$editEventDialog.empty();
         dw_davcal__modals.$editEventDialog.remove();
         dw_davcal__modals.$editEventDialog = null;
     },
     
     hideInfoDialog : function() {
         dw_davcal__modals.$infoDialog.empty();
         dw_davcal__modals.$infoDialog.remove();
         dw_davcal__modals.$infoDialog = null;
     },
     
     hideConfirmDialog: function() {
         dw_davcal__modals.$confirmDialog.empty();
         dw_davcal__modals.$confirmDialog.remove();
         dw_davcal__modals.$confirmDialog = null;
+    },
+    
+    hideSettingsDialog: function() {
+        dw_davcal__modals.$settingsDialog.empty();
+        dw_davcal__modals.$settingsDialog.remove();
+        dw_davcal__modals.$settingsDialog = null;
     }
 };
diff --git a/style.css b/style.css
--- a/style.css
+++ b/style.css
@@ -1,17 +1,38 @@
 @import "fullcalendar-2.4.0/fullcalendar.less";
 @import "datetimepicker-2.4.5/jquery.datetimepicker.less";
 
 
 /* modal windows */
-#davcal__createnew {
+#dw_davcal__createnew,
+#dw_davcal__edit,
+#dw_davcal__info,
+#dw_davcal__settings,
+#dw_davcal__confirm {
     position: absolute;
     background-color: #fff;
     color: #000;
     z-index: 20;
     overflow: hidden;
 }
 
-#davcal__createnew .ui-dialog-content {
+#dw_davcal__edit .ui-dialog-content,
+#dw_davcal__info .ui-dialog-content,
+#dw_davcal__confirm .ui-dialog-content,
+#dw_davcal__settings .ui-dialog-content,
+#dw_davcal__createnew .ui-dialog-content {
     padding-left: 0;
     padding-right: 0;
 }
+
+#dw_davcal__confirm,
+#dw_davcal__info,
+#dw_davcal__edit,
+#dw_davcal__settings,
+#dw_davcal__createnew {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 300px;
+    height: 260px;
+    margin:-130px 0 0 -150px;
+}
\ No newline at end of file
diff --git a/syntax.php b/syntax.php
--- a/syntax.php
+++ b/syntax.php
@@ -1,88 +1,89 @@
 <?php
 /**
  * DokuWiki Plugin tagrevisions (Syntax Component)
  *
  * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
  * @author  Andreas Böhler <dev@aboehler.at>
  */
 
 // must be run within Dokuwiki
 if(!defined('DOKU_INC')) die();
 
 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
 require_once(DOKU_PLUGIN.'syntax.php');
 
 class syntax_plugin_davcal extends DokuWiki_Syntax_Plugin {
     
     protected $hlp = null;
     
     // Load the helper plugin
     public function syntax_plugin_davcal() {  
         $this->hlp =& plugin_load('helper', 'davcal');     
     }
     
     
     /**
      * What kind of syntax are we?
      */
     function getType(){
         return 'substition';
     }
 
     /**
      * What about paragraphs?
      */
     function getPType(){
         return 'normal';
     }
 
     /**
      * Where to sort in?
      */
     function getSort(){
         return 165;
     }
 
     /**
      * Connect pattern to lexer
      */
     function connectTo($mode) {
         $this->Lexer->addSpecialPattern('\{\{davcal>[^}]*\}\}',$mode,'plugin_davcal');
     }
 
     /**
      * Handle the match
      */
     function handle($match, $state, $pos, &$handler){
         global $ID;
         $options = trim(substr($match,9,-2));
         $options = explode(',', $options);
         $data = array('name' => '',
                       'description' => $this->getLang('created_by_davcal'));
         foreach($options as $option)
         {
             list($key, $val) = explode('=', $option);
             $key = strtolower(trim($key));
             $val = trim($val);
             $data[$key] = $val;
         }
         $this->hlp->setCalendarNameForPage($data['name'], $data['description'], $ID, $_SERVER['REMOTE_USER']);
         
         return array($data);
     }
     
     /**
      * Create output
      */
     function render($format, &$R, $data) {
         if($format != 'xhtml') return false;
         
         $R->doc .= '<div id="fullCalendar"></div>';
+        $R->doc .= '<div class="fullCalendarSettings"><a href="#" class="fullCalendarSettings"><img src="'.DOKU_URL.'lib/plugins/davcal/images/settings.png'.'">'.$this->getLang('settings').'</a></div>';
      
     }
 
 
    
 }
 
 // vim:ts=4:sw=4:et:enc=utf-8: