diff --git a/action/ajax.php b/action/ajax.php
--- a/action/ajax.php
+++ b/action/ajax.php
@@ -1,236 +1,241 @@
 <?php
 
 /**
  * DokuWiki DAVCard PlugIn - Ajax component
  */
 
 if(!defined('DOKU_INC')) die();
 
 class action_plugin_davcard_ajax extends DokuWiki_Action_Plugin {
 
     /**
      * @var helper_plugin_davcard
      */
     private $hlp = null;
 
     function __construct() {
         $this->hlp =& plugin_load('helper','davcard');
     }
 
     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_davcard') return;
       
       $event->preventDefault();
       $event->stopPropagation();
       global $INPUT;
       
       $action = trim($INPUT->post->str('action'));
       $id = trim($INPUT->post->str('id'));
       $page = trim($INPUT->post->str('page'));
       $params = $INPUT->post->arr('params');
       if(isset($_SERVER['REMOTE_USER']) && !is_null($_SERVER['REMOTE_USER']))
         $user = $_SERVER['REMOTE_USER'];
       else
         $user = null;
       
       if(!checkSecurityToken())
       {
           echo "CSRF Attack.";
           return;
       }
       
       $data = array();
       
       $data['result'] = false;
       $data['html'] = $this->getLang('unknown_error');
       
       // Parse the requested action
       switch($action)
       {
           // Add a new Contact
           case 'newContact':
               if($this->hlp->addContactEntryToAddressbookForPage($id, $user, $params) === true)
               {
                   $data['result'] = true;
               }
               else
               {
                   $data['result'] = false;
                   $data['html'] = $this->getLang('error_adding');
               }
           break;
           
           // Retrieve contact details
           case 'getContactDetails':
               $contactdata = $this->hlp->getContactByUri($id, $params['uri']);
               if($contactdata['result'] === true)
               {
+                  // When we support pictures for editing contacts,
+                  // we need to use the following line: 
+                  // $contactdata['photo'] = base64_encode($contactdata['photo']);
+                  // For now, we just save bandwidth :)
+                  unset($contactdata['photo']);
                   $data['result'] = true;
                   $data['contactdata'] = $contactdata;
               }
               else
               {
                   $data['result'] = false;
                   $data['html'] = $this->getLang('contact_not_found');
               }
           break;
 
           // Edit a contact
           case 'editContact':
               if($this->hlp->editContactEntryToAddressbookForPage($id, $user, $params['uri'], $params) === true)
               {
                   $data['result'] = true;
               }
               else 
               {
                   $data['result'] = false;
                   $data['html'] = $this->getLang('error_editing');
               }
           break;
           // Delete a Contact
           case 'deleteContact':
               if($this->hlp->deleteContactEntryToAddressbookForPage($id, $user, $params['uri']) === true)
               {
                   $data['result'] = true;
               }
               else
               {
                   $data['result'] = false;
                   $data['html'] = $this->getLang('error_deleting');
               }
           break;
           // Get AJAX popup
           case 'getContactAjax':
               $contactdata = $this->hlp->getContactByUri($id, $params['uri']);
               $cardpattern = $this->getConf('popup_content');
               echo '<div class="plugin_davcard_popup_container">';
               foreach($contactdata['photo'] as $data)
               {
                   if(isset($data['type']))
                     $type = $data['type'];
                   else
                     $type = '';
                   echo '<div class="plugin_davcard_popup_image">';
                   $imgdata = base64_encode($data['photo']);
                   $pattern = '/^(?:[;\/?:@&=+$,]|(?:[^\W_]|[-_.!~*\()\[\] ])|(?:%[\da-fA-F]{2}))*$/';
 
                   // PNG images
                   if($type == 'png')
                   {
                       $imgdata = 'data:image/png;base64,'.$imgdata;
                       echo '<img src="'.$imgdata.'" alt="contact image" />';
                   }
                   // JPEG images
                   elseif(($type == 'jpeg') || ($type == 'jpg'))
                   {
                       $imgdata = 'data:image/jpeg;base64,'.$imgdata;
                       echo '<img src="'.$imgdata.'" alt="contact image" />';
                   }
                   // GIF images
                   elseif($type == 'gif')
                   {
                       $imgdata = 'data:image/gif;base64,'.$imgdata;
                       echo '<img src="'.$imgdata.'" alt="contact image" />';
                   }
                   // URLs (no type given)
                   elseif(preg_match( $pattern, $string ) == 1)
                   {
                       echo '<img src="'.$data['photo'].'" alt="contact image" />';
                   }
                   echo '</div>';
               }
               echo '<div class="plugin_davcard_popup_content">';
               $contactname = explode(';', $contactdata['structuredname']);
               if(count($contactname) > 1)
               {
                   $cardpattern = str_replace('<DCLASTNAME>', $contactname[0], $cardpattern);
                   $cardpattern = str_replace('<DCFIRSTNAME>', $contactname[1], $cardpattern);
               }
               if(count($contactdata['addr']) > 0)
               {
                   foreach($contactdata['addr'] as $data)
                   {
                       if(isset($data['type']) && ($data['type'] == 'work'))
                         $prefix = 'WORK';
                       else
                         $prefix = 'PRIVATE';
                       $cardpattern = str_replace('<DC'.$prefix.'STREET>', $data['address'][2], $cardpattern);
                       $cardpattern = str_replace('<DC'.$prefix.'CITY>', $data['address'][3], $cardpattern);
                       $cardpattern = str_replace('<DC'.$prefix.'ZIP>', $data['address'][5], $cardpattern);
                       $cardpattern = str_replace('<DC'.$prefix.'COUNTRY>', $data['address'][6], $cardpattern);
                   }
               }
               if(count($contactdata['tel']) > 0)
               {
                   $telArr = array();
                   foreach($contactdata['tel'] as $data)
                   {
                       if(isset($data['type']))
                         $type = $data['type'];
                       else
                         $type = 'other';
                       $type = $data['type'];
                       $telArr[] = $this->getLang('tel'.$type).': '.$data['number'];
                   }
                   $telStr = implode(' \\\\ ', $telArr);
                   $cardpattern = str_replace('<DCPHONE>', $telStr, $cardpattern);
               }
               if(count($contactdata['mail']) > 0)
               {
                   $mailArr = array();
                   foreach($contactdata['mail'] as $data)
                   {
                       $mailArr[] = '[['.$data['mail'].']]';
                   }
                   $mailStr = implode(' \\\\ ', $mailArr);
                   $cardpattern = str_replace('<DCEMAIL>', $mailStr, $cardpattern);
               }
               if($contactdata['birthday'] != '')
               {
                   $date = DateTime::createFromFormat('Ymd', $contactdata['birthday']);
                   $dateStr = $date->format($this->getConf('date_format'));
                   $cardpattern = str_replace('<DCBIRTHDAY>', $dateStr, $cardpattern);
               }
               if($contactdata['note'] != '')
               {
                   $notestr = str_replace('\n', ' \\ ', $contactdata['note']);
                   $cardpattern = str_replace('<DCNOTE>', $notestr, $cardpattern);
               }
               if($contactdata['title'] != '')
               {
                   $cardpattern = str_replace('<DCTITLE>', $contactdata['title'], $cardpattern);
               }
               if($contactdata['url'] != '')
               {
                   $url = $contactdata['url'];
                   if(strpos($url, '://') === false)
                     $url = 'http://'.$url;
                   $url = '[['.$url.']]';
                   $cardpattern = str_replace('<DCWEBSITE>', $url, $cardpattern);
               }
               
               $replace_match = '/^.*<DC.*>.*$(?:\r\n|\n)?/m';
               $cardpattern = preg_replace($replace_match, '', $cardpattern);
               echo $this->render_text($cardpattern);
               echo '</div>';
               echo '</div>';
               return;
           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);            
     }
  
 }