diff --git a/.gitignore b/.gitignore
index 953d1a5..493397e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ application/config/config.php
 application/config/database.php
 application/logs/*
 uploads/*
+*.mo
diff --git a/application/controllers/users.php b/application/controllers/users.php
index e5acb80..c710934 100644
--- a/application/controllers/users.php
+++ b/application/controllers/users.php
@@ -67,7 +67,7 @@ class Users extends MY_Controller {
 			array(
 				'field' => 'phone',
 				'label' => 'lang:field_phone',
-				'rules' => 'trim|regex_match[/^\+\d{2,4}\w\d{2,4}\w\d{3,10}+$/i]',
+				'rules' => 'trim|regex_match[/^\+\d{2,4}\s\d{2,4}\s\d{3,10}+$/i]',
 			)
 		);
 		$this->form_validation->set_rules($config);
@@ -127,7 +127,7 @@ class Users extends MY_Controller {
 			array(
 				'field' => 'phone',
 				'label' => 'lang:field_phone',
-				//'rules' => 'trim|regex_match[/^\+\d{2,4}\w\d{2,4}\w\d{3,10}+$/i]',
+				'rules' => 'trim|regex_match[/^\+\d{2,4}\s\d{2,4}\s\d{3,10}+$/i]',
 			)
 		);
 		$this->form_validation->set_rules($config);
@@ -156,12 +156,14 @@ class Users extends MY_Controller {
 	 * @param integer $id
 	 */
 	public function delete($id = '') {
-		if (!is_array($this->user->getUserByID())) {
-			show_404();
-		}
+		$user = $this->user->getUserByID($id);
 
-		$this->user->delete($id);
-		$this->messages->add('The selected user was deleted', 'success');
-		redirect('users', 200);
+		if (!isset($user) || !is_array($user) || !isset($user['id'])) {
+			show_404();
+		} else {
+			$this->user->delete($user['id']);
+			$this->messages->add('The selected user was deleted', 'success');
+			redirect('users', 200);
+		}
 	}
 }
\ No newline at end of file
diff --git a/application/core/MY_Lang.php b/application/core/MY_Lang.php
index bede557..5716079 100644
--- a/application/core/MY_Lang.php
+++ b/application/core/MY_Lang.php
@@ -7,11 +7,68 @@
  */
 class MY_Lang extends CI_Lang {
 
+	var $_gettext_language;
+	var $_gettext_domain;
+	var $_gettext_path;
+
 	/**
 	 * Calls the parent constructor.
 	 */
 	public function __construct() {
 		parent::__construct();
+		$this->_gettext_domain = 'lang';
+		log_message('debug', "Gettext Class Initialized");
+
+		$this->load_gettext();
+	}
+
+	/**
+	 * This method overides the original load method. It's duty is loading the
+	 * domain files by config or by default internal settings.
+	 *
+	 * @param string $user_lang
+	 */
+	public function load_gettext($user_lang = false) {
+		if ($user_lang) {
+			$this->_gettext_language = $user_lang;
+		} else {
+			$this->_gettext_language = 'en_US';
+		}
+		log_message('debug', 'The gettext language was set by parameter: ' . $this->_gettext_language);
+
+		putenv("LC_ALL=$this->_gettext_language");
+		setlocale(LC_ALL, $this->_gettext_language . ".utf8");
+
+		// set the path of .po files
+		$this->_gettext_path = APPPATH . 'language/locale';
+		log_message('debug', 'Gettext Class path chosen is: ' . $this->_gettext_path);
+
+		$filename = $this->_gettext_path . '/' . $this->_gettext_language . '/LC_MESSAGES/' . $this->_gettext_domain . '.mo';
+		$mtime = filemtime($filename);
+
+		$newFilename = $this->_gettext_path . '/' . $this->_gettext_language . '/LC_MESSAGES/' . $this->_gettext_domain . '_' . $mtime . '.mo';
+
+		if (!file_exists($newFilename)) {
+			$dir = scandir(dirname($filename));
+			foreach ($dir as $file) {
+				// remove all the old files
+				if (!in_array($file, array('.', '..', $this->_gettext_domain . '.po', $this->_gettext_domain . '.mo'))) {
+					@unlink(dirname($filename) . '/' . $file);
+				}
+			}
+
+			@copy($filename, $newFilename);
+		}
+
+		$newDomain = $this->_gettext_domain . '_' . $mtime;
+
+		bindtextdomain($newDomain, $this->_gettext_path);
+		bind_textdomain_codeset($newDomain, "UTF-8");
+		textdomain($newDomain);
+
+		log_message('debug', 'The gettext domain chosen is: '. $this->_gettext_domain);
+
+		return true;
 	}
 
 	/**
@@ -79,4 +136,7 @@ class MY_Lang extends CI_Lang {
 		log_message('debug', 'Language file loaded: language/' . $idiom . '/' . $langfile);
 		return true;
 	}
-}
\ No newline at end of file
+}
+
+/* End of file MY_Lang.php */
+/* Location: ./application/libraries/MY_Lang.php */
diff --git a/application/language/locale/de_DE/LC_MESSAGES/lang.po b/application/language/locale/de_DE/LC_MESSAGES/lang.po
new file mode 100644
index 0000000..6584152
--- /dev/null
+++ b/application/language/locale/de_DE/LC_MESSAGES/lang.po
@@ -0,0 +1,74 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2011-08-10 21:25+0200\n"
+"PO-Revision-Date: 2011-08-10 22:00+0200\n"
+"Last-Translator: Karsten Heiken <karsten@disposed.de>\n"
+"Language-Team: German <>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "Users"
+msgstr "Benutzer"
+
+msgid "Available users"
+msgstr "Alle verfügbaren Benutzer"
+
+msgid "Username"
+msgstr "Benutzername"
+
+msgid "Full name"
+msgstr "Vollständiger Name"
+
+msgid "Actions"
+msgstr "Aktionen"
+
+msgid "Edit"
+msgstr "Bearbeiten"
+
+msgid "Delete"
+msgstr "Löschen"
+
+msgid "Create new user"
+msgstr "Neuen Benutzer erstellen"
+
+msgid "Edit user '%s'"
+msgstr "Benutzer »%s« bearbeiten"
+
+msgid "Required information"
+msgstr "Erforderliche Angaben"
+
+msgid "Optional information"
+msgstr "Optionale Angaben"
+
+msgid "Email address"
+msgstr "E-Mail-Adresse"
+
+msgid "First name"
+msgstr "Vorname"
+
+msgid "Last name"
+msgstr "Nachname"
+
+msgid "Institution"
+msgstr "Institution"
+
+msgid "Phone number"
+msgstr "Telefonnummer"
+
+msgid "Language"
+msgstr "Sprache"
+
+msgid "Example"
+msgstr "Beispiel"
+
+msgid "Save"
+msgstr "Speichern"
+
+msgid "Cancel"
+msgstr "Abbrechen"
+
diff --git a/application/language/locale/en_US/LC_MESSAGES/lang.po b/application/language/locale/en_US/LC_MESSAGES/lang.po
new file mode 100644
index 0000000..cba01f1
--- /dev/null
+++ b/application/language/locale/en_US/LC_MESSAGES/lang.po
@@ -0,0 +1,67 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2011-08-10 21:25+0200\n"
+"PO-Revision-Date: 2011-08-10 22:00+0200\n"
+"Last-Translator: Karsten Heiken <karsten@disposed.de>\n"
+"Language-Team: English <>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+msgid "users"
+msgstr "Users"
+
+msgid "available_users"
+msgstr "Available users"
+
+msgid "username"
+msgstr "Username"
+
+msgid "realname"
+msgstr "Name"
+
+msgid "options"
+msgstr "Options"
+
+msgid "user_edit"
+msgstr "Edit"
+
+msgid "user_create"
+msgstr "Create new user"
+
+msgid "user_delete"
+msgstr "Delete"
+
+msgid "create_user"
+msgstr "Create a new user"
+
+msgid "edit_user"
+msgstr "Edit user"
+
+msgid "field_username"
+msgstr "Username"
+
+msgid "field_password"
+msgstr "Password"
+
+msgid "field_password_confirm"
+msgstr "Confirm password"
+
+msgid "field_firstname"
+msgstr "First name"
+
+msgid "field_lastname"
+msgstr "Last name"
+
+msgid "field_email"
+msgstr "Email address"
+
+msgid "field_institution"
+msgstr "Institution"
+
+msgid "field_phone"
+msgstr "Phone number"
diff --git a/application/views/admin/users/index.php b/application/views/admin/users/index.php
index 50ee331..9857848 100644
--- a/application/views/admin/users/index.php
+++ b/application/views/admin/users/index.php
@@ -3,7 +3,7 @@
 <div id="content">
 
 	<div class="title">
-		<h2><?=lang('users');?></h2>
+		<h2><?=_('users');?></h2>
 	</div>
 
 	<div class="box">
@@ -17,15 +17,15 @@
 				</tr>
 			</thead>
 <?php
-foreach ($users as $user):
+	foreach ($users as $user):
 ?>
 				<tr>
 					<td><?=$user['username'];?></td>
 					<td><?=$user['firstname'];?> <?=$user['lastname'];?></td>
-					<td><?=anchor('users/edit/' . $user['id'], lang('user_edit'));?> | <?=anchor('users/delete/' . $user['id'], lang('user_delete'));?></td>
+					<td><?=anchor('users/edit/' . $user['id'], lang('user_edit'));?> | <a href="javascript:deleteConfirm('<?=site_url('users/delete/' . $user['id']);?>');"><?=lang('user_delete');?></a></td>
 				</tr>
 <?php
-endforeach;
+	endforeach;
 ?>
 			<tbody>
 			</tbody>
diff --git a/application/views/header.php b/application/views/header.php
index d246b99..c64c76e 100644
--- a/application/views/header.php
+++ b/application/views/header.php
@@ -59,17 +59,6 @@
 						<li><a href="<?=site_url('projects/create')?>" title="Neues Projekt anlegen">Neues Projekt</a></li>
 					</ul>
 				</li>
-<?
-	if($this->session->userdata('group') == 'admins'):
-?>
-				<li>Administration
-					<ul>
-						<li><a href="<?=site_url('admin/servers')?>" title="Berechnungsserver verwalten">Berechnungsserver</a></li>
-					</ul>
-				</li>
-<?
-	endif;
-?>
 			</ul>
 		</div>
 
diff --git a/assets/js/scattport.js b/assets/js/scattport.js
index 04f7cff..9b09d82 100644
--- a/assets/js/scattport.js
+++ b/assets/js/scattport.js
@@ -1,5 +1,5 @@
 /**
- *
+ * Gets the queued notifications.
  */
 function getNotifications() {
 	$.get(SITE_URL + 'ajax/get_notifications', function(data) {
@@ -9,6 +9,19 @@ function getNotifications() {
 	});
 }
 
+/**
+ * Asks the user if he is sure to delete an item.
+ *
+ * @param url
+ */
+function deleteConfirm(url) {
+	var answer = confirm('Are you sure?');
+
+	if (answer) {
+		window.location = url;
+	}
+}
+
 /**
  * Saves the changes done by in-place edit.
  *