diff --git a/admin/scripts/autocomplete.js b/admin/scripts/autocomplete.js
index 2e28d07..9154ad7 100644
--- a/admin/scripts/autocomplete.js
+++ b/admin/scripts/autocomplete.js
@@ -309,7 +309,8 @@ DAV.ACDB.prototype.search = function (searchString) {
         }
       },
       error: function (xmlhttp) {
-        alert('An HTTP error '+ xmlhttp.status +' occured.\n'+ db.uri);
+          alert(intl.translate("A HTTP error %s occured.\n%s",
+                               [xmlhttp.status, db.uri]));
       }
     });
   }, this.delay);
diff --git a/admin/scripts/directories.js b/admin/scripts/directories.js
index 76d6800..09b2a62 100644
--- a/admin/scripts/directories.js
+++ b/admin/scripts/directories.js
@@ -25,18 +25,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301 USA.
  */
-function handleerror(xmldata) {
-    if ($('error', xmldata).size()) {
-        var msg = intl.translate('An error occured:\n');
-        $('error', xmldata).find('errormsg').each(function(i) {
-            msg += $(this).text();
-        });
-        alert(msg);
-        return true;
-    }
-    return false;
-    $('#content').show();
-}
 
 function updateDirectories(xmldata) {
     var dirname = $('dirname', xmldata).text();
@@ -74,7 +62,7 @@ function updateDirectories(xmldata) {
 }
 
 function getDirectoryForm(title, dirname, groups) {
-    return '<form action="#" id="dirform"><fieldset class="dynaform"><legend><img id="closer" src="images/x.png" width="16" height="16" alt="Schließen" /> ' + title + '</legend><div class="formelement"><label for="dirname">Verzeichnisname:</label><input type="text" name="dirname" id="input-dirname" value="' + dirname + '" /></div><div class="formelement"><label for="groups">Gruppen:</label><input type="text" name="groups" class="form-autocomplete" id="input-groups" value="' + groups + '" /><input type="hidden" class="autocomplete" id="input-groups-autocomplete" value="getgroups.php" /></div><div class="formactions"><input type="submit" name="submit" value="Absenden" /></div></div></fieldset></form>';
+    return '<form action="#" id="dirform"><fieldset class="dynaform"><legend><img id="closer" src="images/x.png" width="16" height="16" alt="' + intl.translate("close") + '" /> ' + title + '</legend><div class="formelement"><label for="dirname">' + intl.translate("Directory name:") + '</label><input type="text" name="dirname" id="input-dirname" value="' + dirname + '" /></div><div class="formelement"><label for="groups">' + intl.translate("Groups:") + '</label><input type="text" name="groups" class="form-autocomplete" id="input-groups" value="' + groups + '" /><input type="hidden" class="autocomplete" id="input-groups-autocomplete" value="getgroups.php" /></div><div class="formactions"><input type="submit" name="submit" value="' + intl.translate("Submit") + '" /></div></div></fieldset></form>';
 }
 
 function displaydirectoryeditor(title, dirname, groups) {
@@ -89,7 +77,7 @@ function displaydirectoryeditor(title, dirname, groups) {
     });
     $('#dirform').submit(function() {
         if (!this.dirname.value.match(/^[a-zA-Z0-9 -_.]+$/)) {
-            alert("Ungültiger Verzeichnisname.");
+            alert(intl.translate("Invalid directory name."));
             this.dirname.focus();
             return false;
         }
@@ -119,20 +107,20 @@ function editdirectory(dirname) {
                 var dirname, groups;
                 dirname = $("dirname:first", retval).text();
                 groups = $("groups:first", retval).text();
-                displaydirectoryeditor("Verzeichnisdaten bearbeiten",
+                displaydirectoryeditor(intl.translate("Edit directory data"),
                                        dirname, groups);
             }
         });
 }
 
 function newdirectory() {
-    displaydirectoryeditor('Neues Verzeichnis anlegen', '', '');
+    displaydirectoryeditor(intl.translate("Create new directory"), '', '');
 }
 
 function deletedirectorydialog(dirname) {
     $("#direditor").hide().empty();
-    var msg = 'Soll das Verzeichnis ' + dirname +
-        ' wirklich gelöscht werden?';
+    var msg = intl.translate("Should the directory %s really get deleted?",
+        [dirname]);
     if (confirm(msg) == true) {
         $.post(
             "directories.php",
diff --git a/admin/scripts/helper.js b/admin/scripts/helper.js
index ef88ab2..81b922d 100644
--- a/admin/scripts/helper.js
+++ b/admin/scripts/helper.js
@@ -49,3 +49,16 @@ DAV.encodeURIComponent = function (item, uri) {
   item = encodeURIComponent(item).replace('%2F', '/');
   return uri.indexOf('?q=') ? item : item.replace('%26', '%2526').replace('%23', '%2523');
 };
+
+function handleerror(xmldata) {
+    if ($('error', xmldata).size()) {
+        var msg = intl.translate("An error occured:\n");
+        $('error', xmldata).find('errormsg').each(function(i) {
+            msg += $(this).text();
+        });
+        alert(msg);
+        return true;
+    }
+    return false;
+    $('#content').show();
+}
diff --git a/admin/scripts/users.js b/admin/scripts/users.js
index fe8daa6..18e5d5c 100644
--- a/admin/scripts/users.js
+++ b/admin/scripts/users.js
@@ -25,18 +25,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301 USA.
  */
-function handleerror(xmldata) {
-    if ($('error', xmldata).size()) {
-        var msg = 'Es ist ein Fehler aufgetreten:\n';
-        $('error', xmldata).find('errormsg').each(function(i) {
-            msg += $(this).text();
-        });
-        alert(msg);
-        $('#content').show();
-        return true;
-    }
-    return false;
-}
 
 function updateusers(xmldata) {
     var uid = $(xmldata).find('uid').text();
@@ -44,9 +32,9 @@ function updateusers(xmldata) {
     var firstname = $(xmldata).find('firstname').text();
     var lastname = $(xmldata).find('lastname').text();
     var loggedin = $(xmldata).find('loggedin').text();
-    var htmltext = '<td>' + username + '</td><td>' + lastname + ', ' + firstname + '</td><td><a id="edit' + uid + '" class="editlink" href="#" title="Die Daten dieses Nutzers bearbeiten"><img class="actionicon" src="images/edit.png" width="16" height="16" alt="bearbeiten"/></a>';
+    var htmltext = '<td>' + username + '</td><td>' + lastname + ', ' + firstname + '</td><td><a id="edit' + uid + '" class="editlink" href="#" title="' + intl.translate("Edit this user's data.") + '"><img class="actionicon" src="images/edit.png" width="16" height="16" alt="' + intl.translate("edit") + '"/></a>';
     if (loggedin == '0') {
-        htmltext = htmltext + '<a id="delete' + uid + '" class="deletelink" href="#" title="Die Daten dieses Nutzers löschen"><img class="actionicon" src="images/delete.png" width="16" height="16" alt="löschen" /></a>';
+        htmltext = htmltext + '<a id="delete' + uid + '" class="deletelink" href="#" title="' + intl.translate("Delete this user's data.") + '"><img class="actionicon" src="images/delete.png" width="16" height="16" alt="' + intl.translate("delete") + '" /></a>';
     }
     htmltext = htmltext + '</td>';
     $('#usertable').find('tr#uid' + uid).empty().append(htmltext);
@@ -76,11 +64,11 @@ function updateusers(xmldata) {
 
 function getEditUserForm(title, username, firstname, lastname, groups, userid) {
     var retval;
-    retval = '<form action="#" id="userform"><fieldset class="dynaform"><legend><img id="closer" src="images/x.png" width="16" height="16" alt="Schließen" /> ' + title + '</legend><div class="formelement"><label for="input-username">Nutzername:</label><input id="input-username" type="text" name="username" value="' + username + '" ';
+    retval = '<form action="#" id="userform"><fieldset class="dynaform"><legend><img id="closer" src="images/x.png" width="16" height="16" alt="' + intl.translate("close") + '" /> ' + title + '</legend><div class="formelement"><label for="input-username">' + intl.translate("User name:") + '</label><input id="input-username" type="text" name="username" value="' + username + '" ';
     if (userid != null) {
         retval = retval + ' readonly="readonly"';
     }
-    retval = retval + '/></div><div class="formelement"><label for="input-firstname">Vorname:</label><input id="input-firstname" type="text" name="firstname" value="' + firstname + '" /></div><div class="formelement"><label for="input-lastname">Nachname:</label><input id="input-lastname" type="text" name="lastname" value="' + lastname + '" /></div><div class="formelement"><label for="pwd1">Passwort:</label><input type="password" name="pwd1" /></div><div class="formelement"><label for="pwd2">Wiederholung:</label><input type="password" name="pwd2" /></div><div class="formelement"><label for="groups">Gruppen:</label><input type="text" name="groups" class="form-autocomplete" id="input-groups" value="' + groups + '" /><input type="hidden" class="autocomplete" id="input-groups-autocomplete" value="getgroups.php" /></div><div class="formactions"><input type="submit" name="submit" value="Absenden" /></div></fieldset></form>';
+    retval = retval + '/></div><div class="formelement"><label for="input-firstname">' + intl.translate("First name:") + '</label><input id="input-firstname" type="text" name="firstname" value="' + firstname + '" /></div><div class="formelement"><label for="input-lastname">' + intl.translate("Last name:") + '</label><input id="input-lastname" type="text" name="lastname" value="' + lastname + '" /></div><div class="formelement"><label for="pwd1">' + intl.translate("Password:") + '</label><input type="password" name="pwd1" /></div><div class="formelement"><label for="pwd2">' + intl.translate("Confirmation:") + '</label><input type="password" name="pwd2" /></div><div class="formelement"><label for="groups">' + intl.translate("Groups:") + '</label><input type="text" name="groups" class="form-autocomplete" id="input-groups" value="' + groups + '" /><input type="hidden" class="autocomplete" id="input-groups-autocomplete" value="getgroups.php" /></div><div class="formactions"><input type="submit" name="submit" value="' + intl.translate("Submit") + '" /></div></fieldset></form>';
     return retval;
 }
 
@@ -97,25 +85,25 @@ function displayusereditor(title, userid, username, firstname, lastname, groups)
         var params;
         if (userid == null) {
             if (!this.username.value.match(/^[a-zA-Z0-9]{2,}$/)) {
-                alert('Der Nutzername muss aus mindestens 2 Buchstaben oder Ziffern bestehen und darf keine sonstigen Zeichen enthalten.');
+                alert(intl.translate("The user name must consist of at least 2 letters or digits and no other characters!"));
                 this.username.focus();
                 return false;
             }
         }
         if (userid == null || this.pwd1.value.length > 0) {
             if (this.pwd1.value.length < 8) {
-                alert('Das Passwort muss mindestens 8 Zeichen lang sein!');
+                alert(intl.translate("The password must have a lenght of at least 8 characters!"));
                 this.pwd1.focus();
                 return false;
             }
             if (this.pwd1.value != this.pwd2.value) {
-                alert('Passwort und Wiederholung müssen übereinstimmen!');
+                alert(intl.translate("Password and confirmation have to match!"));
                 this.pwd2.focus();
                 return false;
             }
         }
         if (!this.groups.value.match(/^([0-9a-zA-z]+[,\s]*)+$/)) {
-            alert('Die Gruppenangabe muss eine durch Kommata getrennte Liste von Gruppennamen, die aus Buchstaben und Ziffern zusammengesetzt sein können, sein.');
+            alert(intl.translate("The groups field has to be a comma separated list of group names which must consist of letters or digits!"));
             this.groups.focus();
             return false;
         }
@@ -149,8 +137,7 @@ function displayusereditor(title, userid, username, firstname, lastname, groups)
 
 function deleteuserdialog(userid, username, firstname, lastname) {
     $("#usereditor").hide().empty();
-    var msg = 'Soll der Nutzer ' + firstname + ' ' + lastname +
-        ' mit dem Login ' + username + ' wirklich gelöscht werden?';
+    var msg = intl.translate("Should the user %s %s with the user name %s really get deleted?", [firstname, lastname, username]);
     if (confirm(msg) == true) {
         $.post(
             "users.php",
@@ -193,14 +180,15 @@ function edituser(userid) {
                 lastname = $("lastname:first", retval).text();
                 firstname = $("firstname:first", retval).text();
                 groups = $("groups:first", retval).text();
-                displayusereditor('Nutzerdaten bearbeiten', userid, username,
-                                  firstname, lastname, groups);
+                displayusereditor(intl.translate("Edit user data"),
+                                  userid, username, firstname, lastname,
+                                  groups);
             }
         });
 }
 
 function newuser() {
-    displayusereditor('Neuen Nutzer anlegen', null, '', '', '', '');
+    displayusereditor(intl.translate("Create new user"), null, '', '', '', '');
 }
 
 $(function() {