diff --git a/src/node/db/API.js b/src/node/db/API.js
index 69a380c7f..edd130e2e 100644
--- a/src/node/db/API.js
+++ b/src/node/db/API.js
@@ -432,8 +432,8 @@ getChatHistory(padId, start, end), returns a part of or the whole chat-history o
 
 Example returns:
 
-{"code":0,"message":"ok","data":{"messages":[{"text":"foo","userId":"a.foo","time":1359199533759,"userName":"test"},
-                                             {"text":"bar","userId":"a.foo","time":1359199534622,"userName":"test"}]}}
+{"code":0,"message":"ok","data":{"messages":[{"text":"foo","authorID":"a.foo","time":1359199533759,"userName":"test"},
+                                             {"text":"bar","authorID":"a.foo","time":1359199534622,"userName":"test"}]}}
 
 {code: 1, message:"start is higher or equal to the current chatHead", data: null}
 
@@ -494,6 +494,33 @@ exports.getChatHistory = function(padID, start, end, callback)
   });
 }
 
+/**
+appendChatMessage(padID, text, authorID, time), creates a chat message for the pad id, time is a timestamp
+
+Example returns:
+
+{code: 0, message:"ok", data: null
+{code: 1, message:"padID does not exist", data: null}
+*/
+exports.appendChatMessage = function(padID, text, authorID, time, callback)
+{
+  //text is required
+  if(typeof text != "string")
+  {
+    callback(new customError("text is no string","apierror"));
+    return;
+  }
+
+  //get the pad
+  getPadSafe(padID, true, function(err, pad)
+  {
+    if(ERR(err, callback)) return;
+    
+    pad.appendChatMessage(text, authorID, parseInt(time));
+    callback();
+  });
+}
+
 /*****************/
 /**PAD FUNCTIONS */
 /*****************/
diff --git a/src/node/handler/APIHandler.js b/src/node/handler/APIHandler.js
index 232b0b466..b4d242011 100644
--- a/src/node/handler/APIHandler.js
+++ b/src/node/handler/APIHandler.js
@@ -394,10 +394,60 @@ var version =
   , "getChatHead"               : ["padID"]
   , "restoreRevision"           : ["padID", "rev"]
   }
+, "1.2.12":
+  { "createGroup"               : []
+  , "createGroupIfNotExistsFor" : ["groupMapper"]
+  , "deleteGroup"               : ["groupID"]
+  , "listPads"                  : ["groupID"]
+  , "listAllPads"               : []
+  , "createDiffHTML"            : ["padID", "startRev", "endRev"]
+  , "createPad"                 : ["padID", "text"]
+  , "createGroupPad"            : ["groupID", "padName", "text"]
+  , "createAuthor"              : ["name"]
+  , "createAuthorIfNotExistsFor": ["authorMapper" , "name"]
+  , "listPadsOfAuthor"          : ["authorID"]
+  , "createSession"             : ["groupID", "authorID", "validUntil"]
+  , "deleteSession"             : ["sessionID"]
+  , "getSessionInfo"            : ["sessionID"]
+  , "listSessionsOfGroup"       : ["groupID"]
+  , "listSessionsOfAuthor"      : ["authorID"]
+  , "getText"                   : ["padID", "rev"]
+  , "setText"                   : ["padID", "text"]
+  , "getHTML"                   : ["padID", "rev"]
+  , "setHTML"                   : ["padID", "html"]
+  , "getAttributePool"          : ["padID"]
+  , "getRevisionsCount"         : ["padID"]
+  , "getSavedRevisionsCount"    : ["padID"]
+  , "listSavedRevisions"        : ["padID"]
+  , "saveRevision"              : ["padID", "rev"]
+  , "getRevisionChangeset"      : ["padID", "rev"]
+  , "getLastEdited"             : ["padID"]
+  , "deletePad"                 : ["padID"]
+  , "copyPad"                   : ["sourceID", "destinationID", "force"]
+  , "movePad"                   : ["sourceID", "destinationID", "force"]
+  , "getReadOnlyID"             : ["padID"]
+  , "getPadID"                  : ["roID"]
+  , "setPublicStatus"           : ["padID", "publicStatus"]
+  , "getPublicStatus"           : ["padID"]
+  , "setPassword"               : ["padID", "password"]
+  , "isPasswordProtected"       : ["padID"]
+  , "listAuthorsOfPad"          : ["padID"]
+  , "padUsersCount"             : ["padID"]
+  , "getAuthorName"             : ["authorID"]
+  , "padUsers"                  : ["padID"]
+  , "sendClientsMessage"        : ["padID", "msg"]
+  , "listAllGroups"             : []
+  , "checkToken"                : []
+  , "appendChatMessage"         : ["padID", "text", "authorID", "time"]
+  , "getChatHistory"            : ["padID"]
+  , "getChatHistory"            : ["padID", "start", "end"]
+  , "getChatHead"               : ["padID"]
+  , "restoreRevision"           : ["padID", "rev"]
+  }
 };
 
 // set the latest available API version here
-exports.latestApiVersion = '1.2.11';
+exports.latestApiVersion = '1.2.12';
 
 // exports the versions so it can be used by the new Swagger endpoint
 exports.version = version;
diff --git a/src/node/hooks/express/swagger.js b/src/node/hooks/express/swagger.js
index b9308dee0..f606eb882 100644
--- a/src/node/hooks/express/swagger.js
+++ b/src/node/hooks/express/swagger.js
@@ -284,6 +284,10 @@ var API = {
         }
       },
       "response": {"chatHead":{"type":"Message"}}
+    },
+    "appendChatMessage": {
+      "func": "appendChatMessage",
+      "description": "appends a chat message"
     }
   }
 };
diff --git a/src/static/js/timeslider.js b/src/static/js/timeslider.js
index ec237df5e..580a7a03d 100644
--- a/src/static/js/timeslider.js
+++ b/src/static/js/timeslider.js
@@ -157,6 +157,12 @@ function handleClientVars(message)
     fireWhenAllScriptsAreLoaded[i]();
   }
   $("#ui-slider-handle").css('left', $("#ui-slider-bar").width() - 2);
+
+  // Translate some strings where we only want to set the title not the actual values
+  $('#playpause_button_icon').attr("title", html10n.get("timeslider.playPause"));
+  $('#leftstep').attr("title", html10n.get("timeslider.backRevision"));
+  $('#rightstep').attr("title", html10n.get("timeslider.forwardRevision"));
+
 }
 
 exports.baseURL = '';
diff --git a/src/templates/timeslider.html b/src/templates/timeslider.html
index 45d7832d1..20688ea8a 100644
--- a/src/templates/timeslider.html
+++ b/src/templates/timeslider.html
@@ -61,11 +61,11 @@
             <div id="ui-slider-bar"></div>
           </div>
           <div id="playpause_button">
-            <button id="playpause_button_icon" class="" data-l10n-id="timeslider.playPause"></button>
+            <button id="playpause_button_icon" class=""></button>
           </div>
           <div id="steppers">
-            <button class="stepper" id="leftstep" data-l10n-id="timeslider.backRevision"></button>
-            <button class="stepper" id="rightstep" data-l10n-id="timeslider.forwardRevision"></button>
+            <button class="stepper" id="leftstep"></button>
+            <button class="stepper" id="rightstep"></button>
           </div>
         </div>
         
diff --git a/tests/backend/specs/api/chat.js b/tests/backend/specs/api/chat.js
new file mode 100644
index 000000000..59b7edc0a
--- /dev/null
+++ b/tests/backend/specs/api/chat.js
@@ -0,0 +1,113 @@
+var assert = require('assert')
+ supertest = require(__dirname+'/../../../../src/node_modules/supertest'),
+        fs = require('fs'),
+       api = supertest('http://localhost:9001');
+      path = require('path');
+
+var filePath = path.join(__dirname, '../../../../APIKEY.txt');
+
+var apiKey = fs.readFileSync(filePath,  {encoding: 'utf-8'});
+apiKey = apiKey.replace(/\n$/, "");
+var apiVersion = 1;
+var authorID = "";
+var padID = makeid();
+var timestamp = Date.now();
+
+describe('API Versioning', function(){
+  it('errors if can not connect', function(done) {
+    api.get('/api/')
+    .expect(function(res){
+      apiVersion = res.body.currentVersion;
+      if (!res.body.currentVersion) throw new Error("No version set in API");
+      return;
+    })
+    .expect(200, done)
+  });
+})
+
+// BEGIN GROUP AND AUTHOR TESTS
+/////////////////////////////////////
+/////////////////////////////////////
+
+/* Tests performed
+-> createPad(padID)
+ -> createAuthor([name]) -- should return an authorID
+  -> appendChatMessage(padID, text, authorID, time)
+   -> getChatHead(padID)
+    -> getChatHistory(padID)
+*/
+
+describe('createPad', function(){
+  it('creates a new Pad', function(done) {
+    api.get(endPoint('createPad')+"&padID="+padID)
+    .expect(function(res){
+      if(res.body.code !== 0) throw new Error("Unable to create new Pad");
+    })
+    .expect('Content-Type', /json/)
+    .expect(200, done)
+  });
+})
+
+describe('createAuthor', function(){
+  it('Creates an author with a name set', function(done) {
+    api.get(endPoint('createAuthor'))
+    .expect(function(res){
+      if(res.body.code !== 0 || !res.body.data.authorID) throw new Error("Unable to create author");
+      authorID = res.body.data.authorID; // we will be this author for the rest of the tests
+    })
+    .expect('Content-Type', /json/)
+    .expect(200, done)
+  });
+})
+
+describe('appendChatMessage', function(){
+  it('Adds a chat message to the pad', function(done) {
+    api.get(endPoint('appendChatMessage')+"&padID="+padID+"&text=blalblalbha&authorID="+authorID+"&time="+timestamp)
+    .expect(function(res){
+      if(res.body.code !== 0) throw new Error("Unable to create chat message");
+    })
+    .expect('Content-Type', /json/)
+    .expect(200, done)
+  });
+})
+
+
+describe('getChatHead', function(){
+  it('Gets the head of chat', function(done) {
+    api.get(endPoint('getChatHead')+"&padID="+padID)
+    .expect(function(res){
+      if(res.body.data.chatHead !== 0) throw new Error("Chat Head Length is wrong");
+
+      if(res.body.code !== 0) throw new Error("Unable to get chat head");
+    })
+    .expect('Content-Type', /json/)
+    .expect(200, done)
+  });
+})
+
+describe('getChatHistory', function(){
+  it('Gets Chat History of a Pad', function(done) {
+    api.get(endPoint('getChatHistory')+"&padID="+padID)
+    .expect(function(res){
+      if(res.body.data.messages.length !== 1) throw new Error("Chat History Length is wrong");
+      if(res.body.code !== 0) throw new Error("Unable to get chat history");
+    })
+    .expect('Content-Type', /json/)
+    .expect(200, done)
+  });
+})
+
+var endPoint = function(point){
+  return '/api/'+apiVersion+'/'+point+'?apikey='+apiKey;
+}
+
+function makeid()
+{
+  var text = "";
+  var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+  for( var i=0; i < 5; i++ ){
+    text += possible.charAt(Math.floor(Math.random() * possible.length));
+  }
+  return text;
+}