diff --git a/node/public/js/app.js b/node/public/js/app.js
index bad3237..dee81b3 100644
--- a/node/public/js/app.js
+++ b/node/public/js/app.js
@@ -1,6 +1,7 @@
 'use strict';
 
 var gpower;
+var laststate;
 
 angular.module('roomstateapp.controllers', []).
     controller('StatusCtrl', function ($scope, $http, Socket) {
@@ -20,6 +21,7 @@ angular.module('roomstateapp.controllers', []).
 
         Socket.on('sdata', function(message) {
             console.log("received data from server: " + message.data.names);
+	    stateNotification(message.data.state);
             $scope.simple = message.data;
             gpower.refresh(message.data.power);
         });
@@ -82,3 +84,15 @@ gpower = new JustGage({
     });
 
 });
+
+function stateNotification(state) {
+	if (state == true && laststate != true && laststate != null) {
+		laststate = true;
+		showNotification("CTDO - Status", "Der Chaostreff ist nun offen.", "/img/green.png", 4);
+	} else if (state == false && laststate != false && laststate != null) {
+		laststate = false;
+		showNotification("CTDO - Staus", "Der Chaostreff ist nun geschlossen", "/img/red.png", 4);
+	} else {
+	laststate = state;
+	}
+}