diff --git a/frontend/src/lib/event-manager/event-manager.js b/frontend/src/lib/event-manager/event-manager.js
index f0959d66e..a091445d5 100644
--- a/frontend/src/lib/event-manager/event-manager.js
+++ b/frontend/src/lib/event-manager/event-manager.js
@@ -15,10 +15,12 @@ export const EVENT_TYPE = {
 
 export class EventManager {
     _registeredListeners;
+    _mutationObservers;
 
 
     constructor() {
         this._registeredListeners = [];
+        this._mutationObservers = [];
     }
 
     registerNewListener(eventWrapper) {
@@ -28,6 +30,12 @@ export class EventManager {
         this._registeredListeners.push(eventWrapper);
     }
 
+    registerNewMutationObserver(callback, domNode, config) {
+        let observer = new MutationObserver(callback);
+        observer.observe(domNode, config);
+        this._muatationObservers.add(observer);
+    }
+
     removeAllEventListenersFromUtil() {
         this._debugLog('removeAllEventListenersFromUtil',);
         for (let eventWrapper of this._registeredListeners) {
@@ -37,6 +45,10 @@ export class EventManager {
         this._registeredListeners = [];        
     }
 
+    removeAllObserversFromUtil() {
+        this._mutationObservers.forEach((observer) => observer.disconnect());
+    }
+
 
     //Todo: Uncomment debug log!
     //_debugLog() {}