diff -r 296c7d34d2ba -r ac320de33ec7 cms/app-client/app/services/player.js
--- a/cms/app-client/app/services/player.js	Thu Aug 04 17:59:38 2016 +0200
+++ b/cms/app-client/app/services/player.js	Fri Aug 05 14:55:45 2016 +0200
@@ -11,6 +11,14 @@
     progress: 0, // In Milliseconds
     reduce: false,
 
+    display: function(el) {
+         if(this.get('window') !== el) {
+            this.set('window', el);
+        } else {
+            this.set('window', '');
+        }
+    },
+
     init: function() {
         this.on('reset', Ember.run.bind(this, this.get('reset')));
     },