--- a/cms/app-client/app/controllers/application.js	Wed Jun 15 09:50:56 2016 +0200
+++ b/cms/app-client/app/controllers/application.js	Wed Jun 15 11:10:20 2016 +0200
@@ -33,7 +33,7 @@
         if (this.get('currentId') === null){
             return null;
         }
-        Ember.$("#"+this.get('currentId').replace( /(:|\.|\[|\]|,)/g, "\\$1" )).toggleClass("playing", true);
+        Ember.$("div[id='" + this.get('currentId') + "']").toggleClass("playing", true);
         return this.store.findRecord('document', this.get('currentId'));
     }),