replace special chars in sitename with empty space

unity_webapp.js

@@ -15,9 +15,11 @@ function unityReady() {
 
 if (external && external.getUnityObject) {
   jQuery(window).load(function(){
+      // workaround as unity strips special chars from name:
+      var strippedname = Drupal.settings.unity_api.sitename.replace(/[^a-zA-Z0-9]/g,'');
       var Unity = external.getUnityObject(1.0);
       Unity.init({
-        name: Drupal.settings.unity_api.sitename,
+        name: strippedname,
         iconUrl: Drupal.settings.unity_api.favicon,
         onInit: unityReady,
         domain: Drupal.settings.unity_api.baseurl