--- a/src/js/pop.js	Thu Jan 05 13:15:24 2012 +0100
+++ b/src/js/pop.js	Thu Jan 05 14:57:37 2012 +0100
@@ -25,8 +25,9 @@
     return;
 
   var d = IriSP.PopcornReplacement.msgPump[msg];
-  for(var entry in d) {
-    d[entry].call(window, params);
+  var i = 0;
+  for(var i = 0; i < d.length; i++) {
+    d[i].call(window, params);
   }
 
 };