1 files changed, 17 insertions, 3 deletions
diff --git a/data/rhlib/rhbzpage.js b/data/rhlib/rhbzpage.js
index a943eee..7060a37 100644
--- a/data/rhlib/rhbzpage.js
+++ b/data/rhlib/rhbzpage.js
@@ -56,7 +56,8 @@ var ProfessionalProducts = [
 
 var btSnippet = null;
 
-function RHOnMessageHandler(msg) {
+
+function RHOnMessageHandler(msg, nextHandler) {
   switch (msg.cmd) {
   case "Error":
     alert("Error " + msg.data);
@@ -77,7 +78,15 @@ function RHOnMessageHandler(msg) {
     queryUpstreamCallback(msg.data, constantData.queryUpstreamBug);
     break;
   default:
-    console.error("Error: unknown RPC call " + msg.toSource());
+    if (nextHandler) {
+      var nextHandler = nextHandlerList.splice(0, 1);
+      if (nextHandler[0]) {
+        nextHandler[0](msg, nextHandlerList);
+      }
+    }
+    else {
+      console.error("Error: unknown RPC call " + msg.toSource());
+    }
   break;
   }
 }
@@ -136,7 +145,12 @@ function RHcentralCommandDispatch(cmdLabel, cmdParams) {
     break;
     // If we don't have it here, call superclass method
   default:
-    console.error("Unknown command:\n" + cmdLabel + "\nparameters:\n" + cmdParams);
+    if (MozCentralCommandDispatch) {
+      MozCentralCommandDispatch(cmdLabel, cmdParams);
+    }
+    else {
+      console.error("Unknown command:\n" + cmdLabel + "\nparameters:\n" + cmdParams);
+    }
   break;
   }
 }