delay timeout error to avoid it on page unload

static/js/pandora/errorDialog.js

@@ -48,7 +48,8 @@ pandora.ui.errorDialog = function(data) {
 
         // on window unload, pending request will time out, so
         // in order to keep the dialog from appearing, delay it
-
+        setTimeout(function() {
+            if ($('.OxErrorDialog').length ==0 && !pandora.isUnloading) {
                 that = Ox.Dialog({
                     buttons: [
                         Ox.Button({
@@ -84,5 +85,7 @@ pandora.ui.errorDialog = function(data) {
                 })
                 .open();
             }
+        }, 250);
+    }
     that.addClass('OxErrorDialog');
 };