From adaded343dd9b58fa8912dbe8ccf162b6907c12e Mon Sep 17 00:00:00 2001
From: John McLear <john@mclear.co.uk>
Date: Wed, 6 Feb 2013 20:09:30 +0000
Subject: [PATCH] better fix for IE8 page up down

---
 src/static/js/ace2_inner.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/static/js/ace2_inner.js b/src/static/js/ace2_inner.js
index 8c4beef5c..6d8c58bbc 100644
--- a/src/static/js/ace2_inner.js
+++ b/src/static/js/ace2_inner.js
@@ -156,12 +156,14 @@ function Ace2Inner(){
 
   // Ugly hack for Firefox 18
   // get the timeout and interval methods from the parent iframe
-  var FIREFOX = /Firefox/i.test(navigator.userAgent);
-  if(FIREFOX){
+  // This hack breaks IE8
+  try{
     setTimeout = parent.setTimeout;
     clearTimeout = parent.clearTimeout;
     setInterval = parent.setInterval;
     clearInterval = parent.clearInterval;
+  }catch(err){
+    // IE8 can panic here.
   }
 
   var textFace = 'monospace';