From f285f850d7037e1bbb76c67c57db5c165fbf07d8 Mon Sep 17 00:00:00 2001
From: Jeremy Ruston <jeremy@osmosoft.com>
Date: Thu, 13 Jun 2013 08:35:05 +0100
Subject: [PATCH] Use window.onerror instead of window.addEventListener for
 error trapping

Now the error trapping works in Firefox
---
 boot/boot.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/boot/boot.js b/boot/boot.js
index f306d3e6a..a97024162 100644
--- a/boot/boot.js
+++ b/boot/boot.js
@@ -105,10 +105,10 @@ $tw.utils.error = function(err) {
 Use our custom error handler if we're in the browser
 */
 if($tw.browser) {
-	window.addEventListener("error",function(event) {
-		$tw.utils.error(event.message);
+	window.onerror = function(errorMsg,url,lineNumber) {
+		$tw.utils.error(errorMsg);
 		return false;
-	});
+	};
 }
 
 /*