From 1e18c2309544f5f44001ba44d2761a81ced0ddfb Mon Sep 17 00:00:00 2001
From: Toshi MARUYAMA <marutosijp2@yahoo.co.jp>
Date: Fri, 24 May 2013 07:21:56 +0000
Subject: [PATCH] use document.referrer instead of history.length (#13697)

Contributed by Filou Centrinov.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11900 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/views/journals/diff.html.erb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/views/journals/diff.html.erb b/app/views/journals/diff.html.erb
index ac17e090a..d28ee0f71 100644
--- a/app/views/journals/diff.html.erb
+++ b/app/views/journals/diff.html.erb
@@ -7,7 +7,7 @@
 
 <p>
   <%= link_to(l(:button_back), issue_path(@issue),
-              :onclick => 'if (history.length > 1) {history.back(); return false;}') %>
+              :onclick => 'if (document.referrer != "") {history.back(); return false;}') %>
 </p>
 
 <% html_title "#{@issue.tracker.name} ##{@issue.id}: #{@issue.subject}" %>