From 74de46c3f6a8e863f0991340ccde27403953d856 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 25 Jan 2012 20:11:12 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/viewer/position.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/viewer/position.py b/src/calibre/gui2/viewer/position.py
index cd2f9d2975..ee56b3e4d5 100644
--- a/src/calibre/gui2/viewer/position.py
+++ b/src/calibre/gui2/viewer/position.py
@@ -38,7 +38,15 @@ class PagePosition(object):
         if cfi:
             cfi = json.dumps(cfi)
             self.document.mainFrame().evaluateJavaScript('''
-                    window.cfi.scroll_to(%s);
+                    function fix_scroll() {
+                        /* cfi.scroll_to() uses scrollIntoView() which can result
+                           in scrolling to scrolling along the x-axis. So we
+                           explicitly scroll to x=0.
+                        */
+                       scrollTo(0, window.pageYOffset)
+                    }
+
+                    window.cfi.scroll_to(%s, fix_scroll);
                 '''%cfi)
 
     @property