From d9bd8106fe13ee8c12d8702f03f487834b364dcf Mon Sep 17 00:00:00 2001
From: Daniel Bonniot <dbonniot@chemaxon.com>
Date: Wed, 3 Jul 2013 11:27:12 +0200
Subject: [PATCH] https://github.com/coolwanglu/pdf2htmlEX/issues/180

Call e.preventDefault() when the key was handled.
---
 share/pdf2htmlEX.js.in | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/share/pdf2htmlEX.js.in b/share/pdf2htmlEX.js.in
index 2c963aa..e98c450 100644
--- a/share/pdf2htmlEX.js.in
+++ b/share/pdf2htmlEX.js.in
@@ -333,17 +333,23 @@ var pdf2htmlEX = (function(){
         switch (e.keyCode) {
         case 33: // Page Down
           _.scroll_to_page(_.get_prev_page());
+          e.preventDefault();
           break;
         case 34: // Page Up
           _.scroll_to_page(_.get_next_page());
+          e.preventDefault();
           break;
         case 35: // End
-          if (e.ctrlKey)
+          if (e.ctrlKey) {
             _.scroll_to_page(_.pages[_.pages.length-1]);
+            e.preventDefault();
+          }
           break;
         case 36: // Home
-          if (e.ctrlKey)
+          if (e.ctrlKey) {
             _.scroll_to_page(_.pages[1]);
+            e.preventDefault();
+          }
           break;
         }
       });