From 4cc9bf09be7ddb5e576ccfd798e9bcc80bc8a953 Mon Sep 17 00:00:00 2001
From: Thomas Mueller <thomas.mueller@tmit.eu>
Date: Thu, 14 Jun 2012 20:55:36 +0200
Subject: [PATCH] fix javascript error

---
 apps/files_pdfviewer/js/pdfjs/viewer.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apps/files_pdfviewer/js/pdfjs/viewer.js b/apps/files_pdfviewer/js/pdfjs/viewer.js
index ff4f2452b60..8a568e6a749 100644
--- a/apps/files_pdfviewer/js/pdfjs/viewer.js
+++ b/apps/files_pdfviewer/js/pdfjs/viewer.js
@@ -1675,6 +1675,10 @@ function preDraw() {
 function updateViewarea() {
   if (!PDFView.initialized)
     return;
+  var container = document.getElementById('viewer');
+  if (!container)
+    return;
+
   var visiblePages = PDFView.getVisiblePages();
   var pageToDraw;
   for (var i = 0; i < visiblePages.length; i++) {
-- 
2.39.5