From 1181ef2778d995f39a5b36497d83875ca0735821 Mon Sep 17 00:00:00 2001
From: Saebekassebil <saebekassebil@gmail.com>
Date: Wed, 28 Mar 2012 19:15:59 +0200
Subject: [PATCH] Fix throwing errors

---
 src/metadata.js | 8 +++++---
 web/viewer.js   | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/metadata.js b/src/metadata.js
index ba87f7b84..56ac792ca 100644
--- a/src/metadata.js
+++ b/src/metadata.js
@@ -16,13 +16,15 @@ var Metadata = (function MetadataClosure() {
     parse: function() {
       var doc = this.metaDocument;
       var rdf = doc.documentElement;
-      if (rdf.tagName.toLowerCase() !== 'rdf:rdf') { // Wrapped in <xmpmeta>
+
+      if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in <xmpmeta>
         rdf = rdf.firstChild;
-        while (rdf.nodeName && rdf.nodeName.toLowerCase() !== 'rdf:rdf')
+        while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf')
           rdf = rdf.nextSibling;
       }
 
-      if (rdf.nodeName.toLowerCase() !== 'rdf:rdf' || !rdf.hasChildNodes())
+      var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;
+      if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes())
         return;
 
       var childNodes = rdf.childNodes, desc, namespace, entries, entry;
diff --git a/web/viewer.js b/web/viewer.js
index af34f6192..df3bf8e10 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -500,6 +500,7 @@ var PDFView = {
       this.parseScale(kDefaultScale, true);
     }
 
+    this.metadata = null;
     var metadata = pdf.catalog.metadata;
     var info = pdf.info;
     var pdfTitle;