diff --git a/web/document_outline_view.js b/web/document_outline_view.js
new file mode 100644
index 000000000..74dbe3fb4
--- /dev/null
+++ b/web/document_outline_view.js
@@ -0,0 +1,65 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/* Copyright 2012 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* globals PDFView */
+
+'use strict';
+
+var DocumentOutlineView = function documentOutlineView(outline) {
+  var outlineView = document.getElementById('outlineView');
+  while (outlineView.firstChild) {
+    outlineView.removeChild(outlineView.firstChild);
+  }
+
+  if (!outline) {
+    if (!outlineView.classList.contains('hidden')) {
+      PDFView.switchSidebarView('thumbs');
+    }
+    return;
+  }
+
+  function bindItemLink(domObj, item) {
+    domObj.href = PDFView.getDestinationHash(item.dest);
+    domObj.onclick = function documentOutlineViewOnclick(e) {
+      PDFView.navigateTo(item.dest);
+      return false;
+    };
+  }
+
+  var queue = [{parent: outlineView, items: outline}];
+  while (queue.length > 0) {
+    var levelData = queue.shift();
+    var i, n = levelData.items.length;
+    for (i = 0; i < n; i++) {
+      var item = levelData.items[i];
+      var div = document.createElement('div');
+      div.className = 'outlineItem';
+      var a = document.createElement('a');
+      bindItemLink(a, item);
+      a.textContent = item.title;
+      div.appendChild(a);
+
+      if (item.items.length > 0) {
+        var itemsDiv = document.createElement('div');
+        itemsDiv.className = 'outlineItems';
+        div.appendChild(itemsDiv);
+        queue.push({parent: itemsDiv, items: item.items});
+      }
+
+      levelData.parent.appendChild(div);
+    }
+  }
+};
diff --git a/web/viewer.html b/web/viewer.html
index 5959ebac7..bdce51ae8 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -73,6 +73,7 @@ http://sourceforge.net/adobe/cmap/wiki/License/
     <script type="text/javascript" src="page_view.js"></script>
     <script type="text/javascript" src="thumbnail_view.js"></script>
     <script type="text/javascript" src="text_layer_builder.js"></script>
+    <script type="text/javascript" src="document_outline_view.js"></script>
     <script type="text/javascript" src="pdf_find_bar.js"></script>
     <script type="text/javascript" src="pdf_find_controller.js"></script>
     <script type="text/javascript" src="pdf_history.js"></script>
diff --git a/web/viewer.js b/web/viewer.js
index 4a0fe55bb..0826e12ba 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -19,7 +19,8 @@
            getFileName, scrollIntoView, getPDFFileNameFromURL, PDFHistory,
            Preferences, ViewHistory, PageView, ThumbnailView, URL,
            noContextMenuHandler, SecondaryToolbar, PasswordPrompt,
-           PresentationMode, HandTool, Promise, DocumentProperties */
+           PresentationMode, HandTool, Promise, DocumentProperties,
+           DocumentOutlineView */
 
 'use strict';
 
@@ -1636,53 +1637,7 @@ var PDFView = {
 //#include page_view.js
 //#include thumbnail_view.js
 //#include text_layer_builder.js
-
-var DocumentOutlineView = function documentOutlineView(outline) {
-  var outlineView = document.getElementById('outlineView');
-  while (outlineView.firstChild) {
-    outlineView.removeChild(outlineView.firstChild);
-  }
-
-  if (!outline) {
-    if (!outlineView.classList.contains('hidden')) {
-      PDFView.switchSidebarView('thumbs');
-    }
-    return;
-  }
-
-  function bindItemLink(domObj, item) {
-    domObj.href = PDFView.getDestinationHash(item.dest);
-    domObj.onclick = function documentOutlineViewOnclick(e) {
-      PDFView.navigateTo(item.dest);
-      return false;
-    };
-  }
-
-
-  var queue = [{parent: outlineView, items: outline}];
-  while (queue.length > 0) {
-    var levelData = queue.shift();
-    var i, n = levelData.items.length;
-    for (i = 0; i < n; i++) {
-      var item = levelData.items[i];
-      var div = document.createElement('div');
-      div.className = 'outlineItem';
-      var a = document.createElement('a');
-      bindItemLink(a, item);
-      a.textContent = item.title;
-      div.appendChild(a);
-
-      if (item.items.length > 0) {
-        var itemsDiv = document.createElement('div');
-        itemsDiv.className = 'outlineItems';
-        div.appendChild(itemsDiv);
-        queue.push({parent: itemsDiv, items: item.items});
-      }
-
-      levelData.parent.appendChild(div);
-    }
-  }
-};
+//#include document_outline_view.js
 
 var DocumentAttachmentsView = function documentAttachmentsView(attachments) {
   var attachmentsView = document.getElementById('attachmentsView');