diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 0c00fe8c922ed8e1e108c142c7dcecb052d785cf..414dfb03cdccaecf4eb6535b620ffb5a604b3255 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -195,6 +195,8 @@ $(document).ready(function() {
 			e.preventDefault(); // prevent browser from doing anything, if file isn't dropped in dropZone
 	});
 
+	if ( document.getElementById("file_upload_start") ) {
+	
 	$(function() {
 		$('.file_upload_start').fileupload({
 			dropZone: $('#content'), // restrict dropZone to content div
@@ -408,7 +410,8 @@ $(document).ready(function() {
 			}
 		})
 	});
-
+	}
+	
 	$.assocArraySize = function(obj) {
 		// http://stackoverflow.com/a/6700/11236
 		var size = 0, key;
@@ -592,7 +595,10 @@ $(document).ready(function() {
 
 	var lastWidth = 0;
 	var breadcrumbs = [];
-	var breadcrumbsWidth = $('#navigation').get(0).offsetWidth;
+	var breadcrumbsWidth = 0;
+	if ( document.getElementById("navigation") ) {
+		breadcrumbsWidth = $('#navigation').get(0).offsetWidth;
+	}
 	var hiddenBreadcrumbs = 0;
 
 	$.each($('.crumb'), function(index, breadcrumb) {