From 5f95fb6b78b018e1b1d55e95dd6df6a7d40f750a Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Fri, 19 Jul 2013 12:12:58 +0100
Subject: [PATCH] Don't try and look at params.layers when it isn't set

---
 app/assets/javascripts/index/notes.js.erb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/index/notes.js.erb b/app/assets/javascripts/index/notes.js.erb
index 2d807eb92..d0f6cb388 100644
--- a/app/assets/javascripts/index/notes.js.erb
+++ b/app/assets/javascripts/index/notes.js.erb
@@ -50,7 +50,10 @@ function initializeNotes(map) {
   });
 
   if (OSM.STATUS != 'api_offline' && OSM.STATUS != 'database_offline') {
-    if (params.notes || params.layers.indexOf('N') >= 0) map.addLayer(noteLayer);
+    if (params.notes || (params.layers && params.layers.indexOf('N')) >= 0) {
+      map.addLayer(noteLayer);
+    }
+
     if (params.note) {
       $.ajax({
         url: "/api/" + OSM.API_VERSION + "/notes/" + params.note + ".json",
-- 
2.43.2