From c25a20ff133d0ff9c865ac2cbc0076544cb4f16b Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Mon, 2 Jun 2008 12:45:24 +0000
Subject: [PATCH] Don't try and parse an empty string as a layer config, and
 cope a bit better if we do hit the end of the string. Closes #942.

---
 app/views/site/index.rhtml | 2 +-
 public/javascripts/map.js  | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/views/site/index.rhtml b/app/views/site/index.rhtml
index d6247158d..3e0400ce4 100644
--- a/app/views/site/index.rhtml
+++ b/app/views/site/index.rhtml
@@ -109,7 +109,7 @@ by the OpenStreetMap project and its contributors.
     setMapCenter(centre, zoom);
     <% end %>
 
-    <% if layers %>
+    <% if !layers.empty? %>
     setMapLayers("<%= layers %>");
     <% end %>
 
diff --git a/public/javascripts/map.js b/public/javascripts/map.js
index 7591d7d16..9f9be0987 100644
--- a/public/javascripts/map.js
+++ b/public/javascripts/map.js
@@ -155,7 +155,11 @@ function setMapLayers(layerConfig) {
    for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) {
       var c = layerConfig.charAt(l++);
 
-      layers[i].setVisibility(c == "T");
+      if (c == "T") {
+         layers[i].setVisibility(true);
+      } else if(c == "F") {
+         layers[i].setVisibility(false);
+      }
    }
 }
 
-- 
2.43.2