From 90f119d97612397564d8e93776a703c687d362d8 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Mon, 19 Dec 2011 17:54:46 +0000
Subject: [PATCH] Fix loading of blank tiles on some browsers to use the asset
 pipeline

---
 app/assets/javascripts/openlayers.js.erb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/assets/javascripts/openlayers.js.erb b/app/assets/javascripts/openlayers.js.erb
index 206e7177f..f4964b8fb 100644
--- a/app/assets/javascripts/openlayers.js.erb
+++ b/app/assets/javascripts/openlayers.js.erb
@@ -59,3 +59,12 @@ OpenLayers.Util.modifyAlphaImageDiv = function(div, id, px, sz, imgURL,
                                                    position, border, sizing, 
                                                    opacity);
 };
+
+OpenLayers.Tile.Image.clear = function() {
+    if (this.imgDiv) {
+        this.hide();
+        if (OpenLayers.Tile.Image.useBlankTile) { 
+            this.imgDiv.src = "<%= asset_path 'img/blank.gif' %>";
+        }    
+    }
+};
-- 
2.43.2