From 99eaf40e5c0e23de600da876547481c2433fdc63 Mon Sep 17 00:00:00 2001
From: euzuro <euzuro@metacarta.com>
Date: Fri, 16 Feb 2007 16:34:14 +0000
Subject: [PATCH] patch for #485 -- prevents script error on destruction of
 layer due to null tile. test pass in ff & ie7

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2226 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Layer/WMS/Untiled.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/OpenLayers/Layer/WMS/Untiled.js b/lib/OpenLayers/Layer/WMS/Untiled.js
index f9d528b9d9..4634ef2ad7 100644
--- a/lib/OpenLayers/Layer/WMS/Untiled.js
+++ b/lib/OpenLayers/Layer/WMS/Untiled.js
@@ -66,8 +66,10 @@ OpenLayers.Layer.WMS.Untiled.prototype =
      * 
      */
     destroy: function() {
-        this.tile.destroy();
-        this.tile = null;    
+        if (this.tile) {
+          this.tile.destroy();
+          this.tile = null;    
+        }
         OpenLayers.Layer.HTTPRequest.prototype.destroy.apply(this, arguments);
     },