From 179433da2f05afb07130103ba3a50f6d246b9532 Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Mon, 23 Apr 2012 18:46:28 -0400
Subject: [PATCH] For IFrame tiles, we need to set opacity on the IFrame's
 parent.

---
 lib/OpenLayers/Layer.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/OpenLayers/Layer.js b/lib/OpenLayers/Layer.js
index 63f0aaab2a..73ce4e8024 100644
--- a/lib/OpenLayers/Layer.js
+++ b/lib/OpenLayers/Layer.js
@@ -1287,6 +1287,11 @@ OpenLayers.Layer = OpenLayers.Class({
             var childNodes = this.div.childNodes;
             for(var i = 0, len = childNodes.length; i < len; ++i) {
                 var element = childNodes[i].firstChild || childNodes[i];
+                var lastChild = childNodes[i].lastChild;
+                //TODO de-uglify this
+                if (lastChild && lastChild.nodeName.toLowerCase() === "iframe") {
+                    element = lastChild.parentNode;
+                }
                 OpenLayers.Util.modifyDOMElement(element, null, null, null, 
                                                  null, null, null, opacity);
             }