From e1e11ab9c6aca75e544692755b42413ec1f2f879 Mon Sep 17 00:00:00 2001
From: mosesonline <slawomir.messner@uni.marburg.de>
Date: Fri, 1 Mar 2013 12:44:29 +0100
Subject: [PATCH] [BugFix] visibilitychanged listener is not unregistered on
 deactivation of Strategy/Refresh.

---
 lib/OpenLayers/Strategy/Refresh.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/OpenLayers/Strategy/Refresh.js b/lib/OpenLayers/Strategy/Refresh.js
index 726b89725e..cca187c95a 100644
--- a/lib/OpenLayers/Strategy/Refresh.js
+++ b/lib/OpenLayers/Strategy/Refresh.js
@@ -79,6 +79,10 @@ OpenLayers.Strategy.Refresh = OpenLayers.Class(OpenLayers.Strategy, {
         var deactivated = OpenLayers.Strategy.prototype.deactivate.call(this);
         if(deactivated) {
             this.stop();
+            this.layer.events.un({
+                "visibilitychanged": this.reset,
+                scope: this
+            });
         }
         return deactivated;
     },