From 6c67b3a0e3cd2826b13f22b1cedba89f129a2d1f Mon Sep 17 00:00:00 2001
From: crschmidt <crschmidt@crschmidt.net>
Date: Thu, 29 Mar 2007 16:25:52 +0000
Subject: [PATCH] By setting the innerHTML of the icon, we tell browsers they
 can clean up the memory associated with those images. This completes #581,
 and reduces the memory used by applications where adding and removing of many
 markers is used.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2925 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Icon.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/OpenLayers/Icon.js b/lib/OpenLayers/Icon.js
index 7046f2d7c1..07f0e2323d 100644
--- a/lib/OpenLayers/Icon.js
+++ b/lib/OpenLayers/Icon.js
@@ -52,6 +52,8 @@ OpenLayers.Icon.prototype = {
     },
     
     destroy: function() {
+        OpenLayers.Event.stopObserving(this.imageDiv.firstChild);
+        this.imageDiv.innerHTML = "";
         this.imageDiv = null;
     },