Ticket #1404: null.patch

lib/OpenLayers/Map.js

@@ -545 +545 @@
-        }
-        this.viewPortDiv = null;
-
+        this.eventListeners = null;
-        this.events.destroy();
-        this.events = null;
-

lib/OpenLayers/Control.js

@@ -177 +177 @@
-     * to prevent memory leaks.
-     */
-    destroy: function () {
+        this.eventListeners = null;
-        if(this.events) {
-            this.events.destroy();
-            this.events = null;

lib/OpenLayers/Layer.js

@@ -314 +314 @@
-        this.div = null;
-        this.options = null;
-
+        this.eventListeners = null;
-        if (this.events) {
-            this.events.destroy();
-        }