Excuse the bad commit message on r1172. This change and that one add a reusable empty function. r=ahocevar (closes #3073)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11174 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/BaseTypes.js

@@ -458,7 +458,17 @@ OpenLayers.Function = {
      */
     True : function() {
         return true;
-    }
+    },
+    
+    /**
+     * APIFunction: Void
+     * A reusable function that returns ``undefined``.
+     *
+     * Returns:
+     * {undefined}
+     */
+    Void: function() {}
+
 };
 
 if (!Function.prototype.bind) {