From 0d2b12c7cd0d8e478743d38cc5849ddca2d87e10 Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Thu, 12 Apr 2007 15:12:44 +0000
Subject: [PATCH] #662 - prototypes shouldn't get properties that might be
 extended

git-svn-id: http://svn.openlayers.org/trunk/openlayers@3070 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Control/DrawFeature.js   | 2 +-
 lib/OpenLayers/Control/OverviewMap.js   | 5 +++--
 lib/OpenLayers/Control/SelectFeature.js | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/OpenLayers/Control/DrawFeature.js b/lib/OpenLayers/Control/DrawFeature.js
index 956db4c013..da4b8dfb26 100644
--- a/lib/OpenLayers/Control/DrawFeature.js
+++ b/lib/OpenLayers/Control/DrawFeature.js
@@ -22,7 +22,7 @@ OpenLayers.Control.DrawFeature.prototype =
     /**
      * @type {Object} The functions that are sent to the handler for callback
      */
-    callbacks: {},
+    callbacks: null,
     
     /**
      * @type {Function} Called after each feature is added
diff --git a/lib/OpenLayers/Control/OverviewMap.js b/lib/OpenLayers/Control/OverviewMap.js
index 086efa0c68..cb5301125b 100644
--- a/lib/OpenLayers/Control/OverviewMap.js
+++ b/lib/OpenLayers/Control/OverviewMap.js
@@ -46,7 +46,7 @@ OpenLayers.Control.OverviewMap.prototype =
      * 
      * @type Array(OpenLayers.Layer)
      */
-    layers: [],
+    layers: null,
 
     /**
      * The ratio of the overview map resolution to the main map resolution
@@ -68,13 +68,14 @@ OpenLayers.Control.OverviewMap.prototype =
      * options that the main map was constructed with.
      * @type: Object
      */
-    mapOptions: {},
+    mapOptions: null,
 
     /**
      * @constructor
      * @param {Object} options Hashtable of options to set on the overview map
      */
     initialize: function(options) {
+        this.layers = new Array();
         OpenLayers.Control.prototype.initialize.apply(this, [options]);
     },
     
diff --git a/lib/OpenLayers/Control/SelectFeature.js b/lib/OpenLayers/Control/SelectFeature.js
index ebda28f0f0..4aa31cd717 100644
--- a/lib/OpenLayers/Control/SelectFeature.js
+++ b/lib/OpenLayers/Control/SelectFeature.js
@@ -45,7 +45,7 @@ OpenLayers.Control.SelectFeature.prototype =
     /**
      * @type {Object} The functions that are sent to the handler for callback
      */
-    callbacks: {},
+    callbacks: null,
     
     /**
      * @type {Object} Hash of styles