as universally approved on discussions on dev list, replace new Object() with {}. all tests pass ff & ie6

git-svn-id: http://svn.openlayers.org/trunk/openlayers@3814 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer.js

@@ -315,7 +315,7 @@ OpenLayers.Layer = OpenLayers.Class({
     addOptions: function (newOptions) {
         
         if (this.options == null) {
-            this.options = new Object();
+            this.options = {};
         }
         
         // update our copy for clone
@@ -569,7 +569,7 @@ OpenLayers.Layer = OpenLayers.Class({
         //  resolution-related properties that we find in either the layer's
         //  'options' array or from the map.
         //
-        var confProps = new Object();        
+        var confProps = {};        
         for(var i=0; i < props.length; i++) {
             var property = props[i];
             confProps[property] = this.options[property] || this.map[property];