test for , not for hasZoombar, so that the test won't fail before load

source/Ox.UI/js/Map/Ox.Map.js

@@ -1497,7 +1497,7 @@ Ox.Map = function(options, self) {
                 height: self.mapHeight + 'px',
                 width: self.options.width + 'px'
             });
-            self.options.showZoombar && self.$zoomInput.options({
+            self.options.$zoomInput && self.$zoomInput.options({
                 size: self.options.width
             });
             updateFormElements();