--- js/openlayers.js_ori	2010-10-01 10:32:51.000000000 +0300
+++ js/openlayers.js	2010-10-01 10:33:06.000000000 +0300
@@ -55,6 +55,7 @@ Drupal.behaviors.openlayers = function(c
           if (map.projection === '900913') {
             options.maxExtent = new OpenLayers.Bounds(
               -20037508.34, -20037508.34, 20037508.34, 20037508.34);
+             options.units = "m";
           }
           if (map.projection === '4326') {
             options.maxExtent = new OpenLayers.Bounds(-180, -90, 180, 90);