function initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("googlemap"));
        map.setCenter(new GLatLng(44.992484,7.518768), 10);
        map.setUIToDefault();

var point = new GLatLng(44.904166,7.43135);
var myIcon = new GIcon(G_DEFAULT_ICON);
myIcon.image = "http://riellosrl.info/img/marker.png";

var markerOptions = { icon:myIcon };

var marker = new GMarker(point, markerOptions);

map.addOverlay(marker);

GEvent.addListener(marker, "click", function () {
  marker.openInfoWindowHtml('<object><div style="width:275px;height:75px;text-align:center"><img src="http://riellosrl.info/img/logo-riello-m.png" height="75px" alt="Riello s.r.l." /></div></object>');
});

      }
    }