function initialize() {
    if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        map.addControl(new GSmallMapControl());
        // 48°59'29.905"N, 14°27'1.33"E
        // 48 + 59/60 + 29.905/60/60 = 48.9916
        // 14 + 27/60 + 1.330/60/60 = 14.4503
        map.setCenter(new GLatLng(48.9916, 14.4503), 16);
 
        var bounds = map.getBounds();
        var southWest = bounds.getSouthWest();
        var northEast = bounds.getNorthEast();
        var lngSpan = northEast.lng() - southWest.lng();
        var latSpan = northEast.lat() - southWest.lat();
        var point = new GLatLng(southWest.lat() + latSpan * 0.5, southWest.lng() + lngSpan * 0.5);
        map.addOverlay(new GMarker(point));
        map.openInfoWindow(point, document.createTextNode("PneuCB"));
    }
}