function load_map()
{
if (GBrowserIsCompatible())
    {
        var map = new GMap2(document.getElementById("map"));                                
        map.addControl(new GMapTypeControl());	 
        map.addControl(new GLargeMapControl());
        map.setCenter(new GLatLng(41.890266,12.492077), 15);  

        function createMarker(point, description)
        {
            var marker = new GMarker(point);
            GEvent.addListener(marker, "click", function(){
            marker.openInfoWindowHtml(description);
            });
            return marker;
        }

        map.addOverlay(createMarker(new GLatLng(41.890266,12.492077),"<div style='color: black; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif;font-size:12px;'><strong>Colosseum</strong><\/div>")); 
    }
}