function showMap() {
function createMarker(point,html) {
var marker = new GMarker(point);
GEvent.addListener(marker, "click", function() {
marker.openInfoWindowHtml(html);
});
return marker;
}
var map = new GMap2(document.getElementById("map"));
map.addControl(new GLargeMapControl());
map.addControl(new GMapTypeControl());
map.setCenter(new GLatLng(41.000000,12.000000),10);
var point = new GLatLng(41.000000,12.000000);
var marker = createMarker(point,'<div style="width:380px">Prova</div>');
map.addOverlay(marker);
}
}