function load(){
if(GBrowserIsCompatible()){
var map = new GMap2(document.getElementById("map"));
var mapTypeControl = new GSmallZoomControl3D() ;
var topRight = new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(10,10));
var bottomRight = new GControlPosition(G_ANCHOR_BOTTOM_RIGHT, new GSize(10,20));
map.addControl(mapTypeControl, bottomRight);
GEvent.addListener(map, "dblclick", function() {
  map.removeControl(mapTypeControl);
});
map.setCenter(new GLatLng(43.8686, 10.3407), 13);
map.setMapType(G_HYBRID_MAP);
map.enableContinuousZoom();
map.enableDoubleClickZoom();
icon = new GIcon();
icon.image = "http://labs.google.com/ridefinder/images/mm_20_red.png";
icon.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";
icon.iconSize = new GSize(12, 20);
icon.shadowSize = new GSize(22, 20);
icon.iconAnchor = new GPoint(6, 20);
icon.infoWindowAnchor = new GPoint(5, 1);

iconb = new GIcon();
iconb.image = "http://labs.google.com/ridefinder/images/mm_20_green.png";
iconb.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";
iconb.iconSize = new GSize(12, 20);
iconb.shadowSize = new GSize(22, 20);
iconb.iconAnchor = new GPoint(6, 20);
iconb.infoWindowAnchor = new GPoint(5, 1);

iconc = new GIcon();
iconc.image = "http://labs.google.com/ridefinder/images/mm_20_yellow.png";
iconc.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";
iconc.iconSize = new GSize(12, 20);
iconc.shadowSize = new GSize(22, 20);
iconc.iconAnchor = new GPoint(6, 20);
iconc.infoWindowAnchor = new GPoint(5, 1);

icond = new GIcon();
icond.image = "http://labs.google.com/ridefinder/images/mm_20_blue.png";
icond.shadow = "http://labs.google.com/ridefinder/images/mm_20_shadow.png";
icond.iconSize = new GSize(12, 20);
icond.shadowSize = new GSize(22, 20);
icond.iconAnchor = new GPoint(6, 20);
icond.infoWindowAnchor = new GPoint(5, 1);

function createMarker(point, icon, notes){
var marker = new GMarker(point, icon);
GEvent.addListener(marker, "click", function(){            marker.openInfoWindowHtml(notes);         });         return marker;      }
GEvent.addListener(map, "moveend", function() {         var center = map.getCenter();      });
GEvent.addListener(map, "zoomend", function() {         var zoom = map.getZoom();      });
GEvent.addListener(map, "maptypechanged", function() {         var mode = map.getCurrentMapType().getName();      });
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(43.8686, 10.3407); map.addOverlay(createMarker(point, icond, 'Viareggio'));


}}//]]>