if (GBrowserIsCompatible()) {
//地図を作成
var map = new GMap2(document.getElementById("map"));
var point = new GLatLng(35.675385,139.482422);
map.setCenter(point, 15);
map.addControl(new GLargeMapControl());
map.addControl(new GMapTypeControl());
map.addControl(new GScaleControl());
var marker = new GMarker(point);
GEvent.addListener(marker, "click", function() {
marker.openInfoWindowHtml("<center>南方郵便機</center>");
});
map.addOverlay(marker);
}