function onLoad() {
var icon = new GIcon();
icon.iconSize = new GSize(20, 20);
icon.iconAnchor = new GPoint(10, 10);
icon.infoWindowAnchor = new GPoint(10, 10);
icon.infoShadowAnchor = new GPoint(18, 25);

var map = new GMap2(document.getElementById("entrymap"));

map.addControl(new GSmallMapControl());
map.addControl(new GMapTypeControl());
map.setCenter(new GLatLng(35.669244, 139.762869),17);

var point = new GLatLng(35.669244, 139.762869);
var marker = new GMarker(point);
map.addOverlay(marker);
}