function loadgmap(){

if (GBrowserIsCompatible()) {
var map = new GMap(document.getElementById("map"));
map.setCenter(new GLatLng(35.16380131498376, 139.8203480243683), 16);
map.addControl(new GLargeMapControl());
map.addControl(new GMapTypeControl());

map.addControl(new GOverviewMapControl(new GSize(120,120))); 
var overview = document.getElementById("map_overview"); 
//document.getElementById("map").appendChild(overview);

var marker = new GMarker(new GLatLng(35.16377500222205, 139.8202621936798));
GEvent.addListener(marker, "click", function() {
marker.openInfoWindowHtml("<div style='text-align: center; font-size: 13px; line-height: 1.2em;'><p><img src='http://terueimaru.aori.jp/img/mapinfo.jpg' alt='輝栄丸' width='150' height='100' /><br /><strong> - 輝栄丸 - </strong><br />千葉県富津市金谷　金谷漁港<br />TEL:0439-69-2218</p></div>");
});
map.addOverlay(marker);

}
}
window.onload=loadgmap;