var photos = new Array(
  '/shared/images/header-photo01.jpg',
  '/shared/images/header-photo02.jpg',
  '/shared/images/header-photo03.jpg',
  '/shared/images/header-photo04.jpg',
  '/shared/images/header-photo05.jpg',
  '/shared/images/header-photo06.jpg',
  '/shared/images/header-photo07.jpg',
  '/shared/images/header-photo08.jpg');
 var dispImgId = (photos.length) ? Math.floor(Math.random() * photos.length) : 0;
 document.open();
 document.write('<style type="text/css">');
 document.write('#header-zone { background-image: url('+ photos[dispImgId] +'); }');
 document.write('<\/style>');
 document.close();


 function GMapOnload() {
  if (GBrowserIsCompatible()) {
   var lat = 35.663303;
   var lng = 139.668512;
   var map;
   map = new GMap2(document.getElementById("map"));
   map.setCenter(new GLatLng(lat,lng),16);
   map.addControl(new GLargeMapControl());
   map.addControl(new GMapTypeControl());
   map.addControl(new GOverviewMapControl());
   map.setMapType(G_NORMAL_MAP);
   var point = new GLatLng(lat,lng);
   var marker = new GMarker(point);
   map.addOverlay(marker);
  }
 }