// JavaScript Document
    var map;
    var markers = new Array(1);
    function onLoad() {
      map = new GMap2(document.getElementById("map"));
      map.setCenter(new GLatLng(35.713284,139.759008),16);
      map.addControl(new GLargeMapControl());
      map.addControl(new GMapTypeControl());
      map.addControl(new GOverviewMapControl());
      map.setMapType(G_NORMAL_MAP);
      var marker = null;
      var n_markers = 0;
      var markeropts = new Object();
      marker = new GMarker(new GPoint(139.759008,35.713284), markeropts);
      markers[n_markers] = marker;
      GEvent.addListener(markers[0], "mouseover", function () {markers[0].openInfoWindowHtml("〒113-0033 <br>東京都文京区本郷6-17-9<br>本郷綱ビル8F");});
      n_markers++;
      map.addOverlay(marker);
    }