var map;
    var markers = new Array(1);
    function onLoad() {
      map = new GMap2(document.getElementById("map"));
      map.setCenter(new GLatLng(35.6819190346598,139.70219135284424),17);
      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(139.70224767923355,35.68178613558301), markeropts);
      markers[n_markers] = marker;
      GEvent.addListener(markers[0], "mouseover", function () {markers[0].openInfoWindowHtml("<storong><span>LB </span>Offoce</storong><br>〒151-0053<br>東京都渋谷区代々木　1-31-15さくらビル3階<br>TEL：03-5302-8433 ／ FAX：03-5333-5931<br>ＪＲ山手線 代々木駅 西口徒歩約2分<br>都営大江戸線 代々木駅 徒歩約2分");});
      n_markers++;
      map.addOverlay(marker);
    }