var map;
    var markers = new Array(1);
    function onLoad() {
      map = new GMap2(document.getElementById("map"));
      map.setCenter(new GLatLng(34.97208277556915,138.3840250968933),13);
      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();
      markeropts.title = "株式会社　五陽";
      marker = new GMarker(new GPoint(138.38394463062286,34.972056400928764), markeropts);
      markers[n_markers] = marker;
      GEvent.addListener(markers[0], "mouseover", function () {markers[0].openInfoWindowHtml("株式会社　五陽<br>〒420-0033<br>静岡市葵区昭和町一番地の六　サン・フォレスト静岡昭和ビル 8F");});
      n_markers++;
      map.addOverlay(marker);
    }