//<![CDATA[
    var map;
    var markers = new Array(1);
    function onLoad() {
      map = new GMap2(document.getElementById("map"));
      map.setCenter(new GLatLng(34.921047354315455,136.31190061569214),17);
      map.addControl(new GLargeMapControl());
      map.addControl(new GMapTypeControl());
      map.setMapType(G_NORMAL_MAP);
      var marker = null;
      var n_markers = 0;
      var markeropts = new Object();
      marker = new GMarker(new GPoint(136.3117879629135,34.92132006146655), markeropts);
      markers[n_markers] = marker;
      n_markers++;
      map.addOverlay(marker);
            GEvent.addListener(marker, 'click', function() {
        marker.openInfoWindowHtml(
             document.createTextNode("明日を拓く先進の電気設備、黒田技研"));
      });
    }
    //]]>