function initialize() {
    var myOptions = {
      zoom: 15,
      center: new google.maps.LatLng(36.508359887301395,136.59573197364807),
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var map = new google.maps.Map(document.getElementById("map_canvas"),
                                  myOptions);

    var image = new google.maps.MarkerImage('images/ico_flag3b_5.gif', new google.maps.Size(18,20));
    var myLatLng = new google.maps.LatLng(36.50881262063225, 136.59589290618896);
    var beachMarker = new google.maps.Marker({
        position: myLatLng,
        map: map,
        icon: image,
        title:"taskmother"
    });
    
    var infowindow = new google.maps.InfoWindow(
    { content: '<b>タスクマザー in i-Bird 2F</b>',
      size: new google.maps.Size(200,30)
    });
    
    google.maps.event.addListener(beachMarker, 'click', function() {
    infowindow.open(map,beachMarker);
    });
    google.maps.event.trigger(beachMarker, 'click');
  }