gistfile1.txt

<script type="text/javascript"
  src="http://maps.googleapis.com/maps/api/js?key=AIzaSyCJHoCLJb_K0TPxWagrigvltvi33-lhpDU&sensor=false">
</script>

<script type ="text/javascript">
    function initialize() {

        // marcas padre
        var mapOptions = {
          zoom: 6,
          center: new google.maps.LatLng(-25.363882,131.044922),
          mapTypeId: google.maps.MapTypeId.ROADMAP,
        }
        var map = new google.maps.Map(document.getElementById("map_canvas"), mapOptions);

        // marcas hijo
        var arrayll = new Array();
        arrayll.push(new google.maps.LatLng(-25.363882,131.044922));
        arrayll.push(new google.maps.LatLng(-10.363882,15.044922));

        //pintar all
        for(i=0;i<arrayll.length;i++){
            var marker = new google.maps.Marker({
                position: arrayll[i],
                title:"Hello World!"
            });
            marker.setMap(map);
            console.log("pintadoo",i);
            //infowindow.open(map,marker);
        }

        // var infowindow = new google.maps.InfoWindow({
        //         content: contentString
        // });
        //   infowindow.setContent(contentString);
        //   infowindow.setPosition(event.latLng);

        //   infowindow.open(map);
    }

</script>