Untitled

<!DOCTYPE html>
<html>
  <head>
    <title>Geolocation</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
      html, body, #map-canvas {
        height: 100%;
        margin: 0px;
        padding: 0px
      }
    </style>
        <script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
    <script>
var map;
function initialize() {
  var mapOptions = {
    zoom:4
  };
  map = new google.maps.Map(document.getElementById('map-canvas'),
      mapOptions);

  // Try HTML5 geolocation
  if(navigator.geolocation) {
    navigator.geolocation.getCurrentPosition(function(position) {
      var pos = new google.maps.LatLng(position.coords.latitude,
                                       position.coords.longitude);

      var infowindow = new google.maps.InfoWindow({
        map: map,
        position: pos,
        content: 'Você está aqui.'
      });

      map.setCenter(pos);
    }, function() {
      handleNoGeolocation(true);
    });
  } else {
    // Browser doesn't support Geolocation
    handleNoGeolocation(false);
  }
}

function handleNoGeolocation(errorFlag) {
  if (errorFlag) {
    var content = 'Error: The Geolocation service failed.';
  } else {
    var content = 'Error: Your browser doesn\'t support geolocation.';
  }

  var options = {
    map: map,
    position: new google.maps.LatLng(60, 105),
    content: content
  };

  var infowindow = new google.maps.InfoWindow(options);
  map.setCenter(options.position);
}

google.maps.event.addDomListener(window, 'load', initialize);

/*BRUNO FORUM*/
function carregarPontos() {
jQuery.getJSON('a.json', function(data){
    data.forEach(function(each){
      setMarker({
        position: new google.maps.LatLng(each.Latitude,  each.Longitude),
        title: each.Nome,
        map: map
      });
    });
  }
)};


function setMarker(options) {
  console.log(options);
  var marker = new google.maps.Marker(options);

  google.maps.event.addListener(marker, 'click', (function(marker, i) {
    return function() {
        infowindow.setContent("Conteúdo do marcadora.");
        infowindow.open(map, marker);
    }
  })(marker))
}

</script>

<script defer="DEFER">
//carregarPontos();
    </script>
  </head>
  <body>
    <div id="map-canvas"></div>
    <div style="position:fixed;top:0px;"><button onclick="carregarPontos();">Carregar</button></div>
    </body>
</html>