rosie.js

var film = [
  [
    "On the Waterfront","1954",
    [
      [40.734059,-74.029192,"Hoboken Railway Station, Hoboken, New Jersey"],
      [40.7424391,-74.033583,"Our Lady Of Grace Church - 400 Willow Avenue, Hoboken, New Jersey"]
    ]
  ]
];

// Title = film[i][0]
// Year = film[i][1]
// Locations = film[i][2]
// Location Lng = film[i][2][l][0]
// Location Lat = film[i][2][l][1]
// Location Description = film[i][2][l][2]



function displaySingleFilm (item) {
  // Get locations for the film
  var locations = film[item.selectedIndex][2];

  // for each location in the film
  for (var j = 0; j < locations.length; j++) {
    // Add/show a marker for the location on the map
    var lat = locations[j][0];
    var lng = locations[j][1];
    var description = locations[j][2];

    var marker = new google.maps.Marker({
      position: new google.maps.LatLng(lat,lng),
      map: map
    });

    // Add click event listener for info window on each location marker
    google.maps.event.addListener(marker, 'click', (function(marker, i) {
      infoWindow.setContent(description);
      infoWindow.open(map, marker)
    })(marker, description);
  }
  
}