ground overlays

Create ground overlays for the map.

function initialize() {

  var newark = new google.maps.LatLng(40.740, -74.18);
  var imageBounds = new google.maps.LatLngBounds(
      new google.maps.LatLng(40.712216,-74.22655),
      new google.maps.LatLng(40.773941,-74.12544));

  var mapOptions = {
    zoom: 13,
    center: newark,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  }

  var map = new google.maps.Map(document.getElementById(\'map-canvas\'), mapOptions);

  var oldmap = new google.maps.GroundOverlay(
      \'https:www.lib.utexas.edumapshistoricalnewark_nj_1922.jpg\',
      imageBounds);
  oldmap.setMap(map);
}

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