(function() {

  window.onload = function(){
    
    // Creating a map
    var options = {
      zoom: 3,
      center: new google.maps.LatLng(37.09, -95.71),
      mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    var map = new google.maps.Map(document.getElementById('map'), options);
    
    // Adding a marker to the map
    new google.maps.Marker({
      position: new google.maps.LatLng(37.09, -95.71), 
      map: map
    });
    
  };
       	
})();