gmap.html

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<div id="map" style="width:100%px;height:400px;" class="google_map full"></div>
<script type="text/javascript">
var latlng = new google.maps.LatLng(0, 0);
var myOptions = {
  zoom: 16,
	center: latlng,
	scrollwheel: true,
	scaleControl: false,
	disableDefaultUI: false,
	mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("map"),
	myOptions);

var geocoder_map = new google.maps.Geocoder();
var address = 'Amsterdam';
geocoder_map.geocode({
	'address': address
}, function(results, status) {
	if (status == google.maps.GeocoderStatus.OK) {
		map.setCenter(results[0].geometry.location);

		var marker = new google.maps.Marker({
			map: map,

			position: map.getCenter()
		});

		var contentString = 'Amsterdam';
		var infowindow = new google.maps.InfoWindow({
			content: contentString
		});

		google.maps.event.addListener(marker, 'click', function() {
			infowindow.open(map, marker);
		});

	} else {
		alert("Geocode was not successful for the following reason: " + status);
	}
});
</script>