$(document).ready( function() {
	var latitude = '51.573889';
	var longitude = '0.257839';
	var zoom = 15;

	var latlng = new google.maps.LatLng(latitude,longitude);
	var myOptions = {
		mapTypeControl: false,
		zoom: 15,
		center: latlng,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	};
	var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

	var marker = new google.maps.Marker({
		position: latlng,
		title:"We are here"
	});
	marker.setMap(map);  
});