var directionDisplay;
		var directionsService = new google.maps.DirectionsService();
		var location_map;
		
		function initializeMaps() {
		
		directionsDisplay = new google.maps.DirectionsRenderer();

		var location = new google.maps.LatLng(52.1517884607,0.135983322807);
		var centrepoint = new google.maps.LatLng(52.1517884607,0.135983322807);
		var location_options = {
			zoom: 11,
			center: centrepoint,
			mapTypeId: google.maps.MapTypeId.ROADMAP,
			mapTypeControl: true,
			navigationControl: true
		};

		location_map = new google.maps.Map(document.getElementById("map"), location_options);
		
		directionsDisplay.setMap(location_map);
 		directionsDisplay.setPanel(document.getElementById("panel"));

		
		var location_marker = new google.maps.Marker({
			position: location, 
			map: location_map,
			title:"Realnet Limited"
		});
		
		var location_info_html = "<div style=\"width: 275px; height: 150px;\"><h3 style=\"width: 275px\">Realnet Limited</h3><p style=\"width: 100px;\">The Studio<br>High Green<br>Great Shelford<br>Cambridge<br>Cambridgeshire<br>CB22 5EG<br><br>t: 01223 550800</p></div>";
		
		var location_info = new google.maps.InfoWindow({
			content: location_info_html
		});

		google.maps.event.addListener(location_marker, 'click', function() {
			location_info.open(location_map,location_marker);
		});
	}
	
	function overlayDirections()
	{
		var start = document.getElementById("postcode").value;
		var end = new google.maps.LatLng(52.1517884607,0.135983322807);
		var request = {
			origin:start, 
			destination:end,
			travelMode: google.maps.DirectionsTravelMode.DRIVING,
			unitSystem: google.maps.DirectionsUnitSystem.IMPERIAL,
			region: "GB"
		};
		directionsService.route(request, function(response, status) {
		if (status == google.maps.DirectionsStatus.OK) {
		  directionsDisplay.setDirections(response);
		}
		else
		{
			alert(status);	
		}
		});

		
	}