function initialize() {
		if (GBrowserIsCompatible()) {
        	var map = new GMap2(document.getElementById("map_canvas"));
        	map.setCenter(new GLatLng(18.000, -67.000), 9);
			map.addControl(new GMapTypeControl());
			map.addControl(new GOverviewMapControl());
			map.addControl(new GSmallMapControl());
			map.addControl(new GScaleControl());
			map.enableScrollWheelZoom();
		
			GDownloadUrl("http://www.caricoos.org/app/smart_ais/data.php", function(data) {
				var xml = GXml.parse(data);
		  		var ships = xml.documentElement.getElementsByTagName("ship");
				var m=0;
		  		for (var i = 0; i < ships.length; i++) {
					var shipTrailPoints = ships[i].getElementsByTagName("trail_point");
					var trailVertices = new Array();
					for (var j=0; j < shipTrailPoints.length; j++) 
						trailVertices[j] = new GLatLng( parseFloat(shipTrailPoints[j].getAttribute("latitude")),
						 						    parseFloat(shipTrailPoints[j].getAttribute("longitude")) );
					var polyline = createTrail(trailVertices, "#ff0000", 5);
					map.addOverlay(polyline);
					//Add ship marker
					var last_index =shipTrailPoints.length -1;
					var lastShipComm = shipTrailPoints[0];
					var shipData = new Array();
					//shipData['mmsi'] 	= ships[i].getAttribute("mmsi");
					shipData['rot']  	= lastShipComm.getAttribute("rot");
					shipData['cog'] 	= lastShipComm.getAttribute("cog");
					shipData['sog'] 	= lastShipComm.getAttribute("sog");
					shipData['lat'] 	= lastShipComm.getAttribute("latitude");
					shipData['lon'] 	= lastShipComm.getAttribute("longitude");
					shipData['eta'] 	= lastShipComm.getAttribute("eta");
					//Static Vessel Data
					shipData['ship_name'] 	= ships[i].getAttribute("name");
					shipData['ship_type'] 	= ships[i].getAttribute("ship_type");
					//shipData['callsign']	= ships[i].getAttribute("callsign");
					shipData['destination'] = lastShipComm.getAttribute("destination");
					shipData['draught'] 	= ships[i].getAttribute("draught");
                    shipData['loa'] 		= ships[i].getAttribute("loa");
					//
					shipData['last_communication'] = lastShipComm.getAttribute("created");
					var shipMarker = createTrailMarker( new GLatLng( parseFloat(shipTrailPoints[0].getAttribute("latitude")),
					 						    parseFloat(shipTrailPoints[0].getAttribute("longitude")) ), shipData);
										
//					var shipMarker = createTrailMarker( new GLatLng( parseFloat(shipTrailPoints[last_index].getAttribute("latitude")),
//					 						    parseFloat(shipTrailPoints[last_index].getAttribute("longitude")) ), shipData);
					map.addOverlay(shipMarker);
				}
				
			});
			//Now the FURA Map
				var mapFURA = new GMap2(document.getElementById("map_fura_canvas"));
				mapFURA.setCenter(new GLatLng(18.000, -67.000), 9);
				mapFURA.addControl(new GMapTypeControl());
				mapFURA.addControl(new GOverviewMapControl());
				mapFURA.addControl(new GSmallMapControl());
				mapFURA.addControl(new GScaleControl());
				mapFURA.enableScrollWheelZoom();

				GDownloadUrl("http://www.caricoos.org/app/smart_ais/data_fura.php", function(data) {
					var xml = GXml.parse(data);
					var ships = xml.documentElement.getElementsByTagName("ship");
					var m=0;
					for (var i = 0; i < ships.length; i++) {
						var shipTrailPoints = ships[i].getElementsByTagName("trail_point");
						var trailVertices = new Array();
						for (var j=0; j < shipTrailPoints.length; j++) 
							trailVertices[j] = new GLatLng( parseFloat(shipTrailPoints[j].getAttribute("latitude")),
							 						    parseFloat(shipTrailPoints[j].getAttribute("longitude")) );
						var polyline = createTrail(trailVertices, "#ff0000", 5);
						mapFURA.addOverlay(polyline);
						//Add ship marker
						var last_index =shipTrailPoints.length -1;
						var lastShipComm = shipTrailPoints[0];
						var shipData = new Array();
						//shipData['mmsi'] 	= ships[i].getAttribute("mmsi");
						shipData['rot']  	= lastShipComm.getAttribute("rot");
						shipData['cog'] 	= lastShipComm.getAttribute("cog");
						shipData['sog'] 	= lastShipComm.getAttribute("sog");
						shipData['lat'] 	= lastShipComm.getAttribute("latitude");
						shipData['lon'] 	= lastShipComm.getAttribute("longitude");
						shipData['eta'] 	= lastShipComm.getAttribute("eta");
						//Static Vessel Data
						shipData['ship_name'] 	= ships[i].getAttribute("name");
						shipData['ship_type'] 	= ships[i].getAttribute("ship_type");
						//shipData['callsign']	= ships[i].getAttribute("callsign");
						shipData['destination'] = lastShipComm.getAttribute("destination");
						shipData['draught'] 	= ships[i].getAttribute("draught");
				        shipData['loa'] 		= ships[i].getAttribute("loa");
						//
						shipData['last_communication'] = lastShipComm.getAttribute("created") + "(GMT)";
						var shipMarker = createTrailMarker( new GLatLng( parseFloat(shipTrailPoints[0].getAttribute("latitude")),
						 						    parseFloat(shipTrailPoints[0].getAttribute("longitude")) ), shipData);

				//					var shipMarker = createTrailMarker( new GLatLng( parseFloat(shipTrailPoints[last_index].getAttribute("latitude")),
				//					 						    parseFloat(shipTrailPoints[last_index].getAttribute("longitude")) ), shipData);
						mapFURA.addOverlay(shipMarker);
					}

				});
		}
    }
function createTrail(verticesArray, color, size) {

	var poly =  new GPolyline(verticesArray, color, size);
	return poly;
}
function createTrailMarker(point, shipData) {
	//Ship Marker
	var shipMarker = new GMarker(point, shipIcon);
	//Ship Icon
	var shipIcon = new GIcon();
	var cog = parseFloat(shipData['cog']);
	//convert from geographical degrees to mathematical degrees and calculate the icon sub-i
	var icon_i = 37 - (Math.round( ((450-cog)%360) /10) + 1); 
	if (icon_i >= 37)
		icon_i = 1;
	shipIcon.image = "http://www.caricoos.org/app/aislocator/icons/"+icon_i+".png";
	shipIcon.iconSize = new GSize(32,32);
	shipIcon.iconAnchor = new GPoint(16,16);
	shipIcon.infoWindowAnchor = new GPoint(16,16);
	//Ship Marker
	var shipMarker = new GMarker(point, shipIcon);
	var html = '<table><tr><th colspan="2">Vessel Information</th></tr>';
	if (shipData['ship_name'] != null && shipData['ship_name'] != 'None')
		html	+= '<tr><th>Ship Name:</th><td>'+shipData['ship_name']+'</td></tr>';
	//if (shipData['callsign'] != null && shipData['callsign'] != 'None')
		//html	+= '<tr><th>Callsign:</th><td>'+shipData['callsign']+'</td></tr>';
	if (shipData['destination'] != null && shipData['destination'] != 'None')
		html	+= '<tr><th>Destination:</th><td>'+shipData['destination']+'</td></tr>';
	if (shipData['eta'] != null && shipData['eta'] != 'None')
		html	+= '<tr><th>Estimated Time of Arrival:</th><td>'+shipData['eta']+'</td></tr>';
	if (shipData['draught'] != null && shipData['draught'] != 'None')
		html	+= '<tr><th>Draught:</th><td>'+shipData['draught']+' m</td></tr>';
	//This data will always be present, no need to check
	//html	+= '<tr><th>MMSI:</th><td>'+shipData['mmsi']+'</td></tr>';
	html	+= '<tr><th colspan="2">&nbsp;</th></tr>'
	html	+= '<tr><th>Course Over Ground:</th><td>'+shipData['cog']+'</td></tr>';
	html	+= '<tr><th>Speed Over Ground:</th><td>'+shipData['sog']+' kts</td></tr>';
	//html	+= '<tr><th>Rate of Turn:</th><td>'+shipData['rot']+'</td></tr>';
	html	+= '<tr><th>Latitude:</th><td>'+shipData['lat']+'</td></tr>';
	html	+= '<tr><th>Longitude:</th><td>'+shipData['lon']+'</td></tr>';
    html	+= '<tr><th>LOA:</th><td>'+shipData['loa']+'m</td></tr>';
	html	+= '<tr><th>LAST COMMUNICATION:</th><td>'+shipData['last_communication']+'</td></tr>';
	html	+= '</table>';
	GEvent.addListener(shipMarker, 'click', function() {
	    shipMarker.openInfoWindowHtml(html);
	  });
	return shipMarker;

}