SMap API - vrstva se značkami

HTML

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <script type="text/javascript" src="http://api4.mapy.cz/loader.js"></script>
    <script type="text/javascript">Loader.load();</script>
</head>

<body>
    <div id="m" style="height:380px"></div>
</body>
</html>

JavaScript

var center = SMap.Coords.fromWGS84(15.3684897, 50.7351750);
var m = new SMap(JAK.gel("m"), center, 13);
m.addDefaultLayer(SMap.DEF_BASE).enable();
m.addDefaultControls();

var layer = new SMap.Layer.Marker();
m.addLayer(layer);
layer.enable();

var options = {};
var marker = new SMap.Marker(center, "myMarker", options);
layer.addMarker(marker);