google.load("maps", "2.x");

function initialize() {

    var map = new google.maps.Map2(document.getElementById("map"),
    // velikost mapy
    {
        size: new GSize(620,260)
    } );

    map.setUIToDefault();
    // souradnice
    map.setCenter(new google.maps.LatLng(50.02538,15.771901), 12);

//    var bounds = map.getBounds();

    // marker
    var point1 = new GLatLng(50.02538,15.771901);
    map.addOverlay(new GMarker(point1));
}
google.setOnLoadCallback(initialize);
google.load("maps", "2");