var mapMarker = "<div id=\"mapmarker\"><strong>Samarind Limited</strong><br />Parkway Business Centre<br />Parkway<br />Deeside Industrial Park<br />Deeside<br />Flintshire CH5 2LE</div>" 

function createMarker(point) {
    var marker = new GMarker(point);
    GEvent.addListener(marker, "click", function() { marker.openInfoWindowHtml(mapMarker); });
    return marker;
}

function load() {
    if (GBrowserIsCompatible()) {
        var map = new GMap2(window.document.getElementById("gmap"));
        map.addControl(new GSmallMapControl());
        map.addControl(new GMapTypeControl());
        //map.addControl(new GOverviewMapControl());

        var point = new GLatLng(53.2265, -3.0134);
        map.setCenter(point, 10);

        map.addOverlay(createMarker(point));
        map.openInfoWindowHtml(point, mapMarker);
    }
}

window.onload = function() {
    load();
}

window.onunload = function() {
    GUnload();
}