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

function GLoad()
{
  if (GBrowserIsCompatible())
  {
    //init map
    var map = new GMap2(document.getElementById("map"));
    map.setCenter(new GLatLng(52.951023,-1.142642), 16);
    
    //init point
    var point = new GLatLng(52.951023,-1.142642);
    var marker = createMarker(point,'<div id="google_maps_description">Atomic Media<br /> 50 High Pavement, The Lace Market,<br /> Nottingham, NG1 1HW<br /><a href="http://maps.google.co.uk/maps?saddr=&daddr=NG1+1HW" target ="_blank">Click here to get directions</a></div>')
    map.addOverlay(marker);
    
    //click it
    GEvent.trigger(marker, 'click');
  }
}