window.onload = load;

function load() {

      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map"));
        map.addControl(new GSmallMapControl());
        map.addControl(new GMapTypeControl());
        map.setCenter(new GLatLng(43.131965,-2.975224), 15);

        var point = new GLatLng(43.131965,-2.975224);


function createMarker(point, number) {
  var marker = new GMarker(point);
  GEvent.addListener(marker, "click", function() {
    marker.openInfoWindowHtml("<b>Arama Berniztapenak, S.L</b><br /><br />Tejer&iacute;a, 4 - 3 C<br />Ap. Correos 20<br />01400 Laudio (Araba)<br /><a href=\"mailto:info@aramasl.com\">info@aramasl.com</a>");
  });
  return marker;
}

map.addOverlay(createMarker(point));

     } 
}