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

  // Call this function when the page has been loaded
  function initialize() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("map"));
    map.addControl(new GSmallMapControl());
    map.addControl(new GMapTypeControl());
    map.setCenter(new GLatLng(50.79281, -3.66129), 17);
    var point = new GLatLng(50.79281, -3.66129);
    marker = new GMarker(point);
    map.addOverlay(marker);
    marker.setImage("images/point.png");
    marker.openInfoWindowHtml("<div style='margin:5px; height:40px; text-align: center'><a target='_self'href='contact.html'><img src='images/bubble.png' /></a></div>",{maxWidth:100}); 
    GEvent.addListener(marker, "click", function() {
      marker.openInfoWindowHtml("<div style='margin:5px; height:40px; text-align: center'><a target='_self'href='contact.html'><img src='images/bubble.png' /></a></div>",{maxWidth:100}); 
  ;
    });
  }
}
  google.setOnLoadCallback(initialize);