function initialize() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("contact-map"));
    var johnbetts = new GLatLng(51.499967,-0.243459);
    map.setCenter(johnbetts, 15);
    map.addControl(new GSmallMapControl());
    map.addControl(new GMapTypeControl());


	map.openInfoWindowHtml	(map.getCenter(),
	                   document.createTextNode("John Betts’ House"));
	
  }
}

window.onload = initialize;