function initialize() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("contact-map"));
    var sycamore = new GLatLng(51.500929,-0.229817);
    map.setCenter(sycamore, 15);
    map.addControl(new GSmallMapControl());
    map.addControl(new GMapTypeControl());

   	map.openInfoWindow(map.getCenter(),
	                   document.createTextNode("Sycamore House"));
  }
}

window.onload = initialize;