function initialize() {
  if (GBrowserIsCompatible()) {    
    var map = new GMap2(document.getElementById("googlemaps"));
    map.setCenter(new GLatLng(51.071357, -4.127965), 13);
    var point = new GLatLng(51.071357, -4.127965);
    var marker_headoffice = new GMarker(point);
    GEvent.addListener(marker_headoffice, "click", function() {
        marker_headoffice.openInfoWindowHtml("<div align='center'><strong>Finishing Touch Flooring Ltd.</strong><br />28 Elmlea Avenue<br/>Fremington<br/>Barnstaple<br />Devon<br />EX31 3DF<br />Tel: 01271  378218<br />Chris: 07811 268894<br />Richard: 07725 316148</div>");
    })
    map.addOverlay(marker_headoffice);
    map.setUIToDefault();   
  }
}