function initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map"));
        map.setCenter(new GLatLng(51.530000,-0.105983), 12);
		var marker = new GMarker(new GLatLng(51.522957,-0.105983));
		map.addOverlay(marker);
		var html="<img src='http://essentialworks.co.uk/essentialworks/wp-content/themes/essential/_images/bg_h1_a.png' width='40' height='48' alt='Essential Works logo' id='ew_logo_map'>" + 
		 "<p><span class='standfirst'>Essential Works</span><br />" +
		 "29 Clerkenwell Green<br />" +
		 "London EC1R 0DU</p>";
		marker.openInfoWindowHtml(html);
		map.addControl(new GSmallMapControl());
      }
    }