function initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(	50.3775752,	-4.1382052), 14);
		map.setMapType(G_NORMAL_MAP);
        //map.setUIToDefault();
		map.addControl(new GSmallMapControl());
 // Create a base icon for all of our markers that specifies the
        // shadow, icon dimensions, etc.
        var baseIcon = new GIcon(G_DEFAULT_ICON);
        
        baseIcon.iconSize = new GSize(30, 30);
      //  baseIcon.shadowSize = new GSize(50, 34);
        baseIcon.iconAnchor = new GPoint(15, 15);
        baseIcon.infoWindowAnchor = new GPoint(20, 7);
		
		baseIcon.imageMap = [0, 0 , 30 , 0, 30, 30, 0 , 30]; //defines clickable area

		
		 function createMarker(point, pin, description) {
		 
		var Icon = new GIcon(baseIcon);
		Icon.image = "img/mappins/" + pin + ".png";
		Icon.shadow = '';
		markerOptions = { icon:Icon };
        var marker = new GMarker(point, markerOptions);
		
		GEvent.addListener(marker, "click", function() {
            marker.openInfoWindowHtml(description);
          });
          return marker;
		}
		
		 var latlng = new GLatLng(	50.3775752,	-4.1382052);
		 var pin = "parkhurst";
		 var des = "<img src='img/maplogo.png' alt='Parkhurst Hill' /><div class='mapaddress'>Parkhurst Hill<br/>Torrington Chambers<br />58 North Road East<br />Plymouth, Devon<br/>PL4 6AJ<br/><br/>Telephone: 01752 666601/6644217 </div> ";
		map.addOverlay(createMarker(latlng, pin, des));
		
		

		

      }
    }