// Local functions to support the Google Map accessed through the API


function initialize() {
      if (GBrowserIsCompatible()) {
	  
        var map = new GMap2(document.getElementById("map_canvas"));
		
		map.addControl(new GLargeMapControl());		
        map.setCenter(new GLatLng(52.1686676726147, -0.6955718994140625), 13);
 
		// Create a base icon for all of our markers that specifies the
        // shadow, icon dimensions, etc.
        var baseIcon = new GIcon();
        baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
        baseIcon.iconSize = new GSize(20, 34);
        baseIcon.shadowSize = new GSize(37, 34);
        baseIcon.iconAnchor = new GPoint(9, 34);
        baseIcon.infoWindowAnchor = new GPoint(9, 2);
        baseIcon.infoShadowAnchor = new GPoint(18, 25);
		
		
		// Creates a marker whose info window displays the letter corresponding
        // to the given index.
        function createMarker(point, index, siteAddress) {
          // Create a lettered icon for this point using our icon class
          var letter = String.fromCharCode("A".charCodeAt(0) + index);
          var letteredIcon = new GIcon(baseIcon);
          letteredIcon.image = "http://www.google.com/mapfiles/marker" + letter + ".png";

          // Set up our GMarkerOptions object
          markerOptions = { icon:letteredIcon };
          var marker = new GMarker(point, markerOptions);

          // GEvent.addListener(marker, "click", function() { marker.openInfoWindowHtml("Marker <b>" + letter + "</b>");});
          GEvent.addListener(marker, "click", function() { marker.openInfoWindowHtml(siteAddress);});

		  return marker;
        }

 
 
        // var bounds = map.getBounds();
        // var southWest = bounds.getSouthWest();
        // var northEast = bounds.getNorthEast();
        // var lngSpan = northEast.lng() - southWest.lng();
        // var latSpan = northEast.lat() - southWest.lat();
        var shop = new GLatLng(52.15950679310183, -0.7009363174438477);
		var barn = new GLatLng(52.17677400436818, -0.6875038146972656);
        //map.addOverlay(new GMarker(shop));
        
		map.addOverlay(createMarker(shop, 0, "13 Midland Road<br>Olney<br>Bucks"));
		map.addOverlay(createMarker(barn, 1, "This is the barn address"));

      }
    }