function initialize() {
 		     if (GBrowserIsCompatible()) {
		        var map = new GMap2(document.getElementById("map_canvas"));
		        map.setCenter(new GLatLng(41.16010773, -79.07921552), 15);
		        map.setUIToDefault();

				// Create a base icon for all of our markers that specifies the
				// shadow, icon dimensions, etc.
				var baseIcon = new GIcon(G_DEFAULT_ICON);
				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);

				// Creates a marker whose info window displays the letter corresponding
				// to the given index.
				function createMarker(point, index) {
				  // Create a lettered icon for this point using our icon class
				  var letter = String.fromCharCode("Y".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("Brookville YMCA - 125 Main Street, Brookville, PA");
				  });
				  return marker;
				}
				
				// Add 10 markers to the map at random locations
				var bounds = map.getBounds();
				var southWest = bounds.getSouthWest();
				var northEast = bounds.getNorthEast();
				var lngSpan = northEast.lng() - southWest.lng();
				var latSpan = northEast.lat() - southWest.lat();
				for (var i = 0; i < 1; i++) {
				  var point = new GLatLng(41.16010773, -79.07921552);
				  map.addOverlay(createMarker(point, i));
				}
				      }
				    }