function initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        var center = new GLatLng(30.686142, -97.572434);
        map.setCenter(center, 13);
        var marker = new GMarker(center, {draggable: true});
        GEvent.addListener(marker, "dragstart", function() {
          map.closeInfoWindow();
        });
        GEvent.addListener(marker, "dragend", function() {
          marker.openInfoWindowHtml("Just bouncing along...");
        });
        map.addOverlay(marker);
		  
        var mapTypeControl = new GMapTypeControl();
        var topRight = new GControlPosition(G_ANCHOR_TOP_RIGHT, new GSize(10,10));
        var bottomRight = new GControlPosition(G_ANCHOR_BOTTOM_RIGHT, new GSize(10,10));
        map.addControl(mapTypeControl, topRight);
		  
        GEvent.addListener(map, "dblclick", function() {
          map.removeControl(mapTypeControl);
          map.addControl(new GMapTypeControl(), bottomRight);
        });
        map.addControl(new GSmallMapControl());
      }
    }