function showMap()
{
var baseURL = "http://"+document.location.host+"/mapviewer";
var mapCenterLon = -122.45;
var mapCenterLat = 37.6706;
var mapZoom = 3;
var mpoint = MVSdoGeometry.createPoint(mapCenterLon,mapCenterLat,8307);
var mapview = new MVMapView(document.getElementById("map"), baseURL);
mapview.addMapTileLayer(new MVMapTileLayer("mvdemo.demo_map"));
mapview.setCenter(mpoint);
mapview.setZoomLevel(mapZoom);
// Create a marker FOI with a dynamic marker style
var markerStyle = new MVStyleMarker("my_vector_icon", "vector");
markerStyle.setStrokeColor("ff0000");
markerStyle.setFillColor("00ff00");
markerStyle.setVectorShape("c:50");
var marker = new MVFOI("markerfoi", mpoint, markerStyle, null, 20, 20) ;
mapview.addFOI(marker);
// Create a rectangle FOI with a dynamic color style
var colorStyle = new MVStyleColor("my_color_style", "ff0000", "0000FF");
var polygon = MVSdoGeometry.createRectangle(-122.80, 37.60, -122.50, 37.80,8307) ;
var rect = new MVFOI("rectfoi", polygon, colorStyle) ;
mapview.addFOI(rect);
mapview.addNavigationPanel("WEST");
mapview.display();
}