function Onafterupdatehtml(sender)
{
  // The overlay layer for our marker, with a simple diamond as symbol
    overlay = new OpenLayers.Layer.Vector('Overlay', {
        styleMap: new OpenLayers.StyleMap({
            externalGraphic: '${img}',
            graphicWidth: 20, graphicHeight: 24, graphicYOffset: -24,
            title: '${tooltip}'
        })
    });
  //  alert('marko');
    var myLocation = new OpenLayers.Geometry.Point(10.2, 48.9).transform(new OpenLayers.Projection("EPSG:4326"), new OpenLayers.Projection("EPSG:3857"));
 //  map.setCenter(new OpenLayers.LonLat(-90, 38).transform(new OpenLayers.Projection("EPSG:4326"),map.getProjectionObject()),12); 
    
    // The location of our marker and popup. We usually think in geographic
    // coordinates ('EPSG:4326'), but the map is projected ('EPSG:3857').
    

    // We add the marker with a tooltip text to the overlay
    overlay.addFeatures([
        new OpenLayers.Feature.Vector(myLocation, {tooltip: 'OpenLayers', img: '/files/1run.png'})
    ]);

    // A popup with some information about our location
    var popup = new OpenLayers.Popup.FramedCloud("Popup", 
        myLocation.getBounds().getCenterLonLat(), null,
        '<a target="_blank" href="http://openlayers.org/">We</a> ' +
        'could be here.<br>Or elsewhere.', null,
        true // <-- true if we want a close (X) button, false otherwise
    );

    // Finally we create the map
    var mapnik=new OpenLayers.Layer.OSM();
  //  var yahoo = new OpenLayers.Layer.Yahoo("Yahoo");
    // and add the popup to it.
   
     map = new OpenLayers.Map({
        div: 'uni_map_canvas', projection: 'EPSG:3857',
        layers: [mapnik,overlay],
        center: myLocation.getBounds().getCenterLonLat(), zoom: 15
    });
    
    olMap = map;
    mapnikLayer=mapnik;
    map.addControl(new OpenLayers.Control.LayerSwitcher());
    map.addPopup(popup);
    alert('marko'); 
}