Onafterupdatehtml=function Onafterupdatehtml(sender)
{
  
    // Finally we create the map
    mapnik=new OpenLayers.Layer.OSM();
    yahooLayer = new OpenLayers.Layer.Yahoo( "Yahoo",{'sphericalMercator': true});
    googleLayer = new OpenLayers.Layer.Google("Google Map", {sphericalMercator:true, numZoomLevels: 21});
    olMap = new OpenLayers.Map({
        div: 'uni_map_canvas', 
        projection: 'EPSG:900913',
        displayProjection: "EPSG:4326",
        controls: [new OpenLayers.Control.Navigation(),
                   new OpenLayers.Control.PanZoomBar(),
                   new OpenLayers.Control.Attribution()],
        layers: [mapnik,yahooLayer,googleLayer]    
    });
    olMap.setCenter(new OpenLayers.LonLat(0, 0), 11); 
    stateLayer = new OpenLayers.Layer.Vector("devices state", {});
    olMap.addLayer(stateLayer);
    olMap.setBaseLayer(googleLayer);     
}