var map = new YMap(document.getElementById('map')); 
YEvent.Capture(map,EventsList.onEndGeoRSS, _endLoad);
map.drawZoomAndCenter("London, UK", 14);
map.addZoomLong();
map.addPanControl();
map.addOverlay(new YGeoRSS('http://allnationalanthems.com/etc/countries.xml'));

function _endLoad() {
   $("#loading").hide("slow");
   map.drawZoomAndCenter("London, UK", 14);
}