function allMap() {
	map = new GMap2(document.getElementById("allMap"));
	map.addControl(new GLargeMapControl());
	map.addControl(new GScaleControl());
	map.setMapType(G_HYBRID_MAP);
	map.addControl(new GMapTypeControl());
	map.enableContinuousZoom();
	map.enableDoubleClickZoom();
	map.enableScrollWheelZoom();
	map.setCenter(new GLatLng(31.9, 111.960), 5);
var xmlAll = new GGeoXml("http://www.chinabrt.org/kml/BRTcities.xml?"+(new Date()).getDate());
map.addOverlay(xmlAll);
}