var map = null;
function configBaseMap()
{
	SWMap.mapScales = new Array(5000000,2500000,1500000,1000000,500000,200000);
	var albers = new ChinaAlbersProjection();
	var wgs84 = new WGS84();
	//存储比例尺与投影的对应关系
	SWMap.projections.add(5000000,wgs84);
	SWMap.projections.add(2500000,wgs84);
	SWMap.projections.add(1500000,wgs84);
	SWMap.projections.add(1000000,wgs84);
	SWMap.projections.add(500000,wgs84);
	SWMap.projections.add(200000,wgs84);
	//经纬度坐标系统 WGS84
	SWMap.units = 3;
	SWMap.resolution = 96; 
	map = new MapType( '地图');
	//map.setDefaultExtent(72,5,140,50);
	map.setDefaultExtent(106.554,24.663,116.495,29.811);
	var lyr = new MapLayer( 'china', true, 100 );
	lyr.tileURL = "tile/Tile.asp";
	SWMap.baselayer = lyr;
	map.addLayer( lyr);
	
}
function configOverLayer()
{
	var wmslyr = new WMSLayer("hb",false,100,true,"WMSCache/GetCache.aspx?","wms","","1.3.0","EPSG:4326");
	SWMap.wmslayer = wmslyr;
	map.addLayer(wmslyr);
}