private static MapContext single;
private void init(){
System.out.println("�������е�ͼ");
XMLdoc doc = new XMLdoc("res/map/map_list.xml");
doc.openXML();
Element root = doc.getRootElement();
for(Iterator<?> itr = root.elementIterator();itr.hasNext();){
Element em = (Element) itr.next();
Attribute index = em.attribute("map_name");
System.out.println("�����ͼ "+index.getValue()+".....");