public static void loadDir(File file){
		File[] children = file.listFiles();
	    if (children != null) {
	        for (File child : children) {
	            if(child.isDirectory()){
	            	loadDir(child);
	            	continue;
	            }
	            String fileName = child.getName();
	            String fname="";
	            String ext="";
	            int mid= fileName.lastIndexOf(".");
	            fname=fileName.substring(0,mid);
	            ext=fileName.substring(mid+1);
	            System.out.println("  Found level: "+fname+" . "+ext);
	            if(ext.toLowerCase().equals("bmp")){
	        		levels.add(new LevelInformation("+ "+fname, child.getPath(),false));
	            }
	        }
	    }
	}