public boolean saveLevel() {
		JumpIn j = new JumpIn(levelBeingBuilt);
		if (isValidGame(j)) {
			try {
				RandomAccessFile f = new RandomAccessFile(filePath, "rw");
				long length = f.length() - 1;
				byte b;
				do {
				  length -= 1;
				  f.seek(length);
				  b = f.readByte();
				} while(b != 10);
				f.setLength(length+1);
				f.close();
			} catch (Exception e) {
			}
				File file = new File(filePath);
				String xml =  j.toXML() + "\n</Levels>";
				FileWriter writer;
				try {
					if(Play.fileIsEmpty(filePath)) {
						xml = "<Levels>\n" + xml;
					}
					writer = new FileWriter(file, true);
					writer.write(xml);
					writer.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
				levelBeingBuilt.setLevel(levelBeingBuilt.getLevel()+1);
				return true;
		}
		return false;
	}