public void saveTreasureSpots() throws IOException
    {  	
    	FileOutputStream fos = new FileOutputStream(TreasureHunt.getInstance().getDataFolder() + "/treasureLocations.xml");
    	if(fos == null) return;
    	ObjectOutputStream oos = new ObjectOutputStream(fos);
    	if(oos == null) return;
    	oos.writeObject(possibleLocations);
    	oos.close();
 
    }