public static void loadSigns(){

		File fichier_signs = new File(OneInTheChamber.instance.getDataFolder() + File.separator + "Signs.yml");
		YamlConfiguration signsFile = YamlConfiguration.loadConfiguration(fichier_signs);

		if(ArenaManager.getArenaManager().getArenas() != null){
			for(Arena arena : ArenaManager.getArenaManager().getArenas()){
				if(signsFile.contains("Arenas." + arena.getName() + ".Signs")){
					List<String> locsSigns = signsFile.getStringList("Arenas." + arena.getName() + ".Signs");
					ArrayList<Sign> signsList = new ArrayList<Sign>();
					for(String locSign : locsSigns){
						Location loc = LocationManager.stringToLoc(locSign);
						if(loc.getBlock().getState() instanceof Sign){
							signsList.add((Sign)loc.getBlock().getState());
						}
					}
					signs.put(arena, signsList);
				}
			}
		}
	}