Method to set Navigations in a Teleporter Menu

	public static void SetNavigation(String name, Material itemid, int guiposition) {

		ItemStack item = new ItemStack (itemid);
		ItemMeta itemMeta = item.getItemMeta();
		itemMeta.setDisplayName(name);
		itemMeta.setLore(null);
		item.setItemMeta(itemMeta);

		LobbyItems.navigatorInventory.setItem(guiposition, item);

	}

	@Override
	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {

		Player p = (Player) sender;

		if (p.hasPermission("lobbysystem.setnavigation")) {

		if (cmd.getName().equalsIgnoreCase("setnavigation")) {

			if (args.length == 3) {

				String name = args[0];

				Material itemid = Material.valueOf(args[1]);

				int guiposition = Integer.valueOf(args[2]);

				Files.CheckFileExists(Files.navigations);

				Files.navigationscfg.set("Navigations." + name + ".Item-ID", itemid);

				Files.navigationscfg.set("Navigations." + name + ".Slot", guiposition);

				SetNavigation(name, itemid, guiposition);

			} else {

				p.sendMessage(ChatColor.translateAlternateColorCodes('&', pl.getConfig().getString("ArgumentsError")));

			}

		}

		} else {

			p.sendMessage(ChatColor.translateAlternateColorCodes('&', pl.getConfig().getString("NoPermissions")));

		}

		return false;
	}