Magic code

  Player p = (Player)e.getWhoClicked();
  if ((p.hasPermission("ItemGUI.Open")) && (e.getClickedInventory().getTitle().equals(ChatColor.BLUE + "Staff GUI")) && (e.getCurrentItem() != null) && (e.getCurrentItem().getItemMeta().hasDisplayName()))
  {
    if (e.getCurrentItem().getItemMeta().getDisplayName().equals(ChatColor.BOLD + "Clear Chat"))
    {
      for (int i = 0; i < 100; i++) {
        Bukkit.broadcastMessage(" ");
      }
      Bukkit.broadcastMessage(ChatColor.YELLOW + "Chat has been cleared by " + ChatColor.RED + ChatColor.BOLD + p.getName() + " " + ChatColor.YELLOW + ChatColor.BOLD + "!");
    }
    else if ((e.getCurrentItem().getItemMeta().getDisplayName().equals("" + ChatColor.RED + ChatColor.BOLD + "Mute Chat")) || (e.getCurrentItem().getItemMeta().getDisplayName().equals("" + ChatColor.RED + ChatColor.BOLD + "Unmute Chat")))
    {
      if (this.mute)
      {
        this.mute = false;
        p.sendMessage("" + ChatColor.RED + ChatColor.BOLD + "Chat is now" + ChatColor.GREEN + ChatColor.BOLD + " unmuted!");
      }
      else
      {
        this.mute = true;
        p.sendMessage("" + ChatColor.RED + ChatColor.BOLD + "Chat is muted!");
      }
    }