function index()
	{
		switch($this->uri->segment(2))
		{
			case 'lists':
				$this->lists();
			break;
			case 'view':
				$this->view();
			break;
			case 'write':
				$this->write();
			break;
			case 'delete':
				$this->delete();
			break;
			case 'edit':
				$this->edit();
			break;
			case 'reply_edit':
				$this->reply_edit();
			break;
			case 'download':
				$this->download();
			break;
			case 'move':
				$this->move();
			break;

			default:
				$this->lists();
			break;
		}
	}