public function delete($segment_one = '', $segment_two = '')
	{
		if ($segment_one === '')
		{
			$segment_one  = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
		}

		if ($segment_two === '')
		{
			$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
		}

		$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
		delete_files($dir_path, TRUE);
	}