function upload()
	{
		$id = $this->save();
		$config['upload_path'] = './files';
		$config['allowed_types'] = 'zip';
		$config['encrypt_name'] = TRUE;
		$config['id_design'] = $id;
		$config['type'] = 'designs';
		$this->load->library('upload', $config);

		if ( ! $this->upload->do_upload('file'))
		{
			echo $this->upload->display_errors();
		}
		else
		{
			$data = $this->upload->zip_files();
			$this->savefiles($data, $id);
		}
	}