What's the best way to inclue header and footer in view?

[eluser]yyang[/eluser]
I did something like this in my code.

In controller

Code:

$data['subview']='xxx';
$this->load->view('main', $data);

In view/main.php

Code:

<some header>
&lt;? include $subview . EXT; ?&gt;
<some footer>