<?php 
class postsController extends AppController{
	var $name = 'posts';
	var $helpers = array('Markitup');

	function index() {
		// ...
	}
	
	function preview($parser = '') {
		$this->layout = 'preview';
		$this->set('parser', $parser);		
		$this->set('content', $this->data);
		$this->autoRender = true;
	}
}
?>