$today = date('Y/m/d');
$arg = array(
		'post_type' => 'works',
		'meta_query' => array(
			array(	'key'=> 'end',
				'value'=> $today,
				'compare'=>'>=',
				'type'=>'DATE'
				)
			),
		'paged' => get_query_var('paged'),
		'posts_per_page' => '5'
);
$posts = query_posts($arg);