Loop custom posts in wordpress

<?php

$temp = $wp_query;

$wp_query = null;

$wp_query = new WP_Query();

$wp_query->query(‘showposts=6&post_type=name_custom_post’.’&paged=’.$paged);

if ($wp_query->have_posts()) : ?>

<?php while ($wp_query->have_posts()) : $wp_query->the_post(); ?>

<div class=”entry”>

<h2><a href=”<?php the_permalink(); ?>”><?php the_title(); ?></a></h2>

<?php the_excerpt(); ?>

</div>

<?php endwhile; ?>

<div class=”navigation”>

<div class=”alignleft”><?php next_posts_link(‘&laquo; Older Entries’) ?></div>

<div class=”alignright”><?php previous_posts_link(‘Newer Entries &raquo;’) ?></div>

</div>

<?php $wp_query = null; ?>

<?php $wp_query = $temp;  ?>

<?php else : ?>

<h2>Not Found</h2>

<p>Sorry, but you are looking for something that isn’t here.</p>

<?php endif; ?>

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