Show more button on a loop

Dear all,

This is a loop I use to show posts, but i want to add a button to show 10 more and below another button “show more” and if pressed it shows another 10 posts.. how do i get this done? There are plugins but they dont work with these loops…

<?php query_posts( ‘posts_per_page=10&orderby=post_date&order=desc&offset=5’ ); ?>

<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>

<article id=”post-<?php the_ID(); ?>” class=”tile more-news-item”>
<div class=”thumbnail”>
” alt=”<?php the_title(); ?>”><?php the_post_thumbnail(‘thumbnail’, array(‘title’ => ”)); ?>
</div><!– / .thumbnail –>

<div class=”info”>
<h3>” alt=”<?php the_title(); ?>”><?php the_title(); ?></h3>
</div><!– / .info –>

<div class=”clear”></div>
</article><!– / #post-<?php the_ID(); ?> .tile .more-news-item –>

<?php endwhile; endif; ?>

<?php wp_reset_query(); ?>