All the sudden..it stopped working

here is the full code. where the “other recent post” repeats.

<div id="content">

				<div class="home-post-list-1">

					<h3 class="home-post-list">Other Recent Articles</h3>

<?php if (have_posts()) : while (have_posts()) : the_post();
if( $post->ID == $do_not_duplicate[$post->ID] ) continue; ?>
<?php $post_class = ('home-post-1' == $post_class) ? 'alt-home-post-1' : 'home-post-1'; ?>

					<div class="<?php echo $post_class; ?>" id="post-<?php the_ID(); ?>">

						<h2><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>"><?php the_title(); ?></a></h2>

<?php include (TEMPLATEPATH . '/postinfo.php'); ?>

						<div class="entry clearfix">
							<?php the_content(''); ?>
							<div><a class="more-link" href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>">Continue Reading</a></div>
						</div>

					</div>

<?php endwhile; endif; ?>

<?php include (TEMPLATEPATH . '/bot-nav.php'); ?>

				</div>
<br />
<div id="content">
<div class="home-post-list-1">

<h3 class="home-post-list">Recent Articles</h3>
		<?php $recent = new WP_Query("cat=1&showposts=4"); while($recent->have_posts()) : $recent->the_post();?>

            <a style="float:left;margin:10px;" href="<?php the_permalink() ?>" rel="bookmark"><?php echo get_the_image(array('Thumbnail','My Thumbnail'),'thumbnail','/wp-content/my-image.jpg'); ?> </a>            <b><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></b>
           <p><font color="4dc5d6">By <?php the_author(); ?> ~ <?php the_time('F j, Y'); ?></font>  <font size="1"><?php comments_popup_link('Comments', '1 Comment', '% Comments'); ?></font></p>
            <?php the_excerpt(); ?> 

            <div style="border-bottom:2px dotted #f5851f; margin-bottom:10px; padding:10px; clear:both;"></div>

            <?php endwhile; ?>
</div>
</div>

<?php } else { // Do stuff specific to non-first page ?>

			<div id="content">

				<div class="home-post-list-1">

					<h3 class="home-post-list">Other Recent Articles</h3>

<?php if (have_posts()) : while (have_posts()) : the_post();
if( $post->ID == $do_not_duplicate[$post->ID] ) continue; ?>
<?php $post_class = ('home-post-1' == $post_class) ? 'alt-home-post-1' : 'home-post-1'; ?>

					<div class="<?php echo $post_class; ?>" id="post-<?php the_ID(); ?>">

						<h2><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>"><?php the_title(); ?></a></h2>

<?php include (TEMPLATEPATH . '/postinfo.php'); ?>

						<div class="entry clearfix">
							<?php the_content(''); ?>
							<div><a class="more-link" href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>">Continue Reading</a></div>
						</div>

					</div>

<?php endwhile; endif; ?>

<?php include (TEMPLATEPATH . '/bot-nav.php'); ?>

				</div>