Need help on WordPress Template

<?php get_header(); ?>
  <div id="container">
    <div id="leftnav">
	  <?php get_sidebar(); ?>
    </div>
    <div id="rightnav">
	  <?php include (TEMPLATEPATH . '/sidebar2.php'); ?>
	</div>
    <div id="content">
	<?php if (have_posts()) : ?>
		<?php while (have_posts()) : the_post(); ?>
			<div class="post" id="post-<?php the_ID(); ?>">
				<div class="date"> <?php the_time('F j, Y'); ?> |
				</div> <h3><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>"><?php the_title(); ?></a></h3>
				<div class="entry">
					<?php the_content ('Continue Reading &raquo;'); ?>
				</div>
				<p class="postmetadata">Posted in <?php the_category(', ') ?> <strong>|</strong> <?php edit_post_link('Edit',' ','<strong> |</strong>'); ?>  <?php comments_popup_link('No Comments &#187;', '1 Comment &#187;', '% Comments &#187;'); ?> Posted by: <?php the_author() ?></p>
			</div>
		<?php endwhile; ?>
		<div class="navigation">
			<div class="alignleft"><?php next_posts_link('&laquo; Previous Entries') ?></div>
			<div class="alignright"><?php previous_posts_link('Next Entries &raquo;') ?></div>
		</div>
	<?php else : ?>
		<h2 class="center">Not Found</h2>
		<p class="center">Sorry, but you are looking for something that isn't here.</p>
		<?php include (TEMPLATEPATH . "/searchform.php"); ?>
	<?php endif; ?>
    </div>
</div>
<?php get_footer(); ?>