php - What's wrong with this code? (unexpected $end on last line) -

<?php /* template name: videos */ ?>  <?php get_header();?>      <section id="content">         <section id="main">             <?php                  $c=0;                 $i=1;                  $temp = $wp_query;                 $wp_query = null;                 $wp_query = new wp_query();                 $wp_query->query('post_type=videos' . '&paged=' . $paged . '&posts_per_page=16');                  while ( $wp_query->have_posts() ) : $wp_query->the_post(); $c++;             ?>              <?php if (have_posts()) : ?>                  <?php while (have_posts()) : the_post(); $c++; ?>                     <article class="post<?php if($i%4 == 0) { echo ' right'; }; $i++; ?>" id="post-<?php the_id(); ?>">                         <section class="entry">                             <a href="<?php the_permalink() ?>" rel="bookmark" title="permanent link <?php the_title_attribute(); ?>"><?php if ( has_post_thumbnail() ) { the_post_thumbnail( 'video-thumb' ); } ?></a>                         </section>                         <section class="description">                             <h2><a href="<?php the_permalink() ?>" rel="bookmark" title="permanent link <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>                         </section>                     </article>                  <?php                     endwhile;                      wp_pagenavi();                     $wp_query = null;                     $wp_query = $temp;                     wp_reset_query();                 ?>                  <?php if( $c < 16 ) : ($dummy= $c; $dummy < 16; $dummy++) : ?>                      <article class="post<?php if($i%4 == 0) { echo ' right'; }; $i++; ?>" id="post-<?php the_id(); ?>">                         <img src="<?php bloginfo('template_url'); ?>/images/dummy-video.gif" alt="post coming soon!" />                     </article>                      <?php endfor;?>                  <?php endif;?>              <?php endif; ?>              <section id="map">                 <img src="<?php bloginfo('template_url') ?>/images/interactive-map.jpg" alt="interactive map" />             </section>         </section>  <?php get_sidebar(); ?>      </section>  <?php get_footer(); ?> 

here's pastebin version: http://pastebin.com/2grja48u

i think you're missing endwhile; first while statement.