index.php

<?php get_header(); ?>

<div class="section content">
  <div class="row">
    <div class="content-primary">
      <div class="content-header">
        <h1 id="page-title"><span><?php the_title(); ?></span></h1>
        <?php if (has_post_thumbnail()) the_post_thumbnail(); ?>
      </div>
      <div class="skin">
        <?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
        <?php the_content(); ?>
        <?php wp_link_pages( array( 'before' => '' . __( 'Pages:', 'twentyten' ), 'after' => '' ) ); ?>
        <?php edit_post_link( __( 'Bearbeiten', 'twentyten' ), '', '' ); ?>
        <?php endwhile; ?>
      </div>
    </div>

    <div class="content-aside">
      <div class="skin">
        
        <?php wp_nav_menu( array( 'container_class' => 'menu-header', 'theme_location' => 'primary', 'walker'  => new My_Walker_Nav_Menu()) ); ?>

        <?php
        $custom_fields = get_post_custom();
        if ($custom_fields['right_column'][0]<>'') { ?>
        <? echo $custom_fields['right_column'][0]; 

         } ?>

      </div>
    </div>
  </div>
</div>

<?php get_footer(); ?>