Two Column Index.php

<?php
/**
 * The main template file.
 *
 * This is the most generic template file in a WordPress theme
 * and one of the two required files for a theme (the other being style.css).
 * It is used to display a page when nothing more specific matches a query.
 * E.g., it puts together the home page when no home.php file exists.
 * Learn more: http://codex.wordpress.org/Template_Hierarchy
 *
 * @package WordPress
 * @subpackage Twenty_Eleven
 */

get_header(); ?>

        <div id="primary">
            <div id="content" role="main">

            <?php if ( have_posts() ) : ?>

                <?php twentyeleven_content_nav( 'nav-above' ); ?>

                <?php /* Start Two Column Support */ ?>
                <?php $counter = 1; ?>

                <?php /* Start the Loop */ ?>
                <?php while ( have_posts() ) : the_post(); ?>

                    <?php /* Two Column Support get class */ ?>
                    <?php ( $counter % 2 ) ? $class=' one' : '' ?>

                    <?php /* Two Column output open the div class */ ?>
                    <div class="column<?php echo $class; ?>">

                        <?php get_template_part( 'content', get_post_format() ); ?>

                    <?php /* End Two Column Support close div class */ ?>
                    </div>

                <?php endwhile; ?>

                <?php twentyeleven_content_nav( 'nav-below' ); ?>

            <?php else : ?>

                <article id="post-0" class="post no-results not-found">
                    <header class="entry-header">
                        <h1 class="entry-title"><?php _e( 'Nothing Found', 'twentyeleven' ); ?></h1>
                    </header><!-- .entry-header -->

                    <div class="entry-content">
                        <p><?php _e( 'Apologies, but no results were found for the requested archive. Perhaps searching will help find a related post.', 'twentyeleven' ); ?></p>
                        <?php get_search_form(); ?>
                    </div><!-- .entry-content -->
                </article><!-- #post-0 -->

            <?php endif; ?>

            </div><!-- #content -->
        </div><!-- #primary -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>