WooCommerce Featured Product Slider - Working 1.6.6

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

    <?php global $woocarr_width; ?>

    <!-- Elastislide Carousel -->
    <div class="es-carousel-wrapper carousel-woocomm" id="1-woocomm">
        <div class="es-carousel">
            <ul>
                <?php while (have_posts()) : the_post(); ?>
                <?php $_product = &new WC_Product( $post->ID ); ?>
                <li>
                    <div class="woocarr-thumb">
                        <?php
                            if ( '' != get_the_post_thumbnail() ) {
                            echo '<a href='. esc_url( get_permalink( $loop->post->ID )) .' '. get_the_post_thumbnail($loop->post->ID, 'shop_catalog') . '</a>';
                                } else {
                            // some code
                            }
                        ?>
                    </div><!--end of .woocarr-thumb-->
                </li>
                <?php endwhile; ?>
            <div class="clearboth"></div>
            </ul>
        </div> <!-- .es-carousel -->
    </div> <!-- carousel-woocomm -->

    <script type="text/javascript">
        jQuery('.carousel-woocomm').elastislide({
            imageW  : <?php echo $woocarr_width; ?>
        });
    </script>

<?php endif; ?>