wp-caption at top

/*
 * move captions to top of image
 * alchymyth 2011
 */
add_shortcode('wp_caption', 'top_caption_shortcode');
add_shortcode('caption', 'top_caption_shortcode');
function top_caption_shortcode($attr, $content = null) {
        // Allow plugins/themes to override the default caption template.
        $output = apply_filters('img_caption_shortcode', '', $attr, $content);
        if ( $output != '' ) return $output;
        extract(shortcode_atts(array(
                'id'=> '',
                'align' => 'alignnone',
                'width' => '',
                'caption' => ''), $attr));
        if ( 1 > (int) $width || empty($caption) )
        return $content;
        if ( $id ) $id = 'id="' . esc_attr($id) . '" ';
        return '<div ' . $id . 'class="wp-caption ' . esc_attr($align)
        . '" style="width: ' . ((int) $width+ 10) . 'px">'
        . '<p class="wp-caption-text">'
        . $caption
        . '</p>'
        . do_shortcode( $content )
        . '</div>';
        }