after theme setup hook for cart wrapping

<?php

/* Add code here that needs to run before the parents functions.php */

/*
* Tell WordPress to run post_theme_setup() when the 'after_setup_theme' hook is run.
*/

add_action( 'after_setup_theme', 'post_theme_setup' );

if ( !function_exists( 'post_theme_setup' ) ):
function post_theme_setup() {

/* place for code to execute after parents functions.php */
/* the purpose of these code lines is to wrap the cart app in the Creativix theme */

function mytheme_open_jigoshop_content_wrappers()
{
    echo '<div class="sub-column"><div class="sub-top"><div class="sub-content"><div class="content">';
}

function mytheme_close_jigoshop_content_wrappers()
{
    echo '</div></div></div></div>';
}

function mytheme_prepare_jigoshop_wrappers()
{
    remove_action( 'jigoshop_before_main_content', 'jigoshop_output_content_wrapper', 10 );
    remove_action( 'jigoshop_after_main_content', 'jigoshop_output_content_wrapper_end', 10);

    add_action( 'jigoshop_before_main_content', 'mytheme_open_jigoshop_content_wrappers', 10 );
    add_action( 'jigoshop_after_main_content', 'mytheme_close_jigoshop_content_wrappers', 10 );
}
add_action( 'wp_head', 'mytheme_prepare_jigoshop_wrappers' );

}
endif;

?>