wp-e-commerce display ‘go to basket’ link dynamically

<?php
/*
* generate the HTML always, just hide it if cart count is 0
* then it will display when the page refreshes, and also you can
* activate it easily from JavaScript
* NB: replace "some-handle" with an ID that is meaningful to you!
*/
?>
<span id="some-handle" style="<?php if (wpsc_cart_item_count() > 0) echo 'display:none;'; ?>">
<a target="_parent" href="<?php echo get_option('shopping_cart_url'); ?>" title="<?php _e('Checkout', 'wpsc'); ?>" class="gocheckout_dyn"><?php _e('Checkout &rarr;', 'wpsc'); ?></a>
</span>

<?php
/**
* action hook for wp-e-commerce to provide our own AJAX cart updates
* EDIT: place this code into your functions.php, not your template file
*/
function theme_cart_update() {
    $cart_count = wpsc_cart_item_count();
    if ($cart_count > 0)
    echo "jQuery('#some-handle').fadeIn();\n";
}
add_action('wpsc_alternate_cart_html', 'theme_cart_update');
?>