function mycarousel_initCallback(carousel) {
    jQuery('#mycarousel-next').bind('click', function () {
        carousel.next();
        var productCarousel2 = jQuery('#productCarousel2').data('jcarousel');
        productCarousel2.next();
        return false;
    });

    jQuery('#mycarousel-prev').bind('click', function () {
        carousel.prev();
        var productCarousel2 = jQuery('#productCarousel2').data('jcarousel');
        productCarousel2.prev();
        return false;
    });
};

jQuery(document).ready(function () {
    jQuery('#thumbCarousel1').jcarousel({
        initCallback: mycarousel_initCallback,
        vertical: true,
        wrap: 'circular',
        scroll: 1,
        buttonNextHTML: null,
        buttonPrevHTML: null
    });

    jQuery('#productCarousel2').jcarousel({
        vertical: true,
        wrap: 'circular',
        scroll: 1,
        buttonNextHTML: null,
        buttonPrevHTML: null
    });
});