function mycarousel_itemVisibleInCallback(carousel, item, i, state, evt)
{
    // The index() method calculates the index from a
    // given index who is out of the actual item range.
    var idx = carousel.index(i, mycarousel_itemList.length);
    carousel.add(i, mycarousel_getItemHTML(mycarousel_itemList[idx - 1]));
};

function mycarousel_itemVisibleOutCallback(carousel, item, i, state, evt)
{carousel.remove(i);};

/**
 * Item html creation helper.
 */
function mycarousel_getItemHTML(item)
{
    return '<a href="/index.php/partners/"><img src="' + item.url + '" alt="' + item.title + '" /></a>';
};

jQuery(document).ready(function() {
    jQuery('#mycarousel').jcarousel({
        vertical:1,
        wrap: 'circular',
        auto:4,
        scroll: 1,
        animation: 1600,
        itemVisibleInCallback: {onBeforeAnimation: mycarousel_itemVisibleInCallback},
        itemVisibleOutCallback: {onAfterAnimation: mycarousel_itemVisibleOutCallback}
    });
});