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="#" onclick="showPreview(\'' + item.image + '\',\'' + item.url + '\',\'' + item.title + '\',\'' + item.id + '\');return false">' + item.linktitle + '</a>';
};

jQuery(document).ready(function() {
    jQuery('#mycarousel').jcarousel({
        wrap: 'circular',
        itemVisibleInCallback: {onBeforeAnimation: mycarousel_itemVisibleInCallback},
        itemVisibleOutCallback: {onAfterAnimation: mycarousel_itemVisibleOutCallback}
    });
});