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);
};

/* auto advance functions */
function mycarousel_initCallback(carousel)
{
    // Disable autoscrolling if the user clicks the prev or next button.
    carousel.buttonNext.bind('click', function() {
        carousel.startAuto(0);
    });

    carousel.buttonPrev.bind('click', function() {
        carousel.startAuto(0);
    });

    // Pause autoscrolling if the user moves with the cursor over the clip.
    carousel.clip.hover(function() {
        carousel.stopAuto();
    }, function() {
        carousel.startAuto();
    });
};

/**
 * Item html creation helper.
 */
function mycarousel_getItemHTML(item)
{
    return '<a href="' + item.link + '" ' + item.extra + ' target=_parent><img src="' + item.url + '" width="90" alt="' + item.title + '" /></a>';
};

jQuery(document).ready(function() {
    jQuery('#mycarousel').jcarousel({
        wrap: 'circular',
        itemVisibleInCallback: {onBeforeAnimation: mycarousel_itemVisibleInCallback},
        itemVisibleOutCallback: {onAfterAnimation: mycarousel_itemVisibleOutCallback},
        auto: 1, //Hieu chinh thoi gian chay cua hinh anh.
        initCallback: mycarousel_initCallback
    });
});