var randomnumber = Math.floor(Math.random() * 8)
jQuery(document).ready(function() {
    jQuery('#mycarousel').jcarousel({
        size: 11,
        start: randomnumber,
        scroll: 1,
        auto: 15,
        wrap: 'last',
        buttonNextHTML: '<div><img src="images/next.png"></div>',
        buttonPrevHTML: '<div><img src="images/prev.png"</div>',
        buttonNextEvent: 'click',
        buttonPrevEvent: 'click'
    });
});