$(document).ready(function () {
    var autoscrolling = true;
    setInterval(function () {
    var autoscrolling = true;
        if (autoscrolling) {

            var item_width = 901;
            var right_indent = - 648;
            $('#carousel_ul:not(:animated)').animate({'right' : right_indent},20000,'linear',function(){    
                $('#carousel_ul li:last').after($('#carousel_ul li:first')); 
                $('#carousel_ul').css({'right' : '901px'});
        });}
    }, 2);

});