function SlideItem(ul, position, index, w, ease, interval, timer)
{
    var destination = -(index * w);
    clearInterval(window[timer]);
    window[timer] = setInterval(function()
    {
        position += (destination - position) * ease;
        var next = Math.floor(position);
        if (((destination + 1) >= next) && ((destination - 1) <= next))
        {
            ul.style.left = destination + 'px';
            clearInterval(window[timer]);
        }
        else
        {
            ul.style.left = next + 'px';
        }
    }, interval);
}