Ads Manager 2 by Siropu 2.8.1

<xf:js>
document.addEventListener('DOMContentLoaded', function ()
{
    var unit = document.querySelector('.samCodeUnit[data-position="container_sidebar_below"]');
    var stickyPoint = 0;

    function isSidebar()
    {
        return window.matchMedia('(min-width: 900px)').matches;
    }

    function onScroll()
    {
        if (!unit || !isSidebar())
        {
            return;
        }

        var unitScrollOffset = unit.getBoundingClientRect().top + window.scrollY;
        var scrollTop = window.scrollY || document.documentElement.scrollTop;

        if (unitScrollOffset - scrollTop <= 0 && stickyPoint == 0)
        {
            var nav = document.querySelector('.p-nav');
            var navHeight = nav ? nav.offsetHeight : 0;

            unit.style.position = 'fixed';
            unit.style.top = (navHeight + 10) + 'px';
            unit.style.width = 'auto';
            stickyPoint = scrollTop;
        }
        else if (stickyPoint >= scrollTop)
        {
            unit.style.position = '';
            unit.style.top = '';
            unit.style.width = '';
            stickyPoint = 0;
        }
    }

    if (unit && isSidebar())
    {
        window.addEventListener('scroll', onScroll);
    }

    window.addEventListener('resize', function ()
    {
        if (!isSidebar() && unit)
        {
            unit.style.position = '';
            unit.style.top = '';
            unit.style.width = '';
        }
    });
});
</xf:js>