if (typeof rrDomScrollClass != 'function') {

    function rrDomScrollClass()
    {

        var windowEle = window;
        var scrollClassEle = document.getElementsByClassName("dom-scroll");

        function StartScroll() {
            var scrollIterator;
            var scrollCount = scrollClassEle.length;
            for (scrollIterator = 0; scrollIterator < scrollCount; scrollIterator++) {
                DoScroll(scrollClassEle[scrollIterator]);
            }
        }

        function DoScroll(scrollEle) {
            var addClassArr = (scrollEle.getAttribute("addClass"))?scrollEle.getAttribute("addClass").replace(" ", '').split(','):[];
            if (addClassArr)
            {
            
                var scrollDistanceArr = scrollEle.getAttribute("scrollDistance") ? scrollEle.getAttribute("scrollDistance").replace("", '').split(',') : ["120"];

                for (var x = 0; x < addClassArr.length; x++)
                {
                    var scrollDistance =  scrollDistanceArr[x] || scrollDistanceArr[0];
                    var addClass = addClassArr[x];

                    var distanceY = window.pageYOffset || document.documentElement.scrollTop

                    var eleHasClass = hasClass(scrollEle, addClass);

                    if (distanceY > scrollDistance)
                    {
                        if (!eleHasClass)
                        {
                            scrollEle.className += " " + addClass;
                        }
                    }
                    else
                    {
                        if (eleHasClass)
                        {
                            scrollEle.className = scrollEle.className.replace(" "+addClass, "");
                        }
                    }
                }
            }

        }

        function hasClass(element, cls) {
            return (' ' + element.className + ' ').indexOf(' ' + cls + ' ') > -1;
        }

        function UpdateHeaderPushdown() {
            var headerPushdownElement = document.querySelector('#header-pushdown');

            if (headerPushdownElement) {
                var headerWrapperElement = document.querySelector('#header-wrapper');
                if (typeof headerWrapperElement != "undefined" && headerWrapperElement != null) { 
                var headerWrapperBoundingBox = headerWrapperElement.getBoundingClientRect();

                var headerHeight = headerWrapperBoundingBox.height;

                headerPushdownElement.style.height = headerHeight + "px";
            }
            }

            var menu = document.querySelector('.menu');
            var hasBulletin = menu.classList.contains('site-bulletin-menu');

            var headerTopElement = document.querySelector('.header-top-details');
            if (headerTopElement != null)
            {
                var headerTopElementBounding = headerTopElement.getBoundingClientRect();

                var menuTop = headerTopElementBounding.height;
            }

            if (hasBulletin) {
                var siteBulletin = document.querySelector('.site-bulletin');
                var siteBulletinBoundingBox = siteBulletin.getBoundingClientRect();

                menuTop += siteBulletinBoundingBox.height;
            }

            menu.style.top = menuTop + "px";
        }

        window.addEventListener('scroll', function (e) {
            StartScroll();
        });

        window.addEventListener('resize', function (e) {
            UpdateHeaderPushdown();
        });

        UpdateHeaderPushdown();
        StartScroll();

    }
}