sticky-footer.js

jQuery(function( $ ){
        $(window).load(function() {

            function stickyFooter() {
                var bodyHeight = $("body").height();
                var vwptHeight = $(window).height();
                if (vwptHeight > bodyHeight) {
                    $("#footer-section").css("position","absolute").css("bottom",0);
                    $("#footer-section").addClass('sticky');
                }
                else {
                    $("#footer-section").css("position","static");
                    $("#footer-section").removeClass('sticky');
                }
            } stickyFooter();

            /*resize*/
            var isIE8 = $.browser.msie && +$.browser.version === 8;
            if (isIE8) {
                document.body.onresize = function () {
                    stickyFooter();
                };
            } else {
                $(window).resize(function () {
                    stickyFooter();
                });
            }

            // Orientation change
            window.addEventListener("orientationchange", function() {
                stickyFooter();
            });

    });
});