// JavaScript Document

 <!-- Social bookmark button -->    
        $(function() {
            var offset = $("#social-bookmark").offset();
            var topPadding = 50;
            $(window).scroll(function() {
                if ($(window).scrollTop() > offset.top) {
                    $("#social-bookmark").stop().animate({
                        marginTop: $(window).scrollTop() - offset.top + topPadding
                    });
                } else {
                    $("#social-bookmark").stop().animate({
                        marginTop: 0
                    });
                };
            });
        });

  <!-- End Social bookmark button -->