jQuery floating share box

jquery_floating_share_box

//Taken from http://www.webanddesigners.com/floating-share-box/
$(function() {
     var offset = $("#box").offset();
     var topPadding = 15;
     $(window).scroll(function() {
         if ($(window).scrollTop() > offset.top) {
             $("#box").stop().animate({
                 marginTop: $(window).scrollTop() - offset.top + topPadding
             });
         } else {
             $("#box").stop().animate({
                 marginTop: 0
             });
         };
     });
 });