js/infiscroll.min.js

function belowviewport(){var i=$(window).scrollTop();return i+=$(window).height(),i+=5,i+=.1*$(window).height()}$(document).ready(function(){$("body").append('<div id="infiscroll_div"></div>'),$("#infiscroll_div").css({position:"absolute",width:"1px",height:"1px",overflow:"scroll","z-index":"100",top:belowviewport()+"px"}),$(window).scroll(function(){$("#infiscroll_div").css("top",belowviewport()+"px")})});