$(document).ready(function(){var index=0;var images=$("#gallery img");var thumbs=$("#thumbs img");var imgHeight=$(thumbs).attr("height");$(thumbs).slice(0,3).clone().appendTo("#thumbs");for(i=0;i<thumbs.length;i++){$(thumbs[i]).addClass("thumb-"+i);$(images[i]).addClass("image-"+i);}$("#next").click(sift);show(index);setInterval(sift,8000);function sift(){if(index<(thumbs.length-1)){index+=1;}else{index=0}show(index);}function show(num){$(images).fadeOut(400);$(".image-"+num).stop().fadeIn(400);var scrollPos=(num+1)*imgHeight;$("#thumbs").stop().animate({scrollTop:scrollPos},400);console.log(scrollPos,"img.image-"+num);}});