function slideshow(){var a=$("#animation img.active");a.length==0&&(a=$("#animation img:last"));var b=a.next().length?a.next():$("#animation img:first");a.addClass("last-active");b.css({opacity:0}).addClass("active").animate({opacity:1},1E3,function(){a.removeClass("active last-active ie7Active ie7Last-active")})}$(function(){setInterval("slideshow()",5E3)});