function banner(){function u(n){$(".banner .btns span").eq(n).addClass("cur").siblings("span").removeClass("cur");$(".banner li").eq(n).stop(!0,!0).fadeIn(1e3).siblings().stop(!0,!0).fadeOut(1e3)}var r=$(".banner li").length,i,n,t;for($(".loader").stop().fadeOut(1e3),$(".banner li").eq(0).fadeIn(1e3),i=0;i<\/span>');$(".banner .btns").css("margin-left",-$(".btns").width()/2);$(".banner .btns span").eq(0).addClass("cur");n=1;$(".banner .btns span").mouseover(function(){n=$(this).index();u(n)});$(".banner").hover(function(){t&&clearInterval(t)},function(){clearInterval(t);t=setInterval(function(){u(n);n++;n==r&&(n=0)},5e3)});t=setInterval(function(){u(n);n++;n==r&&(n=0)},5e3)}$(function(){var n=$(".banner li").length;$(".banner li").each(function(){var i=$(this),r=i.attr("data-img"),t=new Image;if(t.src=r,t.complete||t.width){i.attr("style","background:url("+r+") no-repeat center");n--;n==0&&banner();return}$(t).load(function(){i.attr("style","background:url("+r+") no-repeat center");n--;n==0&&banner()})})})