document.write("<style>");
document.write("#aa2{width:233px;height:614px;background:#333333;margin:0 auto;overflow:hidden;position:relative;}");
document.write("#aa2 ul{width:233px;height:614px; position:absolute;left:0px;}");
document.write("#aa2 ul li{width:233px;height:614px;float:left;}");
document.write("#aa2 ul li img{width:233px;height:614px;}");
document.write("#aa2 .page{ position:absolute;bottom:10px;left:45%;z-index:100;}");
document.write("#aa2 .page a{background:#f2f2f2;;width:10px;border-radius:5px;height:10px;margin-left:10px;display:inline-block;line-height:0px;font-size:0px;}");
document.write("#aa2 .page a.cur{background:#ff6600;}");
document.write("</style>");
document.write("<div id='aa2'>");
 document.write("<ul>");
        document.write("<li><a href='https://ke.qq.com/course/307548' target='_blank'><img class='img1' title='建筑动画' alt='建筑动画' src='http://img.maliang.com/%E6%B7%98%E5%AE%9D%E5%8A%A8%E7%94%BB-%E8%A1%A3%E6%9F%9C%282%29.gif'/></a></li>");
       document.write("<li><a href='https://ke.qq.com/course/211994#tuin=7f797c91' target='_blank'><img class='img2' title='vray实战班' alt='vray实战班' src='http://img.maliang.com/TB2WYLAXGe5V1BjSspkXXcoqpXa_%21%2164229963.jpg'/></a></li>");
       document.write("<li><a href='http://www.mlabc.com/a/peixunbanpeixunbansan/index.html' target='_blank'><img class='img3' title='高级建模班' alt='高级建模班' src='http://img.maliang.com/hhgg3.gif'/></a></li>");
    document.write("</ul>");
  document.write("<div class='page'>"); document.write("<a class='a1' href='javascript:aa2LoadBanner(1);'>1</a>");
  document.write("<a class='a2' href='javascript:aa2LoadBanner(2);'>2</a>");
  document.write("<a class='a3' href='javascript:aa2LoadBanner(3);'>3</a>");
  document.write("</div>");
document.write("</div>");



aa2li_width=233;/*设置一个li元素的宽度*/
aa2ul="#aa2 >ul";/*设置ul*/
aa2li_number=$(aa2ul+">li").length;
aa2ul_width=aa2li_number*aa2li_width;
$(aa2ul).css("width",aa2ul_width+"px");
$(aa2ul).css("left","0px");
var intaa2=setInterval("aa2to_left_auto()",5000);/*按时间间隔启动*/
aa2banner_i=1;
aa2LoadBanner(aa2banner_i);
function aa2to_left_auto()
{
 if (aa2banner_i < aa2li_number){
  aa2banner_i++;
 }
 else{
  aa2banner_i=1;
 }
 aa2LoadBanner(aa2banner_i);
}
function aa2LoadBanner(i)
{
 aa2banner_i=i;
 if(!$(aa2ul).is(":animated")){
  $(aa2ul).animate({left:"-"+(i-1)*aa2li_width+"px"},300,'swing');
 }
 $("#aa2 .page a").removeClass("cur");
 $("#aa2 .page .a"+i).addClass("cur");
 $("#aa2 .page .a"+i).blur();
}