关闭和定时显示DIV

 <script type="text/javascript">

     $(function(){

         $('#ad1').css('display','block');

     })

     function close1(){

         // $('#ad1').css('display','none');

         $('#ad1').hide();

     }

     function xianshi(){

         $('#ad1').css('display','block');

     }

     setInterval("xianshi()",10000);

 </script>

 <div id="ad1" style="position:fixed;left:25px;top:250px;z-index:9999;display:none;">

     <div style="text-align:right;"><a href="javascript:void(0);" onclick="close1()" id="close2">关闭</a></div>

     <a href="http://www.kkmex.com/" target="_blank"><img class="shake shake-hard" src="/images/7.gif" alt="" width="230";/></a>

 </div>

by 小鬼PSer