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