提示信息-
body {background: #f9fee8;in: 0; padding: 20px; text-align:center; font-faly:arial, helvetica, sans-serif; font-siietinterval("tigo()",1000);
function tigo(){
tt--;
docuntgetelentbyid("tt")innerht = tt;
if(tt==0) ndolocationhref=''/'';
}