function tigo(){
docunt.getElentById("tt").innerHTML = tt;
window.setInterval("tigo()",1000);
docunt.getElentById("tt").innerHTML = tt;
window.setInterval("tigo()",1000);
.error_page p {rgin: 10px 0; padding: 0;}
2秒跳转到首页。
a {color: #369; text-decoration:none;}
.error_page h1 {rgin: 20px 0 0; font-size:20px}
tt--;
.