<script language="javascript" type="text/javascript">
var i = 5;
var intervalid;
intervalid = setInterval("fun()", 1000);
function fun() {
if (i == 0) {
window.location.href = "default.aspx";
clearInterval(intervalid);
}
document.getElementById("mes").innerHTML = i;
i--;
}
</script>
<p>系统出错，请联系管理员！</p>
<p>将在 <span id="mes">5</span> 秒钟后返回首页！</p>
