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1.<html>
2.<head><title></title>
3.<script language='javascript' type='text/javascript'>
4.var secs =5; //倒计时的秒数
5.var URL ;
6.function Load(url){
7.URL =url;
8.for(var i=secs;i>=0;i--)
9.{
10.window.setTimeout('doUpdate(' + i + ')', (secs-i) * 1000);
11.}
12.}
13.function doUpdate(num)
14.{
15.document.getElementById('ShowDiv').innerHTML = '将在'+num+'秒后自动跳转到......' ;
16.if(num == 0) { window.location=URL; }
17.}
18.</script>
19.</head>
20.<body>
21.<div id="ShowDiv"></div>
22.<script language="javascript">
23.Load("http://heisetoufa.javaeye.com"); //要跳转到的页面
24.</script>
25.</body>
26.</html>
<script type="text/javascript">
var i = 10;
window.onload=function page_cg()
{
document.getElementById("time").innerText = i;
i--;
if(i==0)
{
window.open("index.aspx");
}
setTimeout("page_cg()",1000);
}
</script>
<body>
<form id="form1" runat="server">
<div id="err">
对不起,您未登陆!<br />
10秒后跳到登陆页面 <span id="time"></span>
<br />
点击<a href="index.aspx">这里</a>返回登陆
</div>
</form>
</body>