[转]Jquery实现页面定时跳转

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<html>
<head>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<title>跳转页面</title>
<mce:script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" mce_src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></mce:script>
<mce:script language="javascript"><!--
$(document).ready(function() {
function jump(count) {
window.setTimeout(function(){
count--;
if(count > 0) {
$('#num').attr('innerHTML', count);
jump(count);
} else {
location.href="login.jsp";
}
}, 1000);
}
jump(3);
});
// --></mce:script>
</head>
<body>
欢迎来到******！ 页面将在3秒后跳转... 还剩3秒
</body>
</html>