JS 控制页面超时后自动跳转到登陆页面

<script language="javascript">

var myTime = setTimeout("Timeout()", 50000);

function resetTime() {

clearTimeout(myTime);

myTime = setTimeout('Timeout()', 50000);

}

function Timeout() {

alert("您的登录已超时, 请点确定后重新登录!");

document.location.href='login.jsp';

}

document.documentElement.onkeydown=resetTime;

document.doocumentElement.onclick=resetTime;

</script>