基于JavaScript实现网页倒计时自动跳转代码

<title>JS倒计时网页自动跳转代码</title>  <script language="JavaScript" type="text/javascript">  function delayURL(url) {    var delay = document.getElementById("time").innerHTML;    if(delay > 0) {      delay--;      document.getElementById("time").innerHTML = delay;    } else {      window.top.location.href = url;    }    t = setTimeout("delayURL('" + url + "')", 1000);  }function stop1(){  t && clearTimeout(t);}</script><span id="time" style="background: #00BFFF">1000</span>秒钟后自动跳转，如果不跳转，请点击下面的链接<a href="http://www.baidu.com">我的百度</a><input type="button" value="停止跳转" onclick="stop1();"><script type="text/javascript">delayURL("http://www.baidu.com");</script>