jsp 倒计时js

<%@ page language= "java" import = "java.util.*" pageEncoding= "UTF-8" %>
<div id= "showTimes" ></div>
<%
 long current_time=System.currentTimeMillis();
 long end_time=1337875200000l;
 long time=end_time-current_time;
 %>
<script>
var second = <%= time / 1000 %>; // 剩余秒数
// 写一个方法，将秒数专为天数
var toDays = function(){
 var s = second % 60 ; // 秒
 var mi = (second - s) / 60 % 60 ; // 分钟
 var h = ((second - s) / 60 - mi ) / 60 % 24 ; // 小时
 var d = (((second - s) / 60 - mi ) / 60 - h ) / 24 // 天
return "剩余：" + d + "天" + h + "小时" + mi + "分钟" + s + "秒" ;
}
//然后写一个定时器
window.setInterval(function(){
 second --;
 document.getElementById( "showTimes" ).innerHTML = toDays ();
}, 1000 );
</script>