javascript倒计时

<script LANGUAGE="JavaScript">

var urodz= new Date("January 1,2012");

var  s="元旦";

var now = new Date();

var ile = urodz.getTime() - now.getTime();

var dni = Math.floor(ile / (1000 * 60 * 60 * 24));

if (dni > 1)

   document.write("今天离"+s+"还有"+dni +"天")

else if (dni == 1)

     document.write("只有2天啦！")

else if (dni == 0)

     document.write("只有1天啦！")

else

    document.write("好象已经过了哦！");

</script>

摘自 spy1403414807的专栏