<!--要完成此效果把如下代码加入到<body>区域中--> <SCRIPT language=javascript><!-- BirthDay=new Date("january 01,2001");//改成你的计时日期 today=new Date(); timeold=(today.getTime()-BirthDay.getTime()); sectimeold=timeold/1000 secondsold=Math.floor(sectimeold); msPerDay=24*60*60*1000 e_daysold=timeold/msPerDay daysold=Math.floor(e_daysold); e_hrsold=(e_daysold-daysold)*24; hrsold=Math.floor(e_hrsold); e_minsold=(e_hrsold-hrsold)*60; minsold=Math.floor((e_hrsold-hrsold)*60); seconds=Math.floor((e_minsold-minsold)*60); //--> </SCRIPT><SCRIPT language=javascript><!-- document.write("新世纪已经进去了"+daysold+"天"+hrsold+"小时"+minsold+"分"+seconds+"秒了!"); //--> </SCRIPT>