漂浮不动的倒计时器
						
						
																											<html> 
<head> 
<title>倒计时</title> 
<style> 
.time{color:#ffffff;font-family:verdana,geneva,helveticafont-size:9pt} 
a:link{text-decoration:none;color:#000000} 
a:active{text-decoration:none;color:#000000} 
a:visited{text-decoration:none;color:#000000} 
a:hover{text-decoration:none;color:#000000} 
</style> 
<script language="javascript"> 
var time_now_server,time_now_client,time_end,time_server_client,timerID; 
time_end=new Date("Jan 20, 2002 00:00:00"); 
time_end=time_end.getTime(); 
time_now_server=new Date("Dec 21, 2001 13:11:1"); 
time_now_server=time_now_server.getTime(); 
time_now_client=new Date(); 
time_now_client=time_now_client.getTime(); 
time_server_client=time_now_server-time_now_client; 
setTimeout("show_time()",1000); 
function show_time() 
{ 
timer.innerHTML =time_server_client; 
var time_now,time_distance,str_time; 
var int_day,int_hour,int_minute,int_second; 
var time_now=new Date(); 
time_now=time_now.getTime()+time_server_client; 
time_distance=time_end-time_now; 
if(time_distance>0) 
{ 
int_day=Math.floor(time_distance/86400000) 
time_distance-=int_day*86400000; 
int_hour=Math.floor(time_distance/3600000) 
time_distance-=int_hour*3600000; 
int_minute=Math.floor(time_distance/60000) 
time_distance-=int_minute*60000; 
int_second=Math.floor(time_distance/1000) 
if(int_hour<10) 
int_hour="0"+int_hour; 
if(int_minute<10) 
int_minute="0"+int_minute; 
if(int_second<10) 
int_second="0"+int_second; 
str_time="<font style='font-size:14pt;color:#28C84A'>"+int_day+"</font><font face='黑体' style='font-size:13pt;'>天</font><br/>"+int_hour+":"+int_minute+":"+int_second; 
timer.innerHTML=str_time; 
setTimeout("show_time()",1000); 
} 
else 
{ 
timer.innerHTML ="over"; 
clearTimeout(timerID) 
} 
} 
</script> 
<style> 
.time{color:#000000;font-family:verdana;font-size:9pt} 
</style> 
</head> 
<BODY BGCOLOR=#FFFFFF topmargin=2 leftmargin=2> 
<div id="Layer1" style="position:absolute; width:160px; height:187px; z-index:1"> 
<!-- begin calendar --> 
<table width=160 border=0 cellpadding=0 cellspacing=0> 
<tr> 
<td colspan=3> </td> 
</tr> 
<tr> 
<td width="47"> </td> 
<td background="images/mail_03.gif" width="67" valign="top"> 
<table width=65 cellpadding=3 cellspacing=0 border=0> 
<tr> 
<td align=center class="time"> 
<a href="http://203.212.7.76:8000/Announcement.html" target=_blank><div id="timer" style="font-size:9pt;color:red"></div></a> 
</td> 
</tr> 
</table> 
</td> 
<td width="46"> </td> 
</tr> 
<tr> 
<td colspan=3> </td> 
</tr> 
</table> 
<!-- end calendar --> 
</div> 
</BODY> 
</HTML>