function startTime()   
{   
var today=new Date()   
var years=today.getFullYear();   
var months=today.getMonth();   
var d=today.getDate()   
var h=today.getHours()   
var m=today.getMinutes()   
var s=today.getSeconds()   
// add a zero in front of numbers<10  
monthsmonths=months+1   
months=checkTime(months)   
d=checkTime(d)   
m=checkTime(m)   
s=checkTime(s)   
var weekday=new Array(7)   
weekday[0]="星期日"   
weekday[1]="星期一"   
weekday[2]=" 星期二"   
weekday[3]="星期三"   
weekday[4]="星期四"   
weekday[5]="星期五"   
weekday[6]=" 星期六"   
months++
var w=weekday[today.getDay()]   
document.getElementById('ShowTime').innerHTML=years+" 年"+months+"月"+d+"日 "+w+" "+h+":"+m+":"+s;   
t=setTimeout('startTime()',500)   
}   
function checkTime(i)   
{   
if (i<10)   
  {i="0" + i}   
  return i   
}  
startTime()