function show(){
var aa=new Date();
var y=aa.getYear()
var m="0"+(aa.getMonth()+1)
var d="0"+aa.getDate()
var h="0"+aa.getHours()
var minu="0"+aa.getMinutes()
var s="0"+aa.getSeconds()
	m=m.substring(m.length-2)
	d=d.substring(d.length-2)
	h=h.substring(h.length-2)
	minu=minu.substring(minu.length-2)
	s=s.substring(s.length-2)

bb="欢迎您！今天是："+y+"年"+m+"月"+d+"日 星期"+'日一二三四五六'.charAt(aa.getDay())+" "+h+":"+minu+":"+s;
document.all.Clock.innerHTML=bb;
setTimeout("show()",1000)
}
window.onload = show;