var dayarray=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六")
var montharray=new Array("01","02","03","04","05","06","07","08","09","10","11","12")
function getthedate(){
var mydate=new Date()
var year=mydate.getYear()
if (year < 1000)
year+=1900
var day=mydate.getDay()
var month=mydate.getMonth()
var daym=mydate.getDate()
if (daym<10)
daym="0"+daym
var hours=mydate.getHours()
var minutes=mydate.getMinutes()
var seconds=mydate.getSeconds()
var dn="您好！"
if (hours>=0 && hours<=4) {
dn="夜深了，请注意休息！"
}
if (hours>4 && hours<9) {
dn="早上好！"
}
if (hours>=9 && hours<12) {
dn="上午好！"
} 
if (hours>=12 && hours<14) {
dn="中午好！"
}
if (hours>=14 && hours<18) {
dn="下午好！"
}
if (hours>=18 && hours<=23) {
dn="晚上好！"
}
//var dn=""
if (minutes<=9)
minutes="0"+minutes
if (seconds<=9)
seconds="0"+seconds
//change font size here
var cdate=dn+" 现在是 "+year+"年"+montharray[month]+"月"+daym+"日"+" "+dayarray[day]
if (document.all)
document.all.clock.innerHTML=cdate
else
document.write(cdate)
}
if (!document.all)
getthedate()
function goforit(){
if (document.all)
setInterval("getthedate()",1000)
}
goforit();

document.write("<span id=clock></span>");