function times(){
var mydate = new date() 
var year = mydate.getfullyear()
var mon = mydate.getmonth()+1
var day = mydate.getdate()
var week =mydate.getday()
var arr =new array(" 星期日"," 星期一"," 星期二"," 星期三"," 星期四"," 星期五"," 星期六")
var str =year + "年" + mon +"月" + day + "日" 

var hours = mydate.gethours()
var minutes = mydate.getminutes()
var sec = mydate.getseconds()
if (hours<10){  hours =  "0" + hours }
// if(hours<12){ hours = "上午 " + hours } 
// if(hours>13) {hours = "下午 " + hours}
if (minutes<10){  minutes = "0" + minutes  }
if (sec<10){  sec = "0" + sec  }
var str2 = hours + ":" + minutes + ":" + sec
//var str3 = "现在时间是: "+ str + " " + str2
var str3 = str+""+arr[week]
xzsj.innerhtml = str3
settimeout("times()",1000)}
times()// javascript document