显示动态时间

显示动态时间的js
function show(){
var Digital=new Date();
var year=Digital.getFullYear();
var mouth=Digital.getMonth()+1;
var day=Digital.getDate();
var hours=Digital.getHours();
var minutes=Digital.getMinutes();
var seconds=Digital.getSeconds();
var w=Digital.getDay();
var weekday;
if(w==0){weekday  =  "  星期日"}
if(w==1){weekday  =  "  星期一"}
if(w==2){weekday  =  "  星期二"}
if(w==3){weekday  =  "  星期三"}
if(w==4){weekday  =  "  星期四"}
if(w==5){weekday  =  "  星期五"}
if(w==6){weekday  =  "  星期六"}
var dn="AM";
if(hours>12){dn="PM";}
if(hours==0){hours=24;}
if(minutes<=9){minutes="0"+minutes}
if(seconds<=9){seconds="0"+seconds}
var yclock=year+"年"+mouth+"月"+day+"日  "+weekday+"  "+hours+":"+minutes+":"+seconds+"  "+dn;
$("#showTime").html(myclock);
setTimeout("show()",1000);
}