today=new Date();
 function initArray(){
   this.length=initArray.arguments.length
   for(var i=0;i<this.length;i++)
   this[i+1]=initArray.arguments[i]  }
   var d=new initArray(
     "星期日",
     "星期一",
     "星期二",
     "星期三",
     "星期四",
     "星期五",
     "星期六");

function tick() {
var hours, minutes, seconds, xfile;
var intHours, intMinutes, intSeconds;
var today;
today = new Date();
intHours = today.getHours();
intMinutes = today.getMinutes();
intSeconds = today.getSeconds();
if (intHours == 0) {
hours = "12:";
xfile = "午夜";
} else if (intHours < 12) {
hours = intHours+":";
xfile = "上午";
} else if (intHours == 12) {
hours = "12:";
xfile = "正午";
} else {
intHours = intHours - 12
hours = intHours + ":";
xfile = "下午";
}
if (intMinutes < 10) {
minutes = "0"+intMinutes+":";
} else {
minutes = intMinutes+":";
}
if (intSeconds < 10) {
seconds = "0"+intSeconds+" ";
} else {
seconds = intSeconds+" ";
}
timeString = xfile+hours+minutes+seconds;
Clock.innerHTML = timeString;
window.setTimeout("tick();", 100);
}
window.onload = tick;