function ShowClock(){
   var now = new Date();
   var year = now.getYear();
   var month = now.getMonth() + 1;
   var date = now.getDate();
   var hours = now.getHours();
   var minutes = now.getMinutes();
   if (minutes<10)
    	minutes="0"+minutes
   var seconds = now.getSeconds();
   if (seconds<10)
    	seconds="0"+seconds
   var TimeVal = year + "年" + month + "月" + date + " " + hours + ":" +
   minutes + ":" + seconds;
   document.all.clock.innerText = TimeVal;
   timerID = setTimeout("ShowClock()",1000);
}