javascript时钟脚本

<script language="javascript" type="text/javascript">  
   function page_load()
   {
    setInterval(ShowTime,1000);
   }   
   
   function ShowTime()
   {
    var date = new  Date();
    var str = date.toString();
    var week = str.substr(0,3);
    if(week == "Sun") week="星期日";
    if(week == "Mon") week="星期一";
    if(week == "Tue") week="星期二";
    if(week == "Wed") week="星期三";
    if(week == "Thu") week="星期四";
    if(week == "Fri") week="星期五";
    if(week == "Sat") week="星期六";
    document.getElementById("lblTime").innerHTML = date.toLocaleTimeString();
    document.getElementById("lblWeek").innerHTML = week;
    document.getElementById("lblDate").innerHTML = date.toLocaleDateString();
   }
  </script>