根据12和24小时制选择不同的时间显示

<HTML>
<HEAD>
<TITLE>时间日期篇--当前时间</TITLE>
<meta charset="utf-8">
</HEAD>

<BODY bgcolor="#fef4d2" onLoad=showTheCurrentTime()>
   <br>
   <br>
   <center>
       <font color="ffaafa"><h2>时间日期篇--当前时间</h2></font>
       <hr width=300>
       <br>
       <br>

       

       <script type="text/javascript">

function showMilitaryTime() {
if (document.form.showMilitary[0].checked) {
return true;
}
return false;
}
//showTheHours解决小时的问题
function showTheHours(theHour) {
if (showMilitaryTime() || (theHour > 0 && theHour < 13)) {
return (theHour);
}
if (theHour == 0) {
return (12);
}
return (theHour-12);
}
//解决分钟秒钟的显示问题
function showZeroFilled(inValue) {
if (inValue > 9) {
return "" + inValue;
}
return "0" + inValue;
}
//解决上午和下午的问题
function showAmPm() {
if (showMilitaryTime()) {
return ("");
}
if(now.getHours() < 12) {
return (" am");
}
return (" pm");
}
function showTheCurrentTime() {
now = new Date
document.form.showTime.value = showTheHours(now.getHours()) + ":" + showZeroFilled(now.getMinutes()) + ":" + showZeroFilled(now.getSeconds()) + showAmPm()
setTimeout("showTheCurrentTime()",1000)
}
</script>
       

       

       <form name="form">
           <div align="center">
               <center>
                   <p>
                       <font>  <input type="text"
                           name="showTime" size="11">
                       </font>
                   </p>
               </center>
           </div>
           <div align="center">
               <center>
                   <p>
                       <input type="radio" name="showMilitary" checked> <font
                           color="">24 Hour Time<br> <input type="radio"
                           name="showMilitary"> 12 Hour Time<br>
                       </font>
                   </p>
               </center>
           </div>
       </form>

       

   </center>
</BODY>

</HTML>