javascript 填空求助！！！三条横线！！！
<body><h1>Javascript 按钮测试</h1><p>请选择命令：<br/>
<input type=radio name="order" onClick="showdate()"/>显示日期
<input type=radio name="order" onClick="showtime"/>显示时间
<input type=radio name="order" onClick="showday"/>显示星期</p>
<script language="javascript">
function showdate()
{ var now=new Date();
var CurMonth=now.getMonth();
var CurDay=now.getDate();
var CurYear=now.getFullYear();
alert("今天是"+CurYear+"年"+CurMonth+"月"+CurDay+"日");}
function showtime()
{ var now=new Date();
var curTime=now.getHours() + ":" + now. getMinutes() + ":" + now.getSeconds();
alert("现在是" +______); }
function showday()
{ var now=new Date();
var day=new _________("星期日","星期一","星期二","星期三","星期四","星期五","星期六"); var curDay=now.getDay();
alert("今天是" + day[______]); }
</script></body>
