CHECKBOX全选问题

<html>
<head>
<title>无标题页</title>
</head>

<script>
function a(){
var v = document.getElementById('a');
var m = document.getElementById('b');
var n = document.getElementById('c');
if(v.checked==true){

   m.checked = true;
   n.checked = true;
}
else{
   m.checked=false;
   n.checked=false;
}

}
</script>

<body>
     <input type="checkbox" name="a" onclick="a()">
     <input type="checkbox" name="b" id="b" >
     <input type="checkbox" name="c" id="c" >
</body>
</html>

posted @ 2008-10-18 14:32 好比阅读(169) 评论(0) 收藏举报

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