我只會前半段..後半段的訊息欄時間限制我不會~
<html>
<head>
<script>
function textCounter(){
document.forms.talk_add.text_num.value=
document.forms.talk_add.message.value.length;
}
</script>
</head>
<body>
<form name="talk_add">
<p>留言字數<input type=text size=3 name=text_num value=0>
<p> 輸入留言<textarea name=message cols=36 rows=4
onKeyUp="textCounter();" onKeyDown="textCounter();"
onFocus="this.value='';"></textarea>
</form>
</body>
</html>