<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="ja">
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title>Sample</title>
<link rel="stylesheet" href="css/main.css" type="text/css" media="all">
<script type="text/javascript" src="js/prototype.js" charset="shift_jis"></script>
<script type="text/javascript" src="js/scriptaculous.js" charset="shift_jis"></script>
<script type="text/javascript"><!--
var sliderObj;
Event.observe(window, "load", function(){
sliderObj = new Control.Slider("sHandle", "sTrack",{
disabled : true,
onSlide:function(value){
$("sValue").value = value;
}
});
Event.observe("sFlag", "click", function(){
if ($("sFlag").checked) {
sliderObj.setEnabled();
$("sTrack").visualEffect("Appear", { to:1, duration : 0.1 });
$("sValue").disabled = false;
}else{
sliderObj.setDisabled();
$("sTrack").visualEffect("Appear", { to:0.5, duration : 0.1 });
$("sValue").disabled = true;
}
});
$("sTrack").visualEffect("Appear", { to:0.5, duration : 0.1 });
$("sValue").disabled = true;
}, false);
// --></script>
</head>
<body>
<h1>スライダーの有効/無効を切り替える</h1>
<form action="./dummy.cgi">
<input type="checkbox" id="sFlag" name="sValue" value="true">値を設定する
<div id="sTrack">
<div id="sHandle"></div>
</div>
<input type="text" value="0" size="16" id="sValue">
</form>
</body>
</html>
説明などは本書を参考にしてください。