<html>
<head>
<title></title>
<script language="JavaScript">
<!--
function make(){
text = document.createTextNode("ボタンです");
document.getElementById("nobr").appendChild(text);
document.getElementById("button").disabled = true;
}
// -->
</script>
</head>
<body>
<input type="button" value="テキスト作成" id="button" name="button" onclick="make()">
</body></html>