JavaScript DHTML/Node Operation/ownerDocument
"ownerDocument" Example
<html>
<body>
<div id="myD">
<p id="myP">This is a sample text.</p>
</div>
<br>
<input type="button" value="ownerDocument" onclick="function1();">
<script language="JavaScript">
function function1() {
alert(document.all.myP.ownerDocument);
}
</script>
</body>
</html>