JavaScript Tutorial/DOM Node/parentNode
Get element"s parent node
<html>
<head>
<title>removeChild() Example</title>
<script type="text/javascript">
function removeMessage() {
var oP = document.body.getElementsByTagName("p")[0];
oP.parentNode.removeChild(oP);
}
</script>
</head>
<body onload="removeMessage()">
<P>A</p>
<P>B</p>
<P>C</p>
</body>
</html>