// JavaScript Document

function oversupnavi($id){
	$id.className = "txtOvernavi";
}

function outsupnavi($id){
	$id.className = "txtNavi";
}

function oversubnavi($id){
	$id.style.textDecoration = "underline";
	if ($id.childNodes.length == 1){
		$id.childNodes[0].style.textDecoration = "underline";
	}
	if ($id.childNodes.length == 2){
		$id.childNodes[1].style.textDecoration = "underline";
	}
	$id.style.cursor = "pointer";
}

function outsubnavi($id){
	$id.style.textDecoration = "";
	if ($id.childNodes.length == 1){
		$id.childNodes[0].style.textDecoration = "";
	}
	if ($id.childNodes.length == 2){
		$id.childNodes[1].style.textDecoration = "";
	}
	$id.style.cursor = "";
}