function expandMenu(objThis) {
    for (var i = 0; i < objThis.childNodes.length; i++)
		if (objThis.childNodes.item(i).nodeName == "UL")
			objThis.childNodes.item(i).style.display = "block";
}

function showSubMenu(objThis) {
	for (var i = 0; i  < objThis.childNodes.length; i++)
		if (objThis.childNodes.item(i).nodeName == "UL")
			objThis.childNodes.item(i).style.display = "block";
}

function hideSubMenu(objThis) {
	for (var i = 0; i  < objThis.childNodes.length; i++)
		if (objThis.childNodes.item(i).nodeName == "UL") {
			objThis.childNodes.item(i).style.display = "none";
			return;
		}
}