function showLeftSubMenu(currentAnchor) {
	var parentLi = currentAnchor.parentNode;
	if (parentLi != null && parentLi != undefined) {
		var subUls = parentLi.getElementsByTagName("ul");
		if (subUls.length > 0) {
			subUls[0].style.display = "block";
		}
	}
}

function hideLeftSubMenu(currentUl) {
	currentUl.style.display = "none";
}