function onLoad() {
}

function showSubmenu() {
	showHideSubmenu(true);	
}

function hideSubmenu() {
	showHideSubmenu(false);
}

function showHideSubmenu(show) {
	var navigationSubmenu = document.getElementById("navigationSubmenu");
	
	var display = "block";
	if (!show) {
		display = "none";
	} 
	
	navigationSubmenu.style.display = display;
}