/**
 * menu.js
 * 
 * $Id$
 * 
 * @version		1.0.0
 * @author		Masayuki Iwai <miyabi@mybdesign.com>
 * @copyright	Copyright &copy; 2009 Masayuki Iwai all rights reserved.
 **/


var g_current_menu = null;

function expandMenu(target)
{
	var objs = $(target.parentNode).select("ul.submenu");
	if(!objs)
		return;

	if(objs[0] == g_current_menu)
		return;

	if(g_current_menu)
		g_current_menu.hide();

	objs[0].show();
	g_current_menu = objs[0];
}