function openMenu(MenuClassName, idMenu, idUl) {
if (MenuClassName == 'close')
	{document.getElementById(idUl).style.display = 'block';
	 document.getElementById(idMenu).className = 'open';}	
else
	{document.getElementById(idUl).style.display = 'none';
	document.getElementById(idMenu).className = 'close';}		
}