function Menu(id) {
	
	m = document.getElementById('Menu'+id);
	i = document.getElementById('Item'+id);
		
	if( i.className == 'SubmenuSelected' ) {
		
		m.style.display = 'none';
		m.className = 'Submenu';
		i.className = 'Submenu';
		
	}
	else if( i.className == 'Submenu' ) {
		
		m.style.display = 'block';
		m.className = 'SubmenuSelected';
		i.className = 'SubmenuSelected';
		
	}

}