function showOverflow(node) {
	$(node).css({
		overflow: 'visible'
	});
	
	var child = $(node).find('li.level1');
	child.css({
		zIndex: '2'
	});
	
	var child2 = $(node).find('ul.level2');
	child2.css({
		display: 'block',
		marginBottom: '-1000px',
		overflow: 'visible',
		position: 'relative',
		background: '#fff'
	});
}

function hideOverflow(node) {
	$(node).css({
		overflow: 'hidden'
	});
	
	var child = $(node).find('li.level1');
	child.css({
		zIndex: '1'
	});
	
	var child2 = $(node).find('ul.level2');
	child2.css({
		display: 'none'
	});
}