$(function() {

	$('ul.subitems-container').not('ul.subitems-container:has(li)').css('display','none');

	$('.menu li.top-menu-container').hover(
		function() {
			var idCat = $(this).attr('rel');
			var position = $(this).position();
			
			$('.sub-' + idCat)
				.css('top', position.top + 'px')
				.css('left', position.left + 'px')
				.css('visibility', 'visible');
		},
		function() {
			var idCat = $(this).attr('rel');
			$('.sub-' + idCat).css('visibility', 'hidden');	
		}
	);
});