$(document).ready(function() {
	$('.navigation > li').mouseover(function(event) {
		openSubNavigation($(this).index() + 1);
	});
	openSubNavigation($('.navigation > li .active').parent().index()+1);
});

function openSubNavigation(activeTopNavigationIndex) {
	$('#subnavigation-holder').html('');
	$('.navigation > li:nth-child(' + activeTopNavigationIndex + ') ul').clone().appendTo('#subnavigation-holder');
}