$(document).ready(function() {
    $('ul.mainNavigation li').mouseenter(function() {
        //console.log('mouseenter mainNavigation li');
        if($(this).children('ul.subNavigation').size() > 0) {
             //console.log('show subNavigation');
            $(this).children('ul.subNavigation').fadeIn("fast");
        }
    });
    
    $('ul.mainNavigation li').mouseleave(function() {
        //console.log('mouseleave mainNavigation li');
        if($(this).children('ul.subNavigation').size() > 0) {
             //console.log('hide subNavigation');
            $(this).children('ul.subNavigation').fadeOut("fast");
        }
    });
    
    $("a").click(function () {
        var classi = $(this).attr("class");
      $("."+classi).show("slow");
    });
    
    $(".close").click(function () {
        var id = $(this).attr("id");
      $("div."+id).hide("slow");
    });

    
});