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    /* Mobile version, MENU
    ---------------------------------------------------------------------------------------------------- */
    var hamburger = {

        init: function(el) {
            this.elements             = {};
            this.elements.el          =  $(el);
            this.elements.header      =  $('#header-mobile');
            this.elements.closeButton =  $('.hamburger-close');
        },

        open: function(e) {
            this.elements.header.fadeIn();
            e.preventDefault();
        },

        close: function(e) {
            this.elements.header.fadeOut();
            e.preventDefault();
        },

        getElement: function(el)
        {
            return this.elements[el];
        }
    };


    // init
    hamburger.init('.hamburger');

    // open
    hamburger.getElement('el').click(function(e){
        hamburger.open(e);
        $('#bg-overlay').show();
        
    });

    // close
    hamburger.getElement('closeButton').click(function(e){
        hamburger.close(e);
        $('#bg-overlay').hide();
    });



    $(document).click(function(e){


        var $hamburgerLink = $('a.hamburger .icon-11');
        var $mobileNav = $('.navigation--mobile');
        
        if ($hamburgerLink.is(e.target))
        {
            // nic
        }

        else if (!$mobileNav.is(e.target) 
            && $mobileNav.has(e.target).length === 0)
        {
            
            if ($('#bg-overlay').is(':visible') && $('#header-mobile').is(':visible'))
            {

                $('#bg-overlay').hide();
                hamburger.close(e);
            }
            
        }




    });

    /* Calendar - step 3
    ---------------------------------------------------------------------------------------------------- */
    function Calendar(el)
    {
        
        this.el     = $(el);
        this.header = $('thead', this.el);
        this.body   = $('tbody', this.el);

        this.open = function() {
            this.el.removeClass().addClass('open calendar');
            this.showBody();
        };        
        this.close = function() {
            this.el.removeClass().addClass('calendar');
            this.hideBody();
        };

        this.showBody = function() {
            this.body.show();
        };

        this.hideBody = function() {
            this.body.hide();
        };

        this.toggle = function() {

            this.body.is(':visible') ? this.close() : this.open();

        };

        this.selectDate = function(date) {
            this.header.find('th').text(date);
        };
    }
     // var calendar = {
     //    init: function(el)
     //    {
     //        this.el = $(el);
     //        this.header = $('thead', this.el);
     //        this.body = $('tbody', this.el);
     //    },

     //    open: function() {
     //        this.header.removeClass().addClass('open');
     //        this.showBody();
     //    },        
     //    close: function() {
     //        this.header.removeClass();
     //        this.hideBody();
     //    },

     //    showBody: function() {
     //        this.body.show();
     //    },
     //    hideBody: function() {
     //        this.body.hide();
     //    }

     // };

     var calendar = new Calendar('#calendar');

     calendar.header.click(function(){
            calendar.toggle();
     });     

     calendar.body.find('td.num').click(function(){
            calendar.selectDate($(this).data('date'));
     });