home_ns                     = new Image;
        home_sel                    = new Image;
    
        product_ns                  = new Image;
        product_sel                 = new Image;

        overons_ns                  = new Image;
        overons_sel                 = new Image;
        
        links_ns                    = new Image;
        links_sel                   = new Image;
        
        referenties_ns              = new Image;
        referenties_sel             = new Image;
        
        contact_ns                  = new Image;
        contact_sel                 = new Image;

        home_ns.src                 = '../images/buttons/home-ns.png';
        home_sel.src                = '../images/buttons/home-sel.png';

        product_ns.src              = '../images/buttons/producten-ns.png';
        product_sel.src             = '../images/buttons/producten-sel.png';

        overons_ns.src              = '../images/buttons/overons-ns.png';
        overons_sel.src             = '../images/buttons/overons-sel.png';

        links_ns.src                = '../images/buttons/links-ns.png';
        links_sel.src               = '../images/buttons/links-sel.png';

        referenties_ns.src          = '../images/buttons/referenties-ns.png';
        referenties_sel.src         = '../images/buttons/referenties-sel.png';

        contact_ns.src              = '../images/buttons/contact-ns.png';
        contact_sel.src             = '../images/buttons/contact-sel.png';