$(window).resize(function () {

    $('nav ul li.trans').hover(function () {

        var liId = $(this).attr('id'),

            move = 0,

            pixelLeft;



        switch (liId) {

            case 'li1':

                move = 341;

                break;

            case 'li2':

                move = 241;

                break;

            case 'li3':

                move = 170.5;

                break;

            case 'li4':

                move = 94.7;

                break;

        }



        pixelLeft = $(window).width() * (100 - ((move / $(window).width()) * 100) / 100);

        $('#li1:hover').find('.text').css('left', pixelLeft + 'px');

    });

});