$(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');
});
});