document.addEventListener('DOMContentLoaded', function() {
'use strict';
window.addEventListener('scroll', function () {
// fixedHeader on scroll
function fixedHeader() {
var headerTopBar = document.querySelector('.top-bar').offsetHeight;
var headerOneTopSpace = document.querySelector('.header-one .logo-area').offsetHeight;
var headerOneELement = document.querySelector('.header-one .site-navigation');
if (window.pageYOffset > headerTopBar + headerOneTopSpace) {
headerOneELement.classList.add('navbar-fixed');
document.querySelector('.header-one').style.marginBottom = headerOneELement.offsetHeight + 'px';
} else {
headerOneELement.classList.remove('navbar-fixed');
document.querySelector('.header-one').style.marginBottom = '0';
}
}
fixedHeader();
});
});