$(document).ready(function(){
// header scroll to top animation
$(window).scroll(function() {
if ($(this).scrollTop() == 0) {
$(function() {
$('#top-nav .nav-link').clearQueue().animate({lineHeight: '74px'}, 200, 'linear');
$('.navbar').clearQueue().animate({opacity: '0.75'}, 200, 'linear');
$('.navbar-header').clearQueue().animate({top: '10px'}, 200, 'linear');
$('header').data('expend', 'true');
console.log('scoll to the top');
});
} else if ($(this).scrollTop() != 0 && $('header').data('expend') != 'false') {
$(function() {
$('.navbar-header').clearQueue().animate({top: '0'}, 400, 'linear');
$('.navbar').clearQueue().animate({opacity: '1'}, 400, 'linear');
$('#top-nav .nav-link').clearQueue().animate({lineHeight: '54px'}, 400, 'linear');
$('header').data('expend', 'false');
});
}
});
});
