$(document).ready(function(){
$('a[href^="/#"]').on('click',function (e) {
e.preventDefault();
var target = this.hash,
$target = $(target);
var navHeight = $( window ).height() - $( window ).height();
if ($(window).scrollTop() > navHeight) {
$('html, body').stop().animate({
'scrollTop': $target.offset().top-0 }, 900, 'swing');
}
else {
$('html, body').stop().animate({
'scrollTop': $target.offset().top-0 }, 900, 'swing');
}
});
$(window).on('hashchange', function(e){
history.replaceState ("", document.title, e.originalEvent.oldURL);
});
});