<script>

$(function() {
  var loc = window.location.href; // returns the full URL
  if(/about-us.html/.test(loc)) {
    $('#lihome').removeClass('current');
    $('#liabout').addClass('current');
  }
  if(/services.html/.test(loc)) {
    $('#lihome').removeClass('current');
    $('#liservices').addClass('current');
  }
  if(/our-work.html/.test(loc)) {
    $('#lihome').removeClass('current');
    $('#liwork').addClass('current');
  }
  if(/contact-us.html/.test(loc)) {
    $('#lihome').removeClass('current');
    $('#licontact').addClass('current');
  }

});

</script>