$(document).ready(function() {
  $("#topMenu a").each(function() {
    var href = $(this).attr('href');
    var location = window.location.href.split("/");
    location = location[location.length - 1];
    if (location == 'Gallery.aspx' || location == 'Catelogue.aspx')
      $('.projects li').css('display', 'block');
    if (location == 'Design.aspx' || location == '3D-CAD.aspx')
      $('.design li').css('display', 'block');
    if (href == location)
      $(this).addClass('current');
    else
      $(this).removeClass('current');
  });
});