$(document).ready(function($){
  // Add class .active to current link
  var cUrl = String(window.location).split('?')[0];

  if (cUrl.substr(cUrl.length - 1) == '#') {
    cUrl = cUrl.slice(0,-1);

    $.navigation.find('a').each(function(){
      if (cUrl.includes(this.href)) {
        $(this).parents('ul').add(this).each(function(){
          $(this).parent().addClass('open');
        });
      }
    });
  }
});