Search with pretty permalinks

gistfile1.js

(function($){
  $(function(){
    $('#search-form').on('submit', function(e){
      e.preventDefault();
      var searchBox = $(this).find('input[type=search]'),
          searchTerm = '';

      if(searchBox.length === 0) {
        alert('No search term available');
        return false;
      }


      var searchTerm = searchBox.val();
      if (searchTerm) {
        var protocol = document.location.protocol,
            hostname = document.location.hostname;
        document.location.href = protocol + '//' + hostname + '/search/' + searchTerm;
      }
    });
  });
})(jQuery);