$(document).ready(function() {
      // Base URL
      var baseUrl = "http://quorumassociates.com";
      // You need to target your sidebar here, change #sidebar to your sidebar identifier (id)
      $("#sidebar a").each(function(){
      var href = $(this).attr('href').replace(baseUrl,'');
      if (href == document.location.pathname) {
      $(this).addClass('current_post_item');
      }
      });
      });