gistfile1.js

    function manuallyOpen() {
      var anchor = window.location.hash.substring(1);
      if (anchor.length > 0) {
        var element = document.getElementById(anchor);
        element.click();
      }
    }
  
    $(document).foundation();
    $(document).ready(function() {
      manuallyOpen();
      $(window).bind('hashchange', manuallyOpen);
    });