gistfile1.js

  var currentOpenItem,
      lastOpenItem,
      isOpen = false,
      myHeight = 44,
      headerNav = $('.header-nav'),
      closeDiv = $('#close');

 $(".team .thumb").show();
  // close .header-nav bar  
  $('#menu-item-653').click(function() {
    $('header').animate({ marginTop: '+=330' }, 500, function() {
      $('.header-nav #branding').hide('fast', function() {
        $('.menu-main-container').hide('fast');
          closeDiv.fadeIn('slow', function() {
          });
          if (isOpen) {
           headerNav.animate({ height: '-='+myHeight }, 500); 
            isOpen = false;
          }
      });
    });
  });
  
  //open .header-nav bar
  closeDiv.click(function() {
    closeDiv.hide('fast', function() {
      $('.menu-main-container').show('fast');
        $('.header-nav #branding').show('fast');
          $('header').animate({ marginTop: '-=330' }, 500);
    });
  });