jQuery.fn.fadeToggle = function(speed, easing, callback) {
  return this.animate({opacity: 'toggle'}, speed, easing, callback);  
};

$(document).ready(function() {
$(".hide").show()

$('#catta-title').click(function() {
    $('#catta-hover-nav-bg').fadeToggle('slow');
  });
  
$('#po-title').click(function() {
    $('#po-hover-nav-bg').fadeToggle('slow');
  });
  
});