var gcalfeed;
  $.ajax({
   url: 'http://www.adamcbowen.com/demos/testing/wp-content/plugins/full-calendar-per-user-events/getgcalfeed.php',
   dataType: 'json',
   type: "POST",
     success: function(data) {
      var gcalfeed = data;
      alert(gcalfeed);
     }
     });