gistfile1.txt

    $(document).bind("ajax:before", function() {
      console.log("ajax:before");
    })  

    $(document).bind("ajax:beforeSend", function() {
      console.log("ajax:beforeSend");
    })

    $(document).bind("ajax:success", function() {
      console.log("ajax:success");
    })

    $(document).bind("ajax:complete", function() {
      console.log("ajax:complete");
    })

    $(document).bind('ajax:error', function(){ 
      console.log('ajax failed');
    });
    $(document).bind('ajax:success', function(){ 
      console.log('ajax succeded');
    });