window.onDomReady (function(){
            
    $('ajax_form').addEvent('submit', function(e){

          new Event(e).stop();
          
          var message = $('form_message').empty().addClass('ajax_loader').removeClass('ajax_info');
          
          this.send({
                    update: message,
                    onComplete: function(){
                    message.removeClass('ajax_loader').addClass('ajax_info');
                    }
          });
      });
	  	
});