var freshpingloader = new PeriodicalExecuter(function() 
	{
			new Ajax.Updater('freshpings', 'mainfreshpings.php', 
			{
				asynchronous:true, 
				onLoading:function(request){ Element.show('freshpingLoader'); },
				onComplete:function(request){ Element.hide('freshpingLoader'); },
				requestHeaders:['X-Update', 'freshpings']
			});
	}, 300);