function rss(){
			new Ajax.Request('rss/rss.php',{
								method:'post',
								onSuccess: function(data){
									//alert("success");
												var response = data.responseText || "no response text";
												document.getElementById('rsscontent').innerHTML = response;
												document.getElementById('loading').innerHTML = "";
												},
								onLoading: function(){
								//document.getElementById('loading').innerHTML = "<img src=\"loading.gif\" alt=\"loading\">";
							},
								onFailure: function(){ alert('Errore') }
						});
}