function riga_selezionata(id_contenitore,id_riga)
		{
			var list = document.getElementById(id_contenitore);
  			var items = list.getElementsByTagName("div");
		    var itemsString = "";
			var itemIDs = "";
	
 			   	for (var i = 0; i < items.length; i++) 
				{
					
				var id_temp = items[i].id;
					switch(items[i].className)
					{
					case "rubrica_riga":
					items[i].style.color="#000000";
					items[i].style.backgroundColor="#FFFFFF";
					break;
					case "iphoto_foto":
					items[i].style.border="1px solid #d1d1d1";
					break;
					case "mail_riga":
					items[i].style.color="#000000";
					items[i].style.backgroundColor="#FFFFFF";
					break;
					case "itunes_songa":
					items[i].style.color="#000000";
					items[i].style.backgroundColor="#FFFFFF";
					break;
					case "itunes_songb":
					items[i].style.color="#000000";
					items[i].style.backgroundColor="#f1f5fa";
					break;
					case "itunes_sez_riga":
					items[i].className="itunes_sez_riga";
					break;
					case "itunes_sez_riga_s":
					items[i].className="itunes_sez_riga";
					break;
					case "itunes_movie":
					items[i].style.border="10px solid #fff";
					break;
					case "file_cartella":
					
					break;
					case "cartella_barra_laterale_sez_riga":
					items[i].className="cartella_barra_laterale_sez_riga";
					break;
					case "cartella_barra_laterale_sez_riga_s":
					items[i].className="cartella_barra_laterale_sez_riga";
					break;
					}
				
				}
				
				switch(document.getElementById(id_riga).className)
				{
					case "rubrica_riga":
					document.getElementById(id_riga).style.color="#ffffff";
					document.getElementById(id_riga).style.backgroundColor="#3875d7";
					break;
					case "iphoto_foto":
					document.getElementById(id_riga).style.border="1px solid #3875d7";
					break;	
					case "mail_riga":
					document.getElementById(id_riga).style.color="#ffffff";
					document.getElementById(id_riga).style.backgroundColor="#3875d7";
					break;
					case "itunes_songa":
					document.getElementById(id_riga).style.color="#ffffff";
					document.getElementById(id_riga).style.backgroundColor="#3875d7";
					break;
					case "itunes_songb":
					document.getElementById(id_riga).style.color="#ffffff";
					document.getElementById(id_riga).style.backgroundColor="#3875d7";
					break;
					case "itunes_sez_riga":
					document.getElementById(id_riga).className="itunes_sez_riga_s";
					break;
					case "itunes_sez_riga_s":
					document.getElementById(id_riga).className="itunes_sez_riga_s";
					break;
					case "itunes_movie":
					document.getElementById(id_riga).style.border="10px solid #4787cc";
					break;
					case "file_cartella":
					
					break;
					case "cartella_barra_laterale_sez_riga_s":
					document.getElementById(id_riga).className="cartella_barra_laterale_sez_riga_s";
					break;
					case "cartella_barra_laterale_sez_riga":
					document.getElementById(id_riga).className="cartella_barra_laterale_sez_riga_s";
					break;
					
				}
		}