.tlo {
	background-attachment: scroll;
	background-image: url(tloN.gif);
	background-repeat: repeat-y;
	background-position: center top;
}
.tloPOlo {
	background-attachment: scroll;
	background-image: url(../images/polo-fiera_13.gif);
	background-repeat: no-repeat;
	background-position: left top;
}