.cellatop {
	background-attachment: fixed;
	background-image: url(immagini/img_02.png);
	background-repeat: repeat-x;
	background-position: center top;
}
.listino {
	background-attachment: scroll;
	background-image: url(immagini/fondocella.png);
	background-repeat: no-repeat;
	background-position: center center;
}
.cellaform {
	background-attachment: scroll;
	background-image: url(immagini/form_02.png);
	background-repeat: no-repeat;
	background-position: center top;
}