.sfondo {
	background-attachment: fixed;
	background-image: url(pics/sfondo2.gif);
	background-repeat: repeat-y;
	background-position: left top;

}
.sfondo2 {
	background-attachment: fixed;
	background-image: url(pics/sfondo1.gif);
	background-repeat: repeat-y;
	background-position: left top;

}
A.main {text-decoration: none; color: #cccccc;}
A.sub {text-decoration: none;}
a:hover {color: red; text-decoration: underline}