.midd {
	background-attachment: fixed;
	background-image: url(images/hp_20.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}
.rightt {
	background-attachment: fixed;
	background-image: url(images/hp_20.jpg);
	background-repeat: no-repeat;
	background-position: right;
}
.leftt{
	background-attachment: fixed;
	background-image: url(images/hp_20.jpg);
	background-repeat: no-repeat;
	background-position: left;
}