.nav_bg {  background-attachment: fixed; background-image: url(images/head_bg_slice.gif); background-repeat: repeat; background-position: center top}
.bottom_bg {  background-attachment: fixed; background-image: url(images/bottom_bg.gif); background-repeat: repeat-x; background-position: center center}
.logo_bg {
	background-attachment: fixed;
	background-repeat: no-repeat;
	background-position: left center;
	border: 0px #000000 solid;
	background-image: url(images/head2.gif);
	visibility: visible;
	z-index: 5;
	float: left;
}