.leftbg {
	background-attachment: fixed;
	background-image: url(images/leftbg.gif);
	background-repeat: repeat-y;
	background-position: left top;
}
.rightbg {
	background-attachment: fixed;
	background-image: url(images/rightbg.gif);
	background-repeat: repeat-y;
	background-position: left top;
}