.sf_sx {
	text-decoration: none;
	background-attachment: scroll;
	background-image: url(../images/sf_sx.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}


.sf_dx {
	text-decoration: none;
	background-attachment: scroll;
	background-image: url(../images/sf_dx.jpg);
	background-repeat: no-repeat;
	background-position: right top;
}