.img_out  { background-image: url(../images/concept/image_off_nobd.gif); margin: 0; padding: 0; overflow: hidden }
.img_in  { background-image: url(../images/concept/image_on_bd.gif); padding: 43px 39px 0 37px; float: left }
.img_in_off  { background-image: url(../images/concept/image_on_nobd.gif); padding: 43px 39px 0 37px; float: left }
#img_footer { background-color: #e6e6e6; background-image: url(../images/concept/image_footer.gif); background-repeat: no-repeat; background-position: center bottom; position: relative; height: 55px }
#img_footer a { background-repeat: no-repeat; background-position: center; display: block; width: 23px; height: 23px }
#img_footer a.link_next { background-image: url(../images/concept/image_btn_next.gif); position: absolute; top: 20px; left: 480px }
#img_footer a.link_before { background-image: url(../images/concept/image_btn_prev.gif); position: absolute; top: 20px; left: 440px }
#img_footer a span { display: none }