#gtb_pos{width:32px;height:84px}#gtb_pos{position:fixed;right:6px;top:45%}#gtb_top,#gtb_bottom,#toTop,#toBottom{position:absolute;left:0;width:32px;height:32px}#gtb_top{top:0;background:url(../images/scrolling-buttons.png) no-repeat left -96px}#gtb_bottom{bottom:0;background:url(../images/scrolling-buttons.png) no-repeat right -96px}#toTop{top:0;background:url(../images/scrolling-buttons.png) no-repeat left top}#toBottom{bottom:0;background:url(../images/scrolling-buttons.png) no-repeat right top}a#toTop,a#toBottom{outline:none}a#toTop:hover,#toTop.toTop-click{background:url(../images/scrolling-buttons.png) no-repeat left -32px}a#toTop:active{background:url(../images/scrolling-buttons.png) no-repeat left -64px}a#toBottom:hover,#toBottom.toBottom-click{background:url(../images/scrolling-buttons.png) no-repeat right -32px}a#toBottom:active{background:url(../images/scrolling-buttons.png) no-repeat right -64px}