#header {position:relative; width:1000px;  height:400px;  z-index:1000; margin:0; padding:0;}
#indexVisual {position:relative; width:1000px; height:400px; margin:0 auto; z-index:1}
#indexVisual .visualNavi {position:absolute; z-index:10;}
#indexVisual .visualNavi li {float:left; display:block;width:15px;height:15px;text-indent:-9999px;background:url(buttons.png) right 0;cursor:pointer;}
#indexVisual .visualNavi li.over {background-position:left;}