html, body{ margin:0; padding:0;}
a:visited {color:blue;}
.sidebarmenu ul{margin: 0;padding: 0;list-style-type: none;width: 181px;}
.sidebarmenu ul li{position: relative;}
.sidebarmenu a{display:block; width:181px; height:41px; overflow:hidden;}

.sidebarmenu ul li ul{position: absolute;width: 181px;top: 0;visibility: hidden;}

.sidebarmenu .nav1{ background:url(../img/nav_01.jpg) 0 0;}
.sidebarmenu .nav1:hover{ background:url(../img/nav_01.jpg) 0 -41px;}
.sidebarmenu .nav2{ background:url(../img/nav_02.jpg) 0 0;}
.sidebarmenu .nav2:hover{ background:url(../img/nav_02.jpg) 0 -41px;}
.sidebarmenu .nav3{ background:url(../img/nav_03.jpg) 0 0;}
.sidebarmenu .nav3:hover{ background:url(../img/nav_03.jpg) 0 -41px;}
.sidebarmenu .nav4{ background:url(../img/nav_04.jpg) 0 0;}
.sidebarmenu .nav4:hover{ background:url(../img/nav_04.jpg) 0 -41px;}
.sidebarmenu .nav5{ background:url(../img/nav_05.jpg) 0 0;}
.sidebarmenu .nav5:hover{ background:url(../img/nav_05.jpg) 0 -41px;}

.sidebarmenu .nav6{ background:url(../img/nav_06.jpg) 0 0;}
.sidebarmenu .nav6:hover{ background:url(../img/nav_06.jpg) 0 -41px;}
.sidebarmenu .nav7{ background:url(../img/nav_07.jpg) 0 0;}
.sidebarmenu .nav7:hover{ background:url(../img/nav_07.jpg) 0 -41px;}
.sidebarmenu .nav8{ background:url(../img/nav_08.jpg) 0 0;}
.sidebarmenu .nav8:hover{ background:url(../img/nav_08.jpg) 0 -41px;}

.sidebarmenu .nav9{ background:url(../img/nav_09.jpg) 0 0;}
.sidebarmenu .nav9:hover{ background:url(../img/nav_09.jpg) 0 -41px;}
.sidebarmenu .nav10{ background:url(../img/nav_10.jpg) 0 0;}
.sidebarmenu .nav10:hover{ background:url(../img/nav_10.jpg) 0 -41px;}

.sidebarmenu .nav11{ background:url(../img/nav_12.jpg) 0 0;}
.sidebarmenu .nav11:hover{ background:url(../img/nav_12.jpg) 0 -41px;}
.sidebarmenu .nav12{ background:url(../img/nav_13.jpg) 0 0;}
.sidebarmenu .nav12:hover{ background:url(../img/nav_13.jpg) 0 -41px;}

.sidebarmenu .nav13{ background:url(../img/nav_11.jpg) 0 0;}
.sidebarmenu .nav13:hover{ background:url(../img/nav_11.jpg) 0 -41px;}

.sidebarmenu .nav14{ background:url(../img/nav_14.jpg) 0 0;}
.sidebarmenu .nav14:hover{ background:url(../img/nav_14.jpg) 0 -41px;}
.sidebarmenu .nav15{ background:url(../img/nav_15.jpg) 0 0;}
.sidebarmenu .nav15:hover{ background:url(../img/nav_15.jpg) 0 -41px;}
.sidebarmenu .nav16{ background:url(../img/nav_16.jpg) 0 0;}
.sidebarmenu .nav16:hover{ background:url(../img/nav_16.jpg) 0 -41px;}
.sidebarmenu .nav17{ background:url(../img/nav_17.jpg) 0 0;}
.sidebarmenu .nav17:hover{ background:url(../img/nav_17.jpg) 0 -41px;}

.sidebarmenu .nav18{ background:url(../img/nav_18.jpg) 0 0;}
.sidebarmenu .nav18:hover{ background:url(../img/nav_18.jpg) 0 -41px;}
.sidebarmenu .nav19{ background:url(../img/nav_19.jpg) 0 0;}
.sidebarmenu .nav19:hover{ background:url(../img/nav_19.jpg) 0 -41px;}
.sidebarmenu .nav20{ background:url(../img/nav_20.jpg) 0 0;}
.sidebarmenu .nav20:hover{ background:url(../img/nav_20.jpg) 0 -41px;}
.sidebarmenu .nav21{ background:url(../img/nav_21.jpg) 0 0;}
.sidebarmenu .nav21:hover{ background:url(../img/nav_21.jpg) 0 -41px;}
.sidebarmenu .nav22{ background:url(../img/nav_22.jpg) 0 0;}
.sidebarmenu .nav22:hover{ background:url(../img/nav_22.jpg) 0 -41px;}
.sidebarmenu .nav23{ background:url(../img/nav_23.jpg) 0 0;}
.sidebarmenu .nav23:hover{ background:url(../img/nav_23.jpg) 0 -41px;}
.sidebarmenu .nav24{ background:url(../img/nav_24.jpg) 0 0;}
.sidebarmenu .nav24:hover{ background:url(../img/nav_24.jpg) 0 -41px;}

* html .sidebarmenu ul li { float: left; height: 1%; }
* html .sidebarmenu ul li a { height: 1%; }