ul.menu li{
    float:left;
    width:179px;
    height:48px;
    background:url("images/btn.png");
    position:relative;
}
ul.menu li a{
    display:block;
    width:100%;
    height:100%;
    line-height:48px;
    text-indent:30px;
    font-weight:bold;
    color:#CFDFB5;
    text-decoration:none;
    position:relative;
}
ul.menu li a:hover{
    background:url("images/btn_over.png");
}
ul.sub li{
    float:none;
}
ul.sub li ul.sub{
    position:absolute;
    left:179px;
    top:0;
}
ul.menu{
    zoom:1;
}
ul.menu:after {
    height:0;
    visibility:hidden;
    content:".";
    display:block;
    clear:both;
}

ul.sub{
    display:none;
}
* html ul.menu li{
    display:inline;
    zoom:1;
}
*+html ul.menu li{
    display:inline;
    zoom:1;
}
* html ul.sub{
    zoom:1;
    position:relative;
}
*+html ul.sub{
    zoom:1;
    position:relative;
}

ul.menu:after {
    content:".";
    display:block;
    clear:both;
    height:0;
    visibility:hidden;
}