.menu {
color:#fff;
width:970px;
height:20px;
position:relative;
font-weight:bold;
z-index:100;
}

.menu ul li a, .menu ul li a:visited {
display:block;
text-decoration:none;
color:#fff;
width:161px;
height:25px;
text-align:center;
background-image:url('../design/menu_top.gif');
line-height:30px;
overflow:hidden;
}

.menu ul {
padding:0;
margin:0;
list-style: none;
}

.menu ul li {
float:left;
position:relative;
}

.menu ul li ul {
display: none;
}
.menu ul li:hover a {
color:#fff;
background-image:url('../design/menu_top2.gif');
}

.menu ul li:hover ul {
display:block;
position:absolute;
top:25px;
left:0;
width:161px;
}

.menu ul li:hover ul li ul {
display: none;
}

.menu ul li:hover ul li a {
display:block;
background-image:url('../design/menu_top4.gif');
color:#fff;
}

.menu ul li:hover ul li a:hover {
background-image:url('../design/menu_top3.gif');
color:#000;
}
.menu ul li:hover ul li:hover ul {
display:block;
position:absolute;
left:105px;
top:0;
}

.menu ul li:hover ul li:hover ul.left {
left:-161px;
}