.nav {
         padding:0px 0 0 128px;
         list-style:none;
         height:5px;
         background:transparent url(image/0c.gif) repeat-x left bottom;
         font-size:12px;
}
.nav li {
           float:left;
           height:40px;
           margin-right:1px;
}
.nav li a {  
             display:block;
             float:left;
             height:40px;
             line-height:35px;
             color:#eee;
             text-decoration:none;
             font-family:arial, verdana, sans-serif;
             font-weight:bold;
             text-align:center;
             padding:0 0 0 4px;
             cursor:pointer;
             background:url(image/0a.gif) no-repeat;
}
.nav li a b {
               float:left;
               display:block;
               padding:0 24px 5px 20px;
               background:url(image/0b.gif) no-repeat right top;
}
.nav li.current a {
                     color:#fff;
                     background:url(image/2a.gif) no-repeat;
}
.nav li.current a b {
                        background:url(image/2b.gif) no-repeat right top;
}
.nav li a:hover {
                   color:#fff;
                   background: url(image/1a.gif) no-repeat;
}
.nav li a:hover b {
                      background:url(image/1b.gif) no-repeat right top;
}
.nav li.current a:hover {
                           color:#fff;
                           background: url(image/2a.gif) no-repeat;
                           cursor:default;
}
.nav li.current a:hover b {
                             background:url(image/2b.gif) no-repeat right top;
}