.nav {
        margin: 0px auto ;
        height: 30px
}
.nav ul {
        padding-right: 0px ;
        padding-left: 0px ;
        padding-bottom: 0px ;
        margin: 0px ;
        padding-top: 0px ;
        list-style-type: none ;
}
.nav ul li {
        /*background: url(../images/nav_line.gif) no-repeat left 55% ;*/
		background:none;
        display: inline;
        line-height: 30px ;
        height: 30px ;
}