.nav {
        margin: 0px auto ;
        width: 820px ;
        height: 30px
}
.nav ul {
        padding-right: 0px ;
        padding-left: 0px ;
        float: left ;
        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;
        float: left ;
        line-height: 30px ;
        height: 30px ;
}
/*
#nav_home{
	width: 50px;
}
#nav_sb{
        width: 135px;
}
#nav_am{
        width: 125px;
}
#nav_bc{
        width: 100px;
}
#nav_ds{
        width: 135px;
}
#nav_free{
        width: 100px;
}
#nav_cu{
        width: 90px;
}
#nav_au{
        width: 85px;
}
#nav_blog{
        width: 60px;
}
*/