#nav {
    width: 160px;
    overflow: hidden;
}

#nav a {
    display: block;
    padding-left: 160px;
    overflow: hidden;
}

#nav a.notselected:hover {
    background-position: -160px 0px;
}

#nav a.selected {
    background-position: -320px 0px;
}

a#portfolio {
    background: url("images/portfolio.gif") 0px 0px no-repeat;
    height: 34px;
}

a#about {
    background: url("images/about.gif") 0px 0px no-repeat;
    height: 34px;
}

a#rates {
    background: url("images/rates.gif") 0px 0px no-repeat;
    height: 34px;
}

a#contact {
    background: url("images/contact.gif") 0px 0px no-repeat;
    height: 34px;
}

a#seniors {
    background: url("images/seniorsnav.gif") 0px 0px no-repeat;
    height: 34px;
}

a#specials {
    background: url("images/specialsregular.gif") 0px 0px no-repeat;
    height: 34px;
}

<!-- a#blog {
    background: url("images/blog.gif") 0px 0px no-repeat;
    height: 34px;
} -->