[Lynne]

Take a look at what you have in your css, this isn't going to work:

.social_group .vbmenu_control {
    text-align: left;
    float: right;
    background: none;
    padding: 6px 0px;
    margin: rightpx;
}
OR
#discussion_moderation, .discussion_tools {
    float: right;
    text-align: left;
    clear: right;
    white-spcae: nowrap;
}

But, using firebug shows me you didn't close the div for your navbar/navbits area (navbar?).