.link_topo:link,
.link_topo:visited,
.link_topo:active 
{
    color: #FFF;
    text-decoration: none;
}

.link_topo:hover 
{
    color: #FFF;
    text-decoration: underline;
    cursor: pointer;
}

#mbox
{
    position: absolute;
    display: none;
    background-color: #fff;
    border: 1px solid #aaa;
    padding: 0;
    z-index: 1000;
}

#ModalBG
{
    background-color: #333;
    display: none;
    filter: alpha(opacity=30);
    position: absolute;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
    opacity: .40;
    z-index: 999;
}