.ultimate_mac {
    background: url(/mavisbeacon/2011/images/topback.jpg);
    text-align: center;
}
.ultimate_mac2 {
    background: url(/mavisbeacon2/images/topback.jpg);
    text-align: center;
}
.school_edition {
    background: url(/mavisbeacon/school/2011/images/mavis_school_edition_bck.jpg);
    text-align: center;
}
.school_edition_2009 {
    background: url(/mavisbeacon/school/2009/images/topback.jpg);
    text-align: center;
}
.school_edition_2008 {
    background: url(/mavisbeacon/school/images/topback.jpg);
    text-align: center;
}
.edition_2009 {
    background: url(/mavisbeacon/2009/images/topback.jpg);
    text-align: center;
}
.edition_2011 {
    background: url(/mavisbeacon/2011/images/topback.jpg);
    text-align: center;
}