.flip {
    position:absolute;
    top:111px;
    left: 128px;
    width:21px;
    height:18px;
    opacity:0.0;
}
#flip {
    background:url(i.png) no-repeat center center;
    z-index:8000;
}
#fliprollie {
    display:none;
    opacity:0.5;
    background:url(i_rollie.png) no-repeat center left;
    z-index:7999;
}
#front {
    display:block;
} 
#back {
    display:none;
}