#elMenu { position: relative ; height: auto; width: auto}

#elMenuUp { 
    position: absolute;
    top: 0;
    left: 0; 
    height: 366px; 
    width: 136px}

#elMenuOver {
    position: absolute;
    visibility: hidden;
    top: 0;
    left: 0; 
    height: 366px; 
    width: 136px}