div.leftimage { 
    background-image: url(../img/title_barepcb.jpg);
    background-repeat: no-repeat;
    width: 183px;
}

div.rightimage { 
    background-image: url(../img/title_atmosschem.jpg);
    background-repeat: no-repeat;
    width: 249px;
}

div.maincontent { 
    background-image: url(../img/bgnd_circuit.jpg);
    background-position: center top;
    background-repeat: repeat-y;
}