.cmp-prod
{
    width: 16px;
    height: 16px;
    background-image: url('sn-cat-prod/radiobutton_off.png');
    background-repeat: no-repeat;
    cursor: pointer;
    border: 0;
    float:left;
}

.cmp-prod2
{
    cursor: pointer;
}

.cmp-prod-on
{
    background-image: url('sn-cat-prod/radiobutton_on.png');
}