#WaitBoxLayer {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 199;
    width: 100%;
    height: 100%;
    background-color: gray;
    opacity: 0.7;
}

#WaitBox {
    display: none;
    position: absolute;
    z-index: 200;
    margin: auto;
    width: 150px;
    border-radius: 4px;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
}

#WaitBox .WaitImage {
    padding: 4px;
    height: 100px;
    background: transparent url(/openerp/static/images/progress.gif) no-repeat center 65%;
    text-align: center;
}