#ajaxBackground
{
    position: fixed;
    z-index: 100;
    top: 0px;
    left: 0px;
    height: 100%;
    width: 100%;
    overflow: hidden;
    padding: 0;
    margin: 0;
    background-color: black;
    filter: alpha(opacity=0);
    opacity: 0;
    z-index: 500;
}
#ajaxProgress
{
    position: fixed;
    top:50%;
    left:50%;
    z-index: 600;
}