#progressBackgroundFilter {
    position:fixed; 
    top:0px; 
    bottom:0px; 
    left:0px;
    right:0px;
    overflow:hidden; 
    padding:0; 
    margin:0; 
    background-color:#000; 
    filter:alpha(opacity=50); 
    opacity:0.5; 
    z-index:1000; 
}
#progressBackgroundFilterLight {
    position:fixed; 
    top:0px; 
    bottom:0px; 
    left:0px;
    right:0px;
    overflow:hidden; 
    padding:0; 
    margin:0; 
    background-color:#000; 
    filter:alpha(opacity=10); 
    opacity:0.1; 
    z-index:1000;
}
#processMessage { 
    position:fixed; 
    top:30%; 
    left:43%;
    padding:10px; 
    width:10%; 
    z-index:1001; 
    background-color:#fff;
    border:solid 1px #000;
}
.PostbackImageHover 
{
    cursor: pointer;
    filter:alpha(opacity=80); 
    opacity:0.8; 
}