.modalBackground
{
    /*background-color: Transparent;*/
    -moz-opacity: 0.75;
    opacity: 0.75;
    filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="Images/overlay.png", sizingMethod="scale");
    z-index: 999;
    position: absolute;
    background-color: #CCCCCC;
}
.Background
{
    position: relative;
    z-index: 999;
    width: 100%;
    height: 100%;
    min-height: 100%;
    min-width: 100%;
    filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/overlay.png', sizingMethod='crop');
    *filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/overlay.png', sizingMethod='crop');
    _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/overlay.png', sizingMethod='crop');
    opacity: 0.8;
    -moz-opacity: 0.8;
}