.black_overlay
        {
            display: none;
            position: absolute;
            top: 0%;
            left: 0%;
            width: 100%;
            height: 100%;
            background-color: black;
            z-index: 1001;
            -moz-opacity: 0.8;
            opacity: .80;
            filter: alpha(opacity=80);
        }
        .white_content
        {
            display: none;
            position: absolute;
            top: 1900px;
            left: 15%;
            width: 980px;
            background-color: white;
            z-index: 1002;
            overflow: auto;
        }
        .white_content_small
        {
            display: none;
            position: absolute;
            top: 20%;
            left: 30%;
            width: 980px
            height:80%;
            background-color: white;
            z-index: 1002;
            overflow: auto;
        }