.ad1
        {
            width: 130px;
            padding: 0;
            position: fixed;
            top: 80px;
            _position: absolute;
            _top: expression(documentElement.scrollTop + 150 +  'px' );
            left: 0;
            border: 1px solid #CCC;
            border-left: none;
            border-radius: 4px;
            -moz-border-radius: 4px;
            -webkit-border-radius: 4px;
            border-right-radius: none;
            -moz-border-radius-bottomright: 0;
            -moz-border-radius-topright: 0;
            text-align: center;
            z-index: 998;
            background-color: white;
            height: 480px;
        }
        .ad2
        {
            width: 130px;
            padding: 0;
            position: fixed;
            top: 240px;
            _position: absolute;
            _top: expression(documentElement.scrollTop + 150 +  'px' );
            right: 0;
            border: 1px solid #CCC;
            border-right: none;
            border-radius: 4px;
            -moz-border-radius: 4px;
            -webkit-border-radius: 4px;
            border-right-radius: none;
            -moz-border-radius-bottomright: 0;
            -moz-border-radius-topright: 0;
            text-align: center;
            z-index: 998;
            background-color: white;
           
        }
        .ad1small
        {
            width: 23px;
            padding: 0;
            position: fixed;
            top: 80px;
            _position: absolute;
            _top: expression(documentElement.scrollTop + 150 +  'px' );
            left: 0;
            border: 1px solid #CCC;
            border-right: none;
            border-radius: 4px;
            -moz-border-radius: 4px;
            -webkit-border-radius: 4px;
            border-right-radius: none;
            -moz-border-radius-bottomright: 0;
            -moz-border-radius-topright: 0;
            text-align: center;
            z-index: 999;
            background-color: White;
            height: 100px;
        }
        .ad2small
        {
            width: 23px;
            padding: 0;
            position: fixed;
            top: 80px;
            _position: absolute;
            _top: expression(documentElement.scrollTop + 150 +  'px' );
            right: 0;
            border: 1px solid #CCC;
            border-right: none;
            border-radius: 4px;
            -moz-border-radius: 4px;
            -webkit-border-radius: 4px;
            border-right-radius: none;
            -moz-border-radius-bottomright: 0;
            -moz-border-radius-topright: 0;
            text-align: center;
            z-index: 999;
            background-color: White;
            height: 100px;
        }
        .noshow
        {
            display: none;
        }