#green_channel
        {             
            z-index: 999;
            position: fixed;
            bottom: 0;
            right: 0;
            _position: absolute;
            _top: expression(documentElement.scrollTop + documentElement.clientHeight-this.offsetHeight);
            overflow: visible;
            background-color:#F5F5F5;
            border-top-left-radius:5px;
            border-top-right-radius:5px;
            border-top:dashed;
            border-top-width:1px;
        }

/*End 漂浮效果*/