#alt_wd{display:none;position:absolute;overflow:hidden;cursor:auto !important;}.bar{position:absolute;left:0px;top:0px;z-index:3;width:100%;height:16px;}.bar .l{width:100%;cursor:move;}.bar .r{width:16px;}.btn_cls{display:inline-block;margin:3px 5px 3px 0px;background:url( ../img/close_button.png ) no-repeat 0px 0px;width:16px;height:16px;overflow:hidden;}.btn_cls:hover{background-position:0px -16px;}.ctt{position:absolute;left:0px;top:0px;z-index:2;width:100%;height:100%;}.ctt .t{width:100%;height:6px;overflow:hidden;}.ctt .b{width:100%;height:100%;overflow:auto;}#alt_wd_ctt{filter:alpha(opacity=);opacity:;width:100%;height:100%;overflow:auto;color:#FFF;}.bg{position:absolute;left:0px;top:0px;z-index:1;background-color:#000;filter:alpha(opacity=90);opacity:0.9;width:100%;height:100%;}