#mistake {background-image:url(overlay.png);position:absolute;margin:auto;top:0;left:0;z-index:1000;width:100%}
* html #mistake {background-image:none} 
#m_window {position:absolute;background:#fff;border:5px solid #aaa;border-radius:10px;overflow:auto;width:400px;/*350px;*/height:500px;/*400px;*/z-index:150}
/*html #m_window {left:50%;margin-left:-175px}*/
#m_frame {border:0;overflow:auto;width:100%;height:430px/*378*}
* html #m_frame {margin-top:7px}