.tbox {position:absolute; z-index:900; background:#0071c5}
.tinner {background:#0071c5 url(mrm/preload.gif) no-repeat 50% 50%;}
.tmask {position:absolute; display:none; top:0px; left:0px; height:100%; width:100%; background:#000; z-index:800}
.tclose {position:absolute; top:0px; right:0px; width:30px; height:30px; cursor:pointer; background:url(close.png) no-repeat}
.tclose:hover {background-position:0 -30px}

#mask {background:#000}
#frameless {padding:0}
#frameless .tclose {right:2px;top:2px;}