#GB_overlay {
  background-image: url(overlay.png); 
  position: absolute;
  margin: auto;
  top: 0;
  left: 0;
  z-index: 9999999;
  width:  100%;
  height: 100%;
}

* html #GB_overlay {
  background-image:none;	
  background: #000000;
  opacity:0.4;filter:alpha(opacity=40);
  /*filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="overlay.png", sizingMethod="scale");*/
}

#GB_window {
  top: 100px;
  left: 0px;
  position: absolute;
  overflow: hidden;
/*width: 400px;
  height: 400px;*/
 z-index: 99999999;
  
}

#GB_frame {
  border: 0;
  overflow: hidden;
  width: 100%;
  height: 378px;

}

#GB_caption {

}

#GB_window img {
  position: absolute;
  top: 9px;
  right: 8px;
  cursor: pointer;
  cursor: hand;
  z-index:1;
}