#GB_overlay {

  background-image: url(overlay.png); 

  position:fixed;

  margin: auto;

  top: 0;

  left: 0;

  z-index: 100;

  width:  100%;

  height: 100%;

}



* html #GB_overlay {

  background-color: #000;

  background-color: transparent;

  background-image: url(blank.gif);

  filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="overlay.png", sizingMethod="scale");

}



#GB_window {

  top: 12px;

  left: 0px;

  position: fixed;

  background: #fff;

  border: 5px solid #000000;

  overflow: auto;

  width: 680px;

  height: 600px;

  z-index: 150;

}



#GB_frame {

  border: 0;

  overflow: auto;

  width: 100%;

  height: 378px;

}



#GB_caption {

  font: 10px bold helvetica, verdana, sans-serif;

  color: #fff;

  background: #888;

  padding: 2px 0 2px 5px;

  margin: 0;

  text-align: left;

}



#GB_window img {

  position: absolute;

  top: 2px;

  right: 5px;

  cursor: pointer;

  cursor: hand;

}