#GB_overlay {
  background-image: url(plants/images/overlay.png); 
  position: absolute;
  margin: auto;
  top: 0;
  left: 0;
  z-index: 100;
}

* html #GB_overlay {
  background-color: #000;
  background-color: transparent;
  background-image: url(plants/images/blank.gif);
  filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="plants/images/overlay.png", sizingMethod="scale");
}

#GB_window {
  top: 22px;
  left: 0;
  position: absolute;
  background-color: #fff;
  border: 5px solid #aaa;
  border-top: 0;
  overflow: visible;
  z-index: 150;
}

#GB_frame {
  border: 0;
  overflow: auto;
}

#GB_header {
  margin: 0;
  top: 0;
  border-left: 5px solid #aaa;
  border-right: 5px solid #aaa;
  height: 22px;
  position: absolute;
  background-color: #888;
  z-index: 151;
}

#GB_caption {
  font-family: helvetica, verdana, sans-serif;
  font-size: 12px;
  color: #fff;
  font-weight: bold;
  padding: 4px 0 0 5px;
  margin: 0;
  text-align: left;
}

#GB_close {
  padding: 2px 5px 0 0;
  float: right;
  cursor: pointer;
}