#GB_overlay {
  /*background-image: url(overlay.png);*/ 
  background-color:#FFFFFF;
	opacity:0.5;
	filter:alpha(opacity=50);
	position: absolute;
  margin: auto;
  top: 0;
  left: 0;
  z-index: 100;
  width:  100%;
  height: 1000px;
}

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

#GB_window {
  top: 70px;
  left: 0px;
  position: absolute;
  background: #FFFFFF;
  border: 1px solid #FFFFFF;
  overflow: auto;
  width: 630px !important;
  height: 600px !important;
  z-index: 150;
}

#GB_frame {
  border: 0;
  overflow: auto;
  width: 100%;
  height: 580px !important;
}

#GB_caption {
  font: 12px verdana, sans-serif;
  color: #999999;
  background: #FFFFFF;
  padding: 2px 0 2px 5px;
  margin: 0;
  text-align: left;
}

#GB_window img {
  position: absolute;
  top: 2px;
  right: 5px;
  cursor: pointer;
  cursor: hand;
}