html,body { height:100%;margin:0;}

#GB_overlay {
 /* background-image: url(overlay.png); */
  position: fixed;
background:#000000;
filter:Alpha(Opacity=50);
-moz-Opacity:.5;
Opacity:.5;
  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: 40px;
  left: 0px;
  position: absolute;
  background: #fff;
  border: 2px solid #a8e2fd;
  overflow: auto;
  width: 400px;
  height: 400px;
  z-index: 150;
}

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

#GB_caption {
  font: 12px bold helvetica, verdana, sans-serif;
  color: #fff;
  background: #24bbeb;
  padding: 0px 0 5px 5px;
  margin: 0;
  text-align: left;
}

#GB_window img {
  position: absolute;
  top: -2px;
  right: 0px;
  cursor: pointer;
  cursor: hand;
}