#GB_overlay {
  background-image: url(overlay.png); 
  position: absolute;
  margin: auto;
  top: 0;
  left: 0;
  z-index: 100;
  width:  100%;
  height: 1310px;
}

* 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 {
position: fixed;
top: 5%;
left: 50%;
  /*top: 600px;
  left: 0px;*/
  /*position: absolute;*/
  background:transparent;
  /*border: 5px solid #aaa;*/
  overflow:hidden;
/*  width: 100px;
  height: 100px;*/
  /*z-index: 150;*/
}

#GB_frame {
  border: 0;
  overflow: hidden;
  /*width:440px;
  height:auto;*/
  /*width: 100%;
  height: 378px;*/
}

#GB_caption {
  font: 12px 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;
}