#GB_overlay {
  background-image: url(../img/greybox/overlay.png); 
  position: absolute;
  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(../img/greybox/blank.gif);
  filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="overlay.png", sizingMethod="scale");
}

#GB_window {
	background: #FFF;
	height: 400px;
	left: 0px;
	padding: 20px 0 0 0;
	position: absolute;
	overflow: auto;
	top: 10px;
	width: 400px;
	z-index: 150;
	-moz-border-radius: 20px;
	-webkit-border-radius: 20px;
}

#GB_frame {
  border: 0;
  display: block;
  height: 378px;
  margin: auto;
  overflow: auto;
  width: 95%;
}

#GB_caption {
	font: 12px bold helvetica, verdana, sans-serif;
	color: #fff;
	background: red;
	padding: 2px 0 2px 5px;
	margin: 0;
	text-align: left;
	display: none; /* no need to show it. comment out as needed */
}

#GB_window img {
  position: absolute;
  top: 10px;
  left: 15px;
  cursor: pointer;
  cursor: hand;
}