.modal-overlay {
	position:fixed;
	top:0;
	right:0;
	bottom:0;
	left:0;
	height:100%;
	width:100%;
	margin:0;
	padding:0;
	background:#000000;
	opacity:.80;
	filter: alpha(opacity=80);
	-moz-opacity: 0.80;
	z-index:1001;
}
* html .modal-overlay {
	position: absolute;
 height: expression(document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + 'px');
}
.modal-window {
	position:fixed;
	top:50%;
	left:50%;
	margin:0;
	padding:0;
	z-index:1002;
}
* html .modal-window {
	position:absolute;
}