#pwoverlay {
	position: fixed;
	z-index:100;
	top: 0px;
	left: 0px;
	height:100%;
	width:100%;
	background:#000;
}

.TB_overlayBG {
	background-color:#000;
	_filter:alpha(opacity=75) !important;
	-moz-opacity: 0.50;
	opacity: 0.50;
}


* html  {
	margin:0;
	padding:0;
}

* html #pwoverlay { /* ie6 hack */
     position: absolute;
     height: expression(document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + 'px');
}