#lightbox_bg 
{
	position: fixed;
	z-index:100;
	top: 0px;
	left: 0px;
	height:100%;
	width:100%;
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
	filter:alpha(opacity=50);
	-moz-opacity: 0.50;
	opacity: 0.50;
}

* html #lightbox_bg { /* IE HTML doctype handling */
     position: absolute;
     height: expression(document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + 'px');
}

#lightbox_main
{
	position: fixed;
	background: #ffffff;
	z-index:101;
	display:block;
	top:50%;
	left:50%;
	border: 1px solid #555;
	-moz-box-shadow: rgba(0,0,0,1) 0 4px 30px;
	-webkit-box-shadow: rgba(0,0,0,1) 0 4px 30px;
	-khtml-box-shadow: rgba(0,0,0,1) 0 4px 30px;
	box-shadow: rgba(0,0,0,1) 0 4px 30px;
}

* html #lightbox_main { /* IE HTML doctype handling */
    position: absolute;
    margin-top: expression(0 - parseInt(this.offsetHeight / 2) + (TBWindowMargin = document.documentElement && document.documentElement.scrollTop || document.body.scrollTop) + 'px');
}

#lightbox_content
{
    position: absolute;
    top : 0px;
    left : 0px;
}