*html #fade {
	position: absolute;

	top:expression(eval(document.compatMode &&
	document.compatMode=='CSS1Compat') ?
	documentElement.scrollTop
	: document.body.scrollTop);
}

*html .popup_block {
	position: absolute;

	top:expression(eval(document.compatMode &&
	document.compatMode=='CSS1Compat') ?
	documentElement.scrollTop
	+((documentElement.clientHeight-this.clientHeight)/2)
	: document.body.scrollTop
	+((document.body.clientHeight-this.clientHeight)/2));

	left:expression(eval(document.compatMode &&
	document.compatMode=='CSS1Compat') ?
	documentElement.scrollLeft
	+ (document.body.clientWidth /2 )
	: document.body.scrollLeft
	+ (document.body.offsetWidth /2 ));
}

#showimage{
	visibility:hidden;
}

.popup_block {
	background: #ddd;
	padding: 10px 20px;
	border: 10px solid #fff;
	float: left;
	width: 600px;
	position: fixed;
	top: 40%;
	left: 45%;
	margin: 0 0 0 -250px;
	z-index: 100;
}
.popup_block .popup {
	float: left;
	width: 100%;
	background: #fff;
	margin: 10px 0;
	padding: 10px 0;
	border: 1px solid #bbb;
}

.popup img.cntrl {
	position: absolute;
	right: -20px;
	top: -20px;
}

#fade {
	background: #000;
	position: fixed;
	width: 100%;
	height: 100%;
	filter:alpha(opacity=80);
	opacity: .80;
	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=80)"; /*--IE 8 Transparency--*/
	left: 0;
	top: 0;
	z-index: 10;
}