.overlay 
{
	position: fixed;
	z-index: 99;
	top: 0px;
	left: 0px;
	background-color: #FFFFFF;
	width: 100%;
	height: 100%;
	opacity: 0.70;
	-moz-opacity: 0.70;
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=70)"; /* for IE8, list 1st */
	filter: alpha(opacity = 50); /* for IE7, list 2nd */
		
}
* html .overlay 
{
	position: absolute;
	height: expression(document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + 'px');
	width: expression(document.body.scrollWidth > document.body.offsetWidth ? document.body.scrollWidth : document.body.offsetWidth + 'px');
}
.loader 
{
	z-index: 100;
	position: fixed;
	width: auto;
	margin-left: -60px;
	top: 50%;
	left: 50%;
}
* html .loader 
{
	position: absolute;
	margin-top: expression((document.body.scrollHeight / 4) + (0 - parseInt(this.offsetParent.clientHeight / 2) + (document.documentElement && document.documentElement.scrollTop || document.body.scrollTop)) + 'px');
}