/*this must be set so that the loading div can be height:100% */
html, body {
	height: 100%
}

/*this is what we want the div to look like
    when it is not showing*/
div.loading-invisible { /*make invisible*/
	display: none;
}

div.loading-visible {
	z-index: 2001;
	display: block;
	position: fixed;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	text-align: center;
	/*set the padding, so that the content of the div is centered vertically*/
	padding-top: 25%;
}

div.loading-background {
	z-index: 2000;
	display: block;
	position: fixed;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	/*in supporting browsers, make it a little transparent*/
	background: #fff;
	_background: none; /*this line removes the background in IE*/
	opacity: 0.3;
	-moz-opacity: 0.3;
	-ms-filter: "alpha(opacity=30)"; /* IE 8 */
	filter: alpha(opacity = 30); /* IE < 8 */
	border-top: 1px solid #ddd;
	border-bottom: 1px solid #ddd;
}