span.imgDesc {
	position: relative;
	line-height: 18px;
	padding: 16px 10px 5px 10px;
	background: url(bg_desc.gif);
	color: #eee;
	font-size:9px;
	display: block;
	text-align: left;
}
.imaDesc-opacity {
	filter:alpha(opacity=0);
	-moz-opacity: 0;
	opacity: 0;
}