.banner {
	background-image: url(../ssImage/header640b.gif);
	margin-right: 0;
	margin-left: auto;
	text-align:center;
	background-color: #990000;
	
}
.mask {
	width:100%;
	background-color: #990000;
	filter:alpha(opacity=50);
	-moz-opacity:0.3;
	opacity:0.5;
}