#header {
	height:232px;
	margin:auto;
	position:relative;
	display:block;}
#header a{
	background:url(../images/headbg.jpg) no-repeat center center;
	position:relative;
	display:block;
	height:232px;
}
#header span.hover{
	height:232px;
 	background:url(../images/headbgbw.jpg) no-repeat center center;
	position:relative;
	display:block;
}