#header_menu
{	width: 800px;
    padding: 0px;
	margin: 0px 0px 0px 23px;
    height: 51px;
    line-height: 51px;
	font-size: 12px;
    text-align: center;
    font-weight: bolder;
}
#header_menu ul {
	list-style: none;
	margin: 0;
	padding: 0;
}
#header_menu li {
	float: left;
	width: 160px;
	margin: 0px 0px 0px 0px;
	padding: 0;
	text-align: center;
}

#header_menu li a.left {
    outline: none;
	display: block;
	padding: 0px;
	height: 100%;
	color: #4D4D4D;
    font-weight: bold;
	text-decoration: none;
    background: url(../images/bg.header.menu.left.png);
    background-position: 0px 0px;
}
#header_menu li a.right {
    outline: none;
	display: block;
	padding: 0px;
	height: 100%;
	color: #4D4D4D;
    font-weight: bold;
	text-decoration: none;
    background: url(../images/bg.header.menu.right.png);
    background-position: 0px 0px;
}
#header_menu li a {
    outline: none;
	display: block;
	padding: 0px;
	height: 100%;
	color: #4D4D4D;
    font-weight: bold;
	text-decoration: none;
    background: url(../images/bg.header.menu.other.png);
    background-position: 0px 0px;
}
#header_menu li a:hover {
	background-position: 0px -51px;
    color: #fff;
    font-weight: bold;
    text-decoration: none;
}
#header_menu li a:hover: visited
 {
    color: #fff;
    text-decoration: none;
}
#header_menu li a: visited
 {
    color: #4D4D4D;
}