#nav {
	clear:left;
	background: black url(../img/nav.gif) 0px 0px;
	float: left;
	display: inline;
	width: 748px;
	height:22px;	
	margin-bottom:45px;
	}
	
#nav li {
	float:left;
	display: inline;
	height:22px;	
	}

#nav li a, #nav span {
	line-height:22px;
	padding-top:22px;
	list-style:none;
	background-color:none;
	height: 0px !important;
	height /**/:22px;	
	display: block;
	overflow: hidden;
	}

#nav #discuss, #nav #discuss a {
	background: transparent url(../img/nav.gif) 3px 0px;
	width:144px;
	}
#nav #samples, #nav #samples a {
	background: transparent url(../img/nav.gif) -148px 0px;
	width:180px;
	}
#nav #bibliography, #nav #bibliography a {
	background: transparent url(../img/nav.gif) -324px 0px;
	width:210px;
	}
#nav #reviews, #nav #reviews a {
	background: transparent url(../img/nav.gif) -534px 0px;
	width:79px;	
	}
#nav #author, #nav #author a {
	background: transparent url(../img/nav.gif) -614px 0px;
	width:135px;
	}


#nav #discuss a:hover, 
#nav #discuss a:focus {	
	background: transparent url(../img/nav.gif) 3px -22px !important;
	}

#nav #samples a:hover, 
#nav #samples a:focus {
	background: transparent url(../img/nav.gif) -148px -22px !important;
	}

#nav #bibliography a:hover, 
#nav #bibliography a:focus {
	background: transparent url(../img/nav.gif) -324px -22px !important;
	}

#nav #reviews a:hover, 
#nav #reviews a:focus{
	background: transparent url(../img/nav.gif) -534px -22px !important;
	}
	
#nav #author a:hover, 
#nav #author a:focus  {
	background: transparent url(../img/nav.gif) -614px -22px !important;
	}


#nav #discuss span {
	background: transparent url(../img/nav.gif) 3px -44px !important;
	}

#nav #samples span {
	background: transparent url(../img/nav.gif) -148px -44px !important;
	}	

#nav #bibliography span {
	background: transparent url(../img/nav.gif) -324px -44px !important;
	}
	
#nav #reviews span {
	background: transparent url(../img/nav.gif) -534px -44px !important;
	}
		
#nav #author span {
	background: transparent url(../img/nav.gif) -614px -44px !important;
	}