#home {
	float: left;
	}

#home a {
	width: 57px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_01.gif) no-repeat;
	text-decoration: none;
	}
	
#home a:hover {
	background: url(../images/top_nav_01-over.gif) no-repeat;
	}
	
/* Trial -------------------------------------------------- */

#pretrial {
	float: left;
	}

#pretrial a {
	width: 144px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_02.gif) no-repeat;
	text-decoration: none;
	}
	
#pretrial a:hover {
	background: url(../images/top_nav_02-over.gif) no-repeat;
	}
	
/* Trial -------------------------------------------------- */
	
#trial {
	float: left;
	}

#trial a {
	width: 121px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_03.gif) no-repeat;
	text-decoration: none;
	}
	
#trial a:hover {
	background: url(../images/top_nav_03-over.gif) no-repeat;
	}
	
/* case -------------------------------------------------- */
	
#case {
	float: left;
	}

#case a {
	width: 74px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_04.gif) no-repeat;
	text-decoration: none;
	}
	
#case a:hover {
	background: url(../images/top_nav_04-over.gif) no-repeat;
	}
		

/* authors -------------------------------------------------- */
	
#authors {
	float: left;
	}

#authors a {
	width: 145px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_05.gif) no-repeat;
	text-decoration: none;
	}
	
#authors a:hover {
	background: url(../images/top_nav_05-over.gif) no-repeat;
	}
		
/* discuss -------------------------------------------------- */
	
#discuss {
	float: left;
	}

#discuss a {
	width: 69px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_06.gif) no-repeat;
	text-decoration: none;
	}
	
#discuss a:hover {
	background: url(../images/top_nav_06-over.gif) no-repeat;
	}
	
/* links -------------------------------------------------- */
	
#links {
	float: left;
	}

#links a {
	width: 52px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_07.gif) no-repeat;
	text-decoration: none;
	}
	
#links a:hover {
	background: url(../images/top_nav_07-over.gif) no-repeat;
	}
		
/* buy -------------------------------------------------- */
	
#buy {
	float: left;
	}

#buy a {
	width: 118px;
	height: 35px;
	display: block;
	background: url(../images/top_nav_08.gif) no-repeat;
	text-decoration: none;
	}
	
#buy a:hover {
	background: url(../images/top_nav_08-over.gif) no-repeat;
	}