#primary_nav {clear:both; left:0px; top:101px; position:absolute;}
#primary_nav ul { margin:0; padding:0 }
#primary_nav ul li {list-style:none; float:left; border-right:1px solid #ccc}

#primary_nav ul li a {background-repeat:no-repeat; background-position:0px 0px; display:block; height:22px; color:#fff; text-align:center; padding-top:8px; text-decoration:none; overflow:hidden;}

#primary_nav ul li a:hover {color:#6abaea}

#primary_nav ul li a.home {background-image:url(../layout/bg_menu.png);width:190px; border-left:1px solid #ccc}
#primary_nav ul li a.home:active, #primary_nav ul li a.home:hover, #primary_nav ul li a.home_selected {background-position:-192px 0px; }
#primary_nav ul li a.home_selected {color:#6abaea}

#primary_nav ul li a.about { background-image:url(../layout/bg_menu.png);width:191px;}
#primary_nav ul li a.about:hover, #primary_nav ul li a.about_selected { background-position:-192px 0px; }
#primary_nav ul li a.about_selected {color:#6abaea}

#primary_nav ul li a.research {background-image:url(../layout/bg_menu.png);width:191px;}
#primary_nav ul li a.research:hover, #primary_nav ul li a.research_selected { background-position:-192px 0px; }
#primary_nav ul li a.research_selected {color:#6abaea}

#primary_nav ul li a.fees {background-image:url(../layout/bg_menu.png);width:191px;}
#primary_nav ul li a.fees:hover, #primary_nav ul li a.fees_selected { background-position:-192px 0px; }
#primary_nav ul li a.fees_selected {color:#6abaea}

#primary_nav ul li a.contact {background-image:url(../layout/bg_menu.png);width:191px;}
#primary_nav ul li a.contact:hover, #primary_nav ul li a.contact_selected { background-position:-192px 0px; }
#primary_nav ul li a.contact_selected {color:#6abaea}