a:hover {background:#ffffff; text-decoration:none;} /*BG color is a must for IE6*/

a.tooltip span {display:none; padding:2px 3px; margin-left:8px; width:150px; z-index:999}

a.tooltip:hover span{display:inline; position:absolute; background:#314C6A; border:2px solid #36A1C8; color:#FFFFFF;}