/* CSS Document */

a span {
   display: none;
} 

a:hover {
   position: relative;
}

a:hover span {
    display: block;
    position: absolute;
    top: 20px; left: 30px;
    /* formatting only styles */
    padding: 5px; margin: 10px; z-index: 100;
    background: #f0f0f0; border: 1px dotted #c0c0c0;
    opacity: 0.9;
    /* end formatting */
}

th a:hover span {
	top: 0; left: -10px;
	border: 1px solid #999;
	padding: 0;
	margin: 0;
}