a.info{
    position:relative; /*this is the key*/
    z-index:24; background-color:#FF0000;
	margin: 0 0 0 0px;
	padding: 0 0 0 0px;
    text-decoration:none}

a.info:hover{z-index:25; background-color:#FF0000}

a.info span{display: none}

a.info:hover span{ /*the span will display just on :hover state*/
	width:150px;
    display:block;
    position:absolute;
    top:0em; left:2em;
    border:1px solid #0cf;
    background-color:#cff; color:#000;
    text-align: center}

.hidden {display:none}
.nothidden {display:block}

.error {color:red}

body { font-family : arial, verdana }