<html>
<head>
<title>Tooltip de una Lista Desplegable</title>
<script language="javascript">
var capa
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
function init() {
if (ns4) {
capa = document.menu
}
if (ie4) {
capa = menu.style
}
}
function muestra(obj) {
if (ns4) obj.visibility = "show"
else if (ie4) obj.visibility = "visible"
}
function oculta(obj) {
if (ns4) obj.visibility = "hide"
else if (ie4) obj.visibility = "hidden"
}
</script>
</head>
<body onLoad="init()">
<div id="menu" style="position:Absolute;left:120; top:150; background-color:#ff1133; visibility:hidden">Descripción de la select</div>
<div id="CapaNormal" style= "position:absolute;left:50; top:150;background-color:pink;"><select OnMouseOver="muestra(capa)" OnMouseOut= "oculta(capa)"><option>Valor1<option>Valor2</select></div>
</body>
</html>
