Sì, è possibile e si può fare in svariati modi.
Qui uno tra tanti:
codice:
<!DOCTYPE HTML>
<html>
<head>
<title>Esempio</title>
<meta charset="utf-8">
</head>
<body>
<input type="text" id="id1_required" value="" name="id1">
<input type="text" id="id2_required" value="" name="id2">
<input type="text" id="id3_required" value="" name="id3">
<fieldset id="tuofieldset" disabled='disabled'> <input><input><input>... </fieldset>
<script type="text/javascript">
var required = document.querySelectorAll("#id1_required, #id2_required, #id3_required");
required[0].onchange = required[1].onchange = required[2].onchange = attivaFieldset;
function attivaFieldset(){
document.getElementById("tuofieldset").disabled = (required[0].value == "" || required[1].value == "" || required[2].value == "" );
}
attivaFieldset();
</script>
</body>
</html>
Rispondi quotando
