Prova cosi ma comunque non penso sia molto soddisfacente.
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
var onclickDisabled = false;
function alertDisabled() {
alert('onclick disabled');
return null;
} // function alertDisabled()
//-->
</script>
</head>
<body>
<input type="button" value="clicca" onclick="onclickDisabled == true ? alertDisabled() : alert('pippo')">
<input type="button" value="Abilita" onclick="onclickDisabled = false">
<input type="button" value="Disabilita" onclick="onclickDisabled = true">
</body>
</html>
Permessi di invio
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