codice:
<form name="modulopreleva" method="post" action="banca.asp?postback=1">
<table class="tabella" align="center" border=2>
<tr><td><input type=radio name="preleva" value="50" onclick="javascript:checkBoxValidate(0);document.modulopreleva.importoprelevato.disabled=true">50 euro</td>
<tr><td><input type=radio name="preleva" value="100" onclick="javascript:checkBoxValidate(1);document.modulopreleva.importoprelevato.disabled=true">100 euro</td>
<tr><td><input type=radio name="preleva" value="150" onclick="javascript:checkBoxValidate(2);document.modulopreleva.importoprelevato.disabled=true">150 euro</td>
<tr><td><input type=radio name="preleva" value="200" onclick="javascript:checkBoxValidate(3);document.modulopreleva.importoprelevato.disabled=true">200 euro</td>
<tr><td><input type=radio name="preleva" value="250" onclick="javascript:checkBoxValidate(4);document.modulopreleva.importoprelevato.disabled=true">250 euro</td>
<tr><td><input type=radio name="preleva" value=??????? onclick="document.modulopreleva.importoprelevato.disabled=false"> ALTRO <input type="text" name="importoprelevato" disabled="disabled" > </td>
<tr><td><input type="submit" value="PRELEVA"> </td>
</table>
</form>
Cosi dovrebbe andare bene ho cambiato alcuni nomi avevi messo il mono nome "preleva"