seleziona dinamica provincia

[lilo]

l'ho trovato su internet : è possibile utilizzarlo e o personalizzarlo ?


<script language="javascript">
<!--



// S.
function AggiornaProvincia() // thanks 2 A.B.
{
var reg_val=document.form.regione.options[document.form.regione.options.selectedIndex].value;
if (reg_val != "99")
{
var prov_val=document.form.provincia.options[document.form.provincia.options.selectedIndex].value;
var p=prov_val.indexOf("-");
var key=prov_val.substring(p+1);
if (key != reg_val) {
document.form.provincia.selectedIndex=0;
}
for (f=0; f<document.form.nazione.length; f++)
{
if ("I"==document.form.nazione.options[f].value)
{
document.form.nazione.selectedIndex=f;
break;
}
}
}
}
// fine S.

function AggiornaRegione() // thanks 2 A.B.
{
var nn=document.form.provincia.options[document.form.provincia.options.selectedIndex].value;
var p=nn.indexOf("-");
var key=nn.substring(p+1);
for (f=0; f<document.form.regione.length; f++)
{
if (key==document.form.regione.options[f].value)
{
document.form.regione.selectedIndex=f;
break;
}
}
// S.
if (document.form.regione.options[document.form.regione.options.selectedIndex].value != "---")
{
for (f=0; f<document.form.nazione.length; f++)
{
if ("I"==document.form.nazione.options[f].value)
{
document.form.nazione.selectedIndex=f;
break;
}
}
}
// fine S.

}




//-->
</script>

<select name="provincia" onchange="javascript:AggiornaRegione()">
<option value="AA">Tutte le provincie</option>
<option value="AG">Agrigento</option>
<option value="AL">Alessandria </option>
<option value="AN">Ancona </option>
<option value="AO">Aosta </option>
<option value="AR">Arezzo </option>
<option value="AP">Ascoli Piceno </option>
<option value="AT">Asti </option>
<option value="AV">Avellino </option>
<option value="BA">Bari </option>
<option value="BL">Belluno </option>
<option value="BN">Benevento </option>
<option value="BG">Bergamo </option>
<option value="BI">Biella </option>
<option value="BO">Bologna </option>
<option value="BZ">Bolzano </option>
<option value="BS">Brescia </option>
<option value="BR">Brindisi </option>
<option value="CA">Cagliari </option>
<option value="CL">Caltanissetta </option>
<option value="CB">Campobasso </option>
<option value="CE">Caserta </option>
<option value="CT">Catania </option>
<option value="CZ">Catanzaro </option>
<option value="CH">Chieti </option>
<option value="CO">Como </option>
<option value="CS">Cosenza </option>
<option value="CR">Cremona </option>
<option value="KR">Crotone </option>
<option value="CN">Cuneo </option>
<option value="EN">Enna </option>
<option value="FE">Ferrara </option>
<option value="FI">Firenze </option>
<option value="FG">Foggia </option>
<option value="FO">Forlì </option>
<option value="FR">Frosinone </option>
<option value="GE">Genova </option>
<option value="GO">Gorizia </option>
<option value="GR">Grosseto </option>
<option value="IM">Imperia </option>
<option value="IS">Isernia </option>
<option value="AQ">L'Aquila </option>
<option value="SP">La Spezia </option>
<option value="LT">Latina </option>
<option value="LE">Lecce </option>
<option value="LC">Lecco </option>
<option value="LI">Livorno </option>
<option value="LO">Lodi </option>
<option value="LU">Lucca </option>
<option value="MC">Macerata </option>
<option value="MN">Mantova </option>
<option value="MS">Massa-Carrara </option>
<option value="MT">Matera </option>
<option value="ME">Messina </option>
<option value="MI">Milano </option>
<option value="MO">Modena </option>
<option value="NA">Napoli </option>
<option value="NO">Novara </option>
<option value="NU">Nuoro </option>
<option value="OR">Oristano </option>
<option value="PD">Padova </option>
<option value="PA">Palermo </option>
<option value="PR">Parma </option>
<option value="PV">Pavia </option>
<option value="PG">Perugia </option>
<option value="PS">Pesaro e Urbino </option>
<option value="PE">Pescara </option>
<option value="PC">Piacenza </option>
<option value="PI">Pisa </option>
<option value="PT">Pistoia </option>
<option value="PN">Pordenone </option>
<option value="PZ">Potenza </option>
<option value="PO">Prato </option>
<option value="RG">Ragusa </option>
<option value="RA">Ravenna </option>
<option value="RC">Reggio Calabria </option>
<option value="RE">Reggio Emilia </option>
<option value="RI">Rieti </option>
<option value="RN">Rimini </option>
<option value="RM">Roma </option>
<option value="RO">Rovigo </option>
<option value="SA">Salerno </option>
<option value="SS">Sassari </option>
<option value="SV">Savona </option>
<option value="SI">Siena </option>
<option value="SR">Siracusa </option>
<option value="SO">Sondrio </option>
<option value="TA">Taranto </option>
<option value="TE">Teramo </option>
<option value="TR">Terni </option>
<option value="TO">Torino </option>
<option value="TP">Trapani </option>
<option value="TN">Trento </option>
<option value="TV">Treviso </option>
<option value="TS">Trieste </option>
<option value="UD">Udine </option>
<option value="VA">Varese </option>
<option value="VE">Venezia </option>
<option value="VB">Verbania </option>
<option value="VC">Vercelli </option>
<option value="VR">Verona </option>
<option value="VV">Vibo Valentia </option>
<option value="VI">Vicenza </option>
<option value="VT">Viterbo </option>
</select>





<select name="regione" onchange="javascript:AggiornaProvincia()">
<option value="0">Tutta Italia</option>
<option value="1">Abruzzo</option>
<option value="2">Basilicata</option>
<option value="3">Calabria</option>
<option value="4">Campania</option>
<option value="5">Emilia Romagna</option>
<option value="6">Friuli Venezia Giulia</option>
<option value="7">Lazio</option>
<option value="8">Liguria</option>
<option value="9">Lombardia</option>
<option value="10">Marche</option>
<option value="11">Molise</option>
<option value="12">Piemonte</option>
<option value="13">Puglia</option>
<option value="14">Sardegna</option>
<option value="15">Sicilia</option>
<option value="16">Toscana</option>
<option value="17">Trentino Alto Adige</option>
<option value="18">Umbria</option>
<option value="19">Valle Aosta</option>
<option value="20">Veneto</option>
</select>