prova così:
Codice PHP:
<?php
$regione = $_GET['regione'];
?>
<?php
switch($regione){
case "abruzzo":
print ("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\"><option value=\"aq\">L'aquila</option><option value=\"ch\">Chieti</option><option value=\"pe\">Pescara</option><option value=\"te\">Teramo</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "basilicata":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"mt\">Matera</option><option value=\"pz\">Potenza</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "calabria":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"cz\">Catanzaro</option><option value=\"cs\">Cosenza</option><option value=\"kr\">Crotone</option><option value=\"rc\">Reggio Calabria</option><option value=\"vv\">Vibo Valentia</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "campania":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"av\">Avellino</option><option value=\"bn\">Benevento</option><option value=\"ce\">Caserta</option><option value=\"na\">Napoli</option><option value=\"sa\">Salerno</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "emilia":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"bo\">Bologna</option><option value=\"fe\">Ferrara</option><option value=\"fc\">Forlì-Cesena</option><option value=\"mo\">Modena</option><option value=\"pr\">Parma</option><option value=\"pc\">Piacenza</option><option value=\"ra\">Ravenna</option><option value=\"re\">Reggio Emilia</option><option value=\"rn\">Rimini</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "friuli":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"go\">Gorizia</option><option value=\"pn\">Pordenone</option><option value=\"ts\">Trieste</option><option value=\"ud\">Udine</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "lazio":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"fr\">Frosinone</option><option value=\"lt\">Latina</option><option value=\"ri\">Rieti</option><option value=\"rm\">Roma</option><option value=\"vt\">Viterbo</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "liguria":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"ge\">Genova</option><option value=\"im\">Imperia</option><option value=\"sp\">La Spezia</option><option value=\"sv\">Savona</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "lombardia":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"bg\">Bergamo</option><option value=\"bs\">Brescia</option><option value=\"co\">Como</option><option value=\"cr\">Cremona</option><option value=\"lc\">Lecco</option><option value=\"lo\">Lodi</option><option value=\"mn\">Mantova</option><option value=\"mi\">Milano</option><option value=\"pv\">Pavia</option><option value=\"so\">Sondrio</option><option value=\"va\">Varese</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "marche":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"an\">Ancona</option><option value=\"ap\">Ascoli Piceno</option><option value=\"mc\">Macerata</option><option value=\"pu\">Pesaro e Urbino</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "molise":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"cb\">Campobasso</option><option value=\"is\">Isernia</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "piemonte":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"al\">Alessandria</option><option value=\"at\">Asti</option><option value=\"bi\">Biella</option><option value=\"cn\">Cuneo</option><option value=\"no\">Novara</option><option value=\"to\">Torino</option><option value=\"vb\">Verbania-Cusio-Ossola</option><option value=\"vc\">Vercelli</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "puglia":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"ba\">Bari</option><option value=\"br\">Brindisi</option><option value=\"fg\">Foggia</option><option value=\"le\">Lecce</option><option value=\"ta\">Taranto</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "sardegna":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"ca\">Cagliari</option><option value=\"nu\">Nuoro</option><option value=\"or\">Oristano</option><option value=\"ss\">Sassari</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "sicilia":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"ag\">Agrigento</option><option value=\"cl\">Caltanissetta</option><option value=\"ct\">Catania</option><option value=\"en\">Enna</option><option value=\"me\">Messina</option><option value=\"pa\">Palermo</option><option value=\"rg\">Ragusa</option><option value=\"sr\">Siracusa</option><option value=\"tp\">Trapani</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "toscana":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"ar\">Arezzo</option><option value=\"fi\">Firenze</option><option value=\"gr\">Grosseto</option><option value=\"li\">Livorno</option><option value=\"lu\">Lucca</option><option value=\"ms\">Massa Carrara</option><option value=\"pi\">Pisa</option><option value=\"pt\">Pistoia</option><option value=\"pt\">Prato</option><option value=\"si\">Siena</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "trentino":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"bz\">Bolzano</option><option value=\"tn\">Trento</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "umbria":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"pg\">Perugia</option><option value=\"tr\">Terni</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "aosta":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"ao\">Aosta</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
case "veneto":
print("<form method=\"get\" action=\"riclocali.php\"><select name=\"provincia\">
<option value=\"bl\">Belluno</option><option value=\"pd\">Padova</option><option value=\"ro\">Rovigo</option><option value=\"tv\">Treviso</option><option value=\"ve\">Venezia</option><option value=\"vr\">Verona</option><option value=\"vi\">Vicenza</option></SELECT>
<SELECT name=\"tipologia\"><option value=\"bar\">Bar</option><option value=\"discoteca\">Discoteca</option><option value=\"Discobar\">Discobar</option><option value=\"Pub\">Pub</option><option value=\"Altro\">Altro</option></select>
<input type=\"submit\" value=\"Invia\">");
break;
default:
print ("Devi prima scegliere una regione!");
}
?>