Script PHP per previsioni meteo

<?php
//format the query
$finalquery = stripslashes($citta_input);
if (eregi ("http:\/\/|file:\/\/|ftp:\/\/", $finalquery)  )
    {
    $finalquery=$finalquery;
    }
    else {
    $finalquery="<a href="http://www.ilmeteo.it/meteo.php?citta_input="" rel="nofollow">http://www.ilmeteo.it/meteo.php?citta_input="</a> . $finalquery;
    }
echo ("            
<table width="100%" border="0" cellspacing="0" cellpadding="5" align=center class="tabletable">
  <tr>
    <td align="center" valign="middle" class="tableHeaderTD">
      <div align="center"><b>METEO ITALIA</b></div>
    </td>
  </tr>
  <tr>
    <td align="center" valign="middle">
<form action="" method="post">
               <select size="1" name="citta_input">
        <option selected>Seleziona una città</option>
                 <option>Agrigento</option>
    <option>Alessandria</option>
    <option>Ancona</option>
    <option>Aosta</option>
    <option>Arezzo</option>
    <option>Ascoli Piceno</option>
    <option>Asti</option>
    <option>Avellino</option>
    <option>Bari</option>
    <option>Belluno</option>
    <option>Benevento</option>
    <option>Bergamo</option>
    <option>Biella</option>
    <option>Bologna</option>
    <option>Bolzano</option>
    <option>Brescia</option>
              <option>Brindisi</option>
              <option>Cagliari</option>
              <option>Caltanissetta</option>
              <option>Campobasso</option>
              <option>Caserta</option>
              <option>Catania</option>
              <option>Catanzaro</option>
              <option>Chieti</option>
              <option>Como</option>
              <option>Cosenza</option>
              <option>Cremona</option>
              <option>Crotone</option>
              <option>Cuneo</option>
              <option>Enna</option>
              <option>Ferrara</option>
              <option>Firenze</option>
              <option>Foggia</option>
              <option>Forlì</option>
              <option>Frosinone</option>
              <option>Genova</option>
              <option>Gorizia</option>
              <option>Grosseto</option>
              <option>Imperia</option>
              <option>Isernia</option>
              <option>La Spezia</option>
              <option>L'Aquila</option>
              <option>Latina</option>
              <option>Lecce</option>
              <option>Lecco</option>
              <option>Livorno</option>
              <option>Lodi</option>
              <option>Lucca</option>
              <option>Macerata</option>
              <option>Mantova</option>
              <option>Massa</option>
              <option>Matera</option>
              <option>Messina</option>
              <option>Milano</option>
              <option>Modena</option>
              <option>Napoli</option>
              <option>Novara</option>
              <option>Nuoro</option>
              <option>Oristano</option>
              <option>Padova</option>
              <option>Palermo</option>
              <option>Parma</option>
              <option>Pavia</option>
              <option>Perugia</option>
              <option>Pesaro</option>
              <option>Pescara</option>
              <option>Piacenza</option>
              <option>Pisa</option>
              <option>Pistoia</option>
              <option>Pordenone</option>
              <option>Potenza</option>
              <option>Prato</option>
              <option>Ragusa</option>
              <option>Ravenna</option>
              <option>Reggio Calabria</option>
              <option>Reggio Emilia</option>
              <option>Rieti</option>
              <option>Rimini</option>
              <option>Roccaraso</option>
              <option>Roma</option>
              <option>Rovigo</option>
              <option>Salerno</option>
              <option>S.Marino500m</option>
              <option>Sassari</option>
              <option>Savona</option>
              <option>Siena</option>
              <option>Siracusa</option>
              <option>Sondrio</option>
              <option>Taranto</option>
              <option>Teramo</option>
              <option>Terni</option>
              <option>Torino</option>
              <option>Trapani</option>
              <option>Trento</option>
              <option>Treviso</option>
              <option>Trieste</option>
              <option>Udine</option>
               <option>Urbino</option>
              <option>Varese</option>
              <option>Venezia</option>
              <option>Verbania</option>
              <option>Vercelli</option>
              <option>Verona</option>
              <option>Vibo Valentia</option>
              <option>Vicenza</option>
              <option>Viterbo</option>
            </select>
  <input value="VAI" type="submit">
      </form>
    </td>
  </tr>
</table>
<iframe width="100%" height="300" frameborder="no" scrolling="no" src="$finalquery"> </iframe>
      <p>&nbsp;</p>
      <table width="100%"  border="0" align="center">
        <tr align="center" valign="middle">
          <td><img src="<a href="http://www.ilmeteo.it/italy1.gif"" rel="nofollow">http://www.ilmeteo.it/italy1.gif"</a> width="210" height="240"></td>
          <td><img src="<a href="http://www.ilmeteo.it/italy2.gif"" rel="nofollow">http://www.ilmeteo.it/italy2.gif"</a> width="210" height="240"></td>
          <td><img src="<a href="http://www.ilmeteo.it/italy3.gif"" rel="nofollow">http://www.ilmeteo.it/italy3.gif"</a> width="210" height="240"></td>
        </tr>
        <tr align="center" valign="middle">
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
        </tr>
        <tr align="center" valign="middle">
          <td colspan="3">Powered by<strong><big> &middot; </big></strong> &copy; <a href="<a href="http://www.ilmeteo.it"" rel="nofollow">http://www.ilmeteo.it"</a> target="_blank">IlMeteo.it</a> <strong><big> &middot; </big></strong> Script by &copy; <a href="<a href="http://www.camunicando.it"" rel="nofollow">http://www.camunicando.it"</a> target="_blank">CamuniCando.it</a> </td>
        </tr>
      </table>
");
//shut her down
$finalquery=foo;
?>