function setOptions(chosen) {
    var selbox = document.tendine.citta;
    
    selbox.options.length = 0;
    if ((chosen == "") || ((chosen.length == 2) && (chosen > "50"))) {
      selbox.options[selbox.options.length] = new Option('                                           ','');
    }
    //Azzera le stazioni
    document.tendine.staz.options.length = 0;
    document.tendine.staz.options[selbox.options.length] = new Option('                                           ','');
    if (chosen == "1") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Abbiategrasso','511');
      selbox.options[selbox.options.length] = new Option('Arconate','551');
      selbox.options[selbox.options.length] = new Option('Arese','536');
      selbox.options[selbox.options.length] = new Option('Cassano d`Adda 1','508');
      selbox.options[selbox.options.length] = new Option('Cassano d`Adda 2','683');
      selbox.options[selbox.options.length] = new Option('Castano Primo','527');
      selbox.options[selbox.options.length] = new Option('Cinisello Balsamo','529');
      selbox.options[selbox.options.length] = new Option('Cormano','544');
      selbox.options[selbox.options.length] = new Option('Corsico','525');
      selbox.options[selbox.options.length] = new Option('Cuggiono','532');
      selbox.options[selbox.options.length] = new Option('Galliate','518');
      selbox.options[selbox.options.length] = new Option('Garbagnate','540');
      selbox.options[selbox.options.length] = new Option('Groppello','610');
      selbox.options[selbox.options.length] = new Option('Inzago','510');
      selbox.options[selbox.options.length] = new Option('Lacchiarella','535');
      selbox.options[selbox.options.length] = new Option('Lainate','537');
      selbox.options[selbox.options.length] = new Option('Legnano','505');
      selbox.options[selbox.options.length] = new Option('Limito di Pioltello','531');
      selbox.options[selbox.options.length] = new Option('Magenta','546');
      selbox.options[selbox.options.length] = new Option('Melegnano','602');
      selbox.options[selbox.options.length] = new Option('Milano','501');
      selbox.options[selbox.options.length] = new Option('Motta Visconti','545');
      selbox.options[selbox.options.length] = new Option('Pero','515');
      selbox.options[selbox.options.length] = new Option('Rho','514');
      selbox.options[selbox.options.length] = new Option('Robecchetto','516');
      selbox.options[selbox.options.length] = new Option('San Giuliano Milanese','606');
      selbox.options[selbox.options.length] = new Option('Sesto San Giovanni','504');
      selbox.options[selbox.options.length] = new Option('Settimo Milanese','538');
      selbox.options[selbox.options.length] = new Option('Trezzo sull`Adda','513');
      selbox.options[selbox.options.length] = new Option('Tribiano','519');
      selbox.options[selbox.options.length] = new Option('Truccazzano','684');
      selbox.options[selbox.options.length] = new Option('Turbigo','517');
    }
    if (chosen == "2") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Busto Arsizio','555');
      selbox.options[selbox.options.length] = new Option('Ferno','687');
      selbox.options[selbox.options.length] = new Option('Gallarate','556');
      selbox.options[selbox.options.length] = new Option('Lonate Pozzolo','557');
      selbox.options[selbox.options.length] = new Option('MXP Somma','559');
      selbox.options[selbox.options.length] = new Option('Saronno','553');
      selbox.options[selbox.options.length] = new Option('Varese','552');
    }
    if (chosen == "3") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Casalmaggiore','625');
      selbox.options[selbox.options.length] = new Option('Corte dè Cortesi','626');
      selbox.options[selbox.options.length] = new Option('Crema','629');
      selbox.options[selbox.options.length] = new Option('Cremona','627');
      selbox.options[selbox.options.length] = new Option('Piadena','631');
      selbox.options[selbox.options.length] = new Option('Pizzighettone','632');
      selbox.options[selbox.options.length] = new Option('Rivolta d`Adda','509');
      selbox.options[selbox.options.length] = new Option('Soresina','633');
      selbox.options[selbox.options.length] = new Option('Spino d`Adda','613');
    }
    if (chosen == "4") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Breno','647');
      selbox.options[selbox.options.length] = new Option('Brescia','649');
      selbox.options[selbox.options.length] = new Option('Darfo','655');
      selbox.options[selbox.options.length] = new Option('Gambara','656');
      selbox.options[selbox.options.length] = new Option('Lonato','657');
      selbox.options[selbox.options.length] = new Option('Manerbio','658');
      selbox.options[selbox.options.length] = new Option('Odolo','659');
      selbox.options[selbox.options.length] = new Option('Ospitaletto','660');
      selbox.options[selbox.options.length] = new Option('Rezzato','661');
      selbox.options[selbox.options.length] = new Option('Sarezzo','654');
      selbox.options[selbox.options.length] = new Option('Vobarno','662');
    }
    if (chosen == "5") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Abbadia Cerreto','607');
      selbox.options[selbox.options.length] = new Option('Bertonico','1266');
      selbox.options[selbox.options.length] = new Option('Castiraga','603');
      selbox.options[selbox.options.length] = new Option('Codogno','608');
      selbox.options[selbox.options.length] = new Option('Lodi','600');
      selbox.options[selbox.options.length] = new Option('Montanaso','601');
      selbox.options[selbox.options.length] = new Option('S. Rocco al Porto','598');
      selbox.options[selbox.options.length] = new Option('Tavazzano','604');
      selbox.options[selbox.options.length] = new Option('Turano','1267');
    }
    if (chosen == "6") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Bergamo','583');
      selbox.options[selbox.options.length] = new Option('Calusco','685');
      selbox.options[selbox.options.length] = new Option('Casirate d`Adda','609');
      selbox.options[selbox.options.length] = new Option('Casnigo','587');
      selbox.options[selbox.options.length] = new Option('Ciserano','593');
      selbox.options[selbox.options.length] = new Option('Costa Volpino','586');
      selbox.options[selbox.options.length] = new Option('Dalmine','1269');
      selbox.options[selbox.options.length] = new Option('Filago Centro','595');
      selbox.options[selbox.options.length] = new Option('Filago Marne','612');
      selbox.options[selbox.options.length] = new Option('Lallio','597');
      selbox.options[selbox.options.length] = new Option('Nembro','589');
      selbox.options[selbox.options.length] = new Option('Osio Sotto','596');
      selbox.options[selbox.options.length] = new Option('Ponte S.Pietro','590');
      selbox.options[selbox.options.length] = new Option('Seriate','591');
      selbox.options[selbox.options.length] = new Option('Tavernola','588');
      selbox.options[selbox.options.length] = new Option('Treviglio','592');
      selbox.options[selbox.options.length] = new Option('Villa di Serio','1263');
    }
    if (chosen == "7") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Calolziocorte','577');
      selbox.options[selbox.options.length] = new Option('Colico','573');
      selbox.options[selbox.options.length] = new Option('Lecco','574');
      selbox.options[selbox.options.length] = new Option('Merate','576');
      selbox.options[selbox.options.length] = new Option('Moggio','681');
      selbox.options[selbox.options.length] = new Option('Nibionno','575');
      selbox.options[selbox.options.length] = new Option('Valmadrera','679');
      selbox.options[selbox.options.length] = new Option('Varenna','578');
    }
    if (chosen == "8") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Bormio','571');
      selbox.options[selbox.options.length] = new Option('Chiavenna','567');
      selbox.options[selbox.options.length] = new Option('Morbegno','572');
      selbox.options[selbox.options.length] = new Option('Sondrio','569');
      selbox.options[selbox.options.length] = new Option('Tirano','570');
    }
    if (chosen == "9") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cantu','565');
      selbox.options[selbox.options.length] = new Option('Como','561');
      selbox.options[selbox.options.length] = new Option('Erba','564');
      selbox.options[selbox.options.length] = new Option('Fino Mornasco','563');
      selbox.options[selbox.options.length] = new Option('Mariano Comense','562');
      selbox.options[selbox.options.length] = new Option('Olgiate Comasco','566');
    }
    if (chosen == "10") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Borgofranco','697');
      selbox.options[selbox.options.length] = new Option('Magnacavallo','699');
      selbox.options[selbox.options.length] = new Option('Mantova','663');
      selbox.options[selbox.options.length] = new Option('Marmirolo','667');
      selbox.options[selbox.options.length] = new Option('Monzambano','696');
      selbox.options[selbox.options.length] = new Option('Ostiglia','701');
      selbox.options[selbox.options.length] = new Option('Pieve di Coriano','702');
      selbox.options[selbox.options.length] = new Option('Ponti sul Mincio','695');
      selbox.options[selbox.options.length] = new Option('Porto Mantovano','666');
      selbox.options[selbox.options.length] = new Option('Schivenoglia','703');
      selbox.options[selbox.options.length] = new Option('Sermide','704');
      selbox.options[selbox.options.length] = new Option('Viadana','665');
    }
    if (chosen == "11") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Casoni Borroni','690');
      selbox.options[selbox.options.length] = new Option('Cornale','672');
      selbox.options[selbox.options.length] = new Option('Ferrera Erbognone','682');
      selbox.options[selbox.options.length] = new Option('Galliavola','689');
      selbox.options[selbox.options.length] = new Option('Landriano','605');
      selbox.options[selbox.options.length] = new Option('Mortara','707');
      selbox.options[selbox.options.length] = new Option('Parona','708');
      selbox.options[selbox.options.length] = new Option('Pavia','642');
      selbox.options[selbox.options.length] = new Option('Sannazzaro de Burgondi','693');
      selbox.options[selbox.options.length] = new Option('Scaldasole','688');
      selbox.options[selbox.options.length] = new Option('Vigevano','644');
      selbox.options[selbox.options.length] = new Option('Voghera ','645');
    }
    if (chosen == "15") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Agrate','530');
      selbox.options[selbox.options.length] = new Option('Carate Brianza','512');
      selbox.options[selbox.options.length] = new Option('Limbiate','541');
      selbox.options[selbox.options.length] = new Option('Meda','542');
      selbox.options[selbox.options.length] = new Option('Monza','674');
      selbox.options[selbox.options.length] = new Option('Villasanta','507');
      selbox.options[selbox.options.length] = new Option('Vimercate','543');
    }
  }
  
  //-----------------------------------------------------------------------
  
  function setOptions2(chosen) {
    var selbox = document.tendine.staz;
    
    selbox.options.length = 0;
    if (chosen == "") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
    }
    if (chosen == "607") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Abbadia Cerreto','607');
    }
    if (chosen == "511") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Abbiategrasso','511');
    }
    if (chosen == "530") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Agrate','530');
    }
    if (chosen == "551") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Arconate','551');
    }
    if (chosen == "536") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Arese','536');
    }
    if (chosen == "583") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Via Garibaldi','584');
      selbox.options[selbox.options.length] = new Option('Via Goisis','594');
      selbox.options[selbox.options.length] = new Option('Via Meucci','583');
    }
    if (chosen == "1266") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Bertonico','1266');
    }
    if (chosen == "697") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Borgofranco','697');
    }
    if (chosen == "571") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Bormio','571');
    }
    if (chosen == "647") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Breno','647');
    }
    if (chosen == "649") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Broletto','649');
      selbox.options[selbox.options.length] = new Option('Via Triumplina','651');
      selbox.options[selbox.options.length] = new Option('Via Turati','652');
      selbox.options[selbox.options.length] = new Option('Via Ziziola','653');
      selbox.options[selbox.options.length] = new Option('Villaggio Sereno','669');
    }
    if (chosen == "555") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Accam','558');
      selbox.options[selbox.options.length] = new Option('Magenta','555');
    }
    if (chosen == "577") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Calolziocorte','577');
    }
    if (chosen == "685") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Calusco','685');
    }
    if (chosen == "565") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cantu','565');
    }
    if (chosen == "512") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Carate Brianza','512');
    }
    if (chosen == "625") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Casalmaggiore','625');
    }
    if (chosen == "609") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Casirate d`Adda','609');
    }
    if (chosen == "587") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Casnigo','587');
    }
    if (chosen == "690") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Casoni Borroni','690');
    }
    if (chosen == "508") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cassano d`Adda 1','508');
    }
    if (chosen == "683") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cassano d`Adda 2','683');
    }
    if (chosen == "527") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Castano Primo','527');
    }
    if (chosen == "603") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Castiraga','603');
    }
    if (chosen == "567") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Chiavenna','567');
    }
    if (chosen == "529") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cinisello Balsamo','529');
    }
    if (chosen == "593") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Ciserano','593');
    }
    if (chosen == "608") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Codogno','608');
    }
    if (chosen == "573") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Colico','573');
    }
    if (chosen == "561") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Centro','561');
    }
    if (chosen == "544") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cormano','544');
    }
    if (chosen == "672") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cornale','672');
    }
    if (chosen == "525") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Corsico','525');
    }
    if (chosen == "626") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Corte dè Cortesi','626');
    }
    if (chosen == "586") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Costa Volpino','586');
    }
    if (chosen == "629") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('XI febbraio','629');
    }
    if (chosen == "627") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cadorna','627');
      selbox.options[selbox.options.length] = new Option('Fatebenefratelli','677');
    }
    if (chosen == "532") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Cuggiono','532');
    }
    if (chosen == "1269") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('via Verdi','1269');
    }
    if (chosen == "655") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Darfo','655');
    }
    if (chosen == "564") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Erba','564');
    }
    if (chosen == "687") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Ferno','687');
    }
    if (chosen == "682") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Est','682');
      selbox.options[selbox.options.length] = new Option('Indipendenza','691');
    }
    if (chosen == "595") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Filago Centro','595');
    }
    if (chosen == "612") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Filago Marne','612');
    }
    if (chosen == "563") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Fino Mornasco','563');
    }
    if (chosen == "556") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('San Lorenzo','556');
    }
    if (chosen == "518") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('(Novara)','518');
    }
    if (chosen == "689") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Galliavola','689');
    }
    if (chosen == "656") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Gambara','656');
    }
    if (chosen == "540") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Garbagnate','540');
    }
    if (chosen == "610") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Groppello','610');
    }
    if (chosen == "510") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Inzago','510');
    }
    if (chosen == "535") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Lacchiarella','535');
    }
    if (chosen == "537") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Lainate','537');
    }
    if (chosen == "597") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Lallio','597');
    }
    if (chosen == "605") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Landriano','605');
    }
    if (chosen == "574") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Via Amendola','574');
      selbox.options[selbox.options.length] = new Option('Via Sora','706');
    }
    if (chosen == "505") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Legnano','505');
    }
    if (chosen == "541") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Limbiate','541');
    }
    if (chosen == "531") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Limito di Pioltello','531');
    }
    if (chosen == "600") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('S. Alberto','1265');
      selbox.options[selbox.options.length] = new Option('via Vignati','600');
    }
    if (chosen == "557") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Lonate Pozzolo','557');
    }
    if (chosen == "657") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Lonato','657');
    }
    if (chosen == "546") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Magenta','546');
    }
    if (chosen == "699") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Magnacavallo','699');
    }
    if (chosen == "658") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Manerbio','658');
    }
    if (chosen == "663") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Ariosto','663');
      selbox.options[selbox.options.length] = new Option('Gramsci','664');
      selbox.options[selbox.options.length] = new Option('Lunetta 2','668');
      selbox.options[selbox.options.length] = new Option('S.Agnese','670');
      selbox.options[selbox.options.length] = new Option('Tridolino','671');
    }
    if (chosen == "562") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Mariano Comense','562');
    }
    if (chosen == "667") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Fontana','667');
    }
    if (chosen == "542") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Meda','542');
    }
    if (chosen == "602") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Melegnano','602');
    }
    if (chosen == "576") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Merate','576');
    }
    if (chosen == "501") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Abbiategrasso','549');
      selbox.options[selbox.options.length] = new Option('Liguria','539');
      selbox.options[selbox.options.length] = new Option('Marche','501');
      selbox.options[selbox.options.length] = new Option('Parco Lambro','547');
      selbox.options[selbox.options.length] = new Option('Pascal Città Studi','705');
      selbox.options[selbox.options.length] = new Option('Senato','548');
      selbox.options[selbox.options.length] = new Option('Verziere','528');
      selbox.options[selbox.options.length] = new Option('Zavattari','503');
    }
    if (chosen == "681") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Moggio','681');
    }
    if (chosen == "601") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Montanaso','601');
    }
    if (chosen == "674") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Machiavelli','674');
    }
    if (chosen == "696") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Monzambano','696');
    }
    if (chosen == "572") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Morbegno','572');
    }
    if (chosen == "707") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Mortara','707');
    }
    if (chosen == "545") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Motta Visconti','545');
    }
    if (chosen == "559") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('MXP Somma','559');
    }
    if (chosen == "589") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Nembro','589');
    }
    if (chosen == "575") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Nibionno','575');
    }
    if (chosen == "659") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Odolo','659');
    }
    if (chosen == "566") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Olgiate Comasco','566');
    }
    if (chosen == "596") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Osio Sotto','596');
    }
    if (chosen == "660") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Ospitaletto','660');
    }
    if (chosen == "701") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Ostiglia','701');
    }
    if (chosen == "708") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Parona','708');
    }
    if (chosen == "642") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Folperti','642');
      selbox.options[selbox.options.length] = new Option('Minerva','643');
    }
    if (chosen == "515") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Pero','515');
    }
    if (chosen == "631") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Piadena','631');
    }
    if (chosen == "702") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Pieve di Coriano','702');
    }
    if (chosen == "632") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Pizzighettone','632');
    }
    if (chosen == "590") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Ponte S.Pietro','590');
    }
    if (chosen == "695") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Ponti sul Mincio','695');
    }
    if (chosen == "666") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Porto Mantovano','666');
    }
    if (chosen == "661") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Rezzato','661');
    }
    if (chosen == "514") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Rho','514');
    }
    if (chosen == "509") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Rivolta d`Adda','509');
    }
    if (chosen == "516") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Robecchetto','516');
    }
    if (chosen == "598") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('S. Rocco al Porto','598');
    }
    if (chosen == "606") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('San Giuliano Milanese','606');
    }
    if (chosen == "693") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Sannazzaro de Burgondi','693');
    }
    if (chosen == "654") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Sarezzo','654');
    }
    if (chosen == "553") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Marconi','553');
      selbox.options[selbox.options.length] = new Option('Santuario','554');
    }
    if (chosen == "688") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Scaldasole','688');
    }
    if (chosen == "703") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Schivenoglia','703');
    }
    if (chosen == "591") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Seriate','591');
    }
    if (chosen == "704") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Sermide','704');
    }
    if (chosen == "504") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Sesto San Giovanni','504');
    }
    if (chosen == "538") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Settimo Milanese','538');
    }
    if (chosen == "569") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('via Mazzini','569');
      selbox.options[selbox.options.length] = new Option('via Paribelli','1264');
    }
    if (chosen == "633") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Soresina','633');
    }
    if (chosen == "613") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Spino d`Adda','613');
    }
    if (chosen == "604") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Tavazzano','604');
    }
    if (chosen == "588") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Tavernola','588');
    }
    if (chosen == "570") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Tirano','570');
    }
    if (chosen == "592") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Treviglio','592');
    }
    if (chosen == "513") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Trezzo sull`Adda','513');
    }
    if (chosen == "519") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Tribiano','519');
    }
    if (chosen == "684") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Truccazzano','684');
    }
    if (chosen == "1267") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Turano','1267');
    }
    if (chosen == "517") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Turbigo','517');
    }
    if (chosen == "679") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Valmadrera','679');
    }
    if (chosen == "578") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Varenna','578');
    }
    if (chosen == "552") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Copelli','560');
      selbox.options[selbox.options.length] = new Option('Vidoletti','552');
    }
    if (chosen == "665") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Viadana','665');
    }
    if (chosen == "644") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Petrarca','644');
      selbox.options[selbox.options.length] = new Option('Valletta','709');
    }
    if (chosen == "1263") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Villa di Serio','1263');
    }
    if (chosen == "507") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Villasanta','507');
    }
    if (chosen == "543") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Vimercate','543');
    }
    if (chosen == "662") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Vobarno','662');
    }
    if (chosen == "645") {
      selbox.options[selbox.options.length] = new Option('                                           ','');
      selbox.options[selbox.options.length] = new Option('Pozzoni','673');
      selbox.options[selbox.options.length] = new Option('Repubblica','645');
    }
    if (selbox.options.length > 1) {
      selbox.selectedIndex=1;
    }
  }