function CambiaCitta(selpro)
					{
						for (var i=document.ricerca.aree.options.length-1; i>=1; i=i-1)
						{
							document.ricerca.aree.options[i]=null;
						}
						var regSel = document.ricerca.citta.options[document.ricerca.citta.selectedIndex].value;
					if ( regSel == "roma" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Colosseo";
document.ricerca.aree.options[1].value="colosseo";
if ( selpro=="colosseo"	) { document.ricerca.aree.selectedIndex=1; } 
var option2 = document.createElement('option'); 
document.ricerca.aree.options[2]=option2;
document.ricerca.aree.options[2].text="Trastevere";
document.ricerca.aree.options[2].value="trastevere";
if ( selpro=="trastevere"	) { document.ricerca.aree.selectedIndex=2; } 
var option3 = document.createElement('option'); 
document.ricerca.aree.options[3]=option3;
document.ricerca.aree.options[3].text="Navona - Pantheon";
document.ricerca.aree.options[3].value="navona - pantheon";
if ( selpro=="navona - pantheon"	) { document.ricerca.aree.selectedIndex=3; } 
var option4 = document.createElement('option'); 
document.ricerca.aree.options[4]=option4;
document.ricerca.aree.options[4].text="San Pietro - Vaticano";
document.ricerca.aree.options[4].value="san pietro - vaticano";
if ( selpro=="san pietro - vaticano"	) { document.ricerca.aree.selectedIndex=4; } 
var option5 = document.createElement('option'); 
document.ricerca.aree.options[5]=option5;
document.ricerca.aree.options[5].text="Spagna - Popolo";
document.ricerca.aree.options[5].value="spagna - popolo";
if ( selpro=="spagna - popolo"	) { document.ricerca.aree.selectedIndex=5; } 
var option6 = document.createElement('option'); 
document.ricerca.aree.options[6]=option6;
document.ricerca.aree.options[6].text="Prati";
document.ricerca.aree.options[6].value="prati";
if ( selpro=="prati"	) { document.ricerca.aree.selectedIndex=6; } 
var option7 = document.createElement('option'); 
document.ricerca.aree.options[7]=option7;
document.ricerca.aree.options[7].text="San Giovanni";
document.ricerca.aree.options[7].value="san giovanni";
if ( selpro=="san giovanni"	) { document.ricerca.aree.selectedIndex=7; } 
var option8 = document.createElement('option'); 
document.ricerca.aree.options[8]=option8;
document.ricerca.aree.options[8].text="Quirinale - Foro Romano";
document.ricerca.aree.options[8].value="quirinale - foro romano";
if ( selpro=="quirinale - foro romano"	) { document.ricerca.aree.selectedIndex=8; } 
var option9 = document.createElement('option'); 
document.ricerca.aree.options[9]=option9;
document.ricerca.aree.options[9].text="Ostiense";
document.ricerca.aree.options[9].value="ostiense";
if ( selpro=="ostiense"	) { document.ricerca.aree.selectedIndex=9; } 
var option10 = document.createElement('option'); 
document.ricerca.aree.options[10]=option10;
document.ricerca.aree.options[10].text="Monteverde";
document.ricerca.aree.options[10].value="monteverde";
if ( selpro=="monteverde"	) { document.ricerca.aree.selectedIndex=10; } 
var option11 = document.createElement('option'); 
document.ricerca.aree.options[11]=option11;
document.ricerca.aree.options[11].text="San Lorenzo";
document.ricerca.aree.options[11].value="san lorenzo";
if ( selpro=="san lorenzo"	) { document.ricerca.aree.selectedIndex=11; } 
var option12 = document.createElement('option'); 
document.ricerca.aree.options[12]=option12;
document.ricerca.aree.options[12].text="Aurelio - Boccea";
document.ricerca.aree.options[12].value="aurelio - boccea";
if ( selpro=="aurelio - boccea"	) { document.ricerca.aree.selectedIndex=12; } 
var option13 = document.createElement('option'); 
document.ricerca.aree.options[13]=option13;
document.ricerca.aree.options[13].text="Balduina";
document.ricerca.aree.options[13].value="balduina";
if ( selpro=="balduina"	) { document.ricerca.aree.selectedIndex=13; } 
var option14 = document.createElement('option'); 
document.ricerca.aree.options[14]=option14;
document.ricerca.aree.options[14].text="Testaccio";
document.ricerca.aree.options[14].value="testaccio";
if ( selpro=="testaccio"	) { document.ricerca.aree.selectedIndex=14; } 
var option15 = document.createElement('option'); 
document.ricerca.aree.options[15]=option15;
document.ricerca.aree.options[15].text="Marconi";
document.ricerca.aree.options[15].value="marconi";
if ( selpro=="marconi"	) { document.ricerca.aree.selectedIndex=15; } 
var option16 = document.createElement('option'); 
document.ricerca.aree.options[16]=option16;
document.ricerca.aree.options[16].text="Ostia";
document.ricerca.aree.options[16].value="ostia";
if ( selpro=="ostia"	) { document.ricerca.aree.selectedIndex=16; } 
var option17 = document.createElement('option'); 
document.ricerca.aree.options[17]=option17;
document.ricerca.aree.options[17].text="Cinecitta'";
document.ricerca.aree.options[17].value="cinecitta'";
if ( selpro=="cinecitta'"	) { document.ricerca.aree.selectedIndex=17; } 
var option18 = document.createElement('option'); 
document.ricerca.aree.options[18]=option18;
document.ricerca.aree.options[18].text="Centro storico";
document.ricerca.aree.options[18].value="centro storico";
if ( selpro=="centro storico"	) { document.ricerca.aree.selectedIndex=18; } 
var option19 = document.createElement('option'); 
document.ricerca.aree.options[19]=option19;
document.ricerca.aree.options[19].text="Parioli";
document.ricerca.aree.options[19].value="parioli";
if ( selpro=="parioli"	) { document.ricerca.aree.selectedIndex=19; } 
		}
if ( regSel == "firenze" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Ponte Vecchio";
document.ricerca.aree.options[1].value="ponte vecchio";
if ( selpro=="ponte vecchio"	) { document.ricerca.aree.selectedIndex=1; } 
var option2 = document.createElement('option'); 
document.ricerca.aree.options[2]=option2;
document.ricerca.aree.options[2].text="San Lorenzo";
document.ricerca.aree.options[2].value="san lorenzo";
if ( selpro=="san lorenzo"	) { document.ricerca.aree.selectedIndex=2; } 
var option3 = document.createElement('option'); 
document.ricerca.aree.options[3]=option3;
document.ricerca.aree.options[3].text="Repubblica - Duomo";
document.ricerca.aree.options[3].value="repubblica - duomo";
if ( selpro=="repubblica - duomo"	) { document.ricerca.aree.selectedIndex=3; } 
var option4 = document.createElement('option'); 
document.ricerca.aree.options[4]=option4;
document.ricerca.aree.options[4].text="Santa Maria Novella";
document.ricerca.aree.options[4].value="santa maria novella";
if ( selpro=="santa maria novella"	) { document.ricerca.aree.selectedIndex=4; } 
var option5 = document.createElement('option'); 
document.ricerca.aree.options[5]=option5;
document.ricerca.aree.options[5].text="Duomo";
document.ricerca.aree.options[5].value="duomo";
if ( selpro=="duomo"	) { document.ricerca.aree.selectedIndex=5; } 
var option6 = document.createElement('option'); 
document.ricerca.aree.options[6]=option6;
document.ricerca.aree.options[6].text="San Marco";
document.ricerca.aree.options[6].value="san marco";
if ( selpro=="san marco"	) { document.ricerca.aree.selectedIndex=6; } 
var option7 = document.createElement('option'); 
document.ricerca.aree.options[7]=option7;
document.ricerca.aree.options[7].text="Santa Croce";
document.ricerca.aree.options[7].value="santa croce";
if ( selpro=="santa croce"	) { document.ricerca.aree.selectedIndex=7; } 
var option8 = document.createElement('option'); 
document.ricerca.aree.options[8]=option8;
document.ricerca.aree.options[8].text="Pitti - Santo Spirito";
document.ricerca.aree.options[8].value="pitti - santo spirito";
if ( selpro=="pitti - santo spirito"	) { document.ricerca.aree.selectedIndex=8; } 
var option9 = document.createElement('option'); 
document.ricerca.aree.options[9]=option9;
document.ricerca.aree.options[9].text="Oltrarno";
document.ricerca.aree.options[9].value="oltrarno";
if ( selpro=="oltrarno"	) { document.ricerca.aree.selectedIndex=9; } 
var option10 = document.createElement('option'); 
document.ricerca.aree.options[10]=option10;
document.ricerca.aree.options[10].text="Campi Bisenzio";
document.ricerca.aree.options[10].value="campi bisenzio";
if ( selpro=="campi bisenzio"	) { document.ricerca.aree.selectedIndex=10; } 
var option11 = document.createElement('option'); 
document.ricerca.aree.options[11]=option11;
document.ricerca.aree.options[11].text="San Frediano";
document.ricerca.aree.options[11].value="san frediano";
if ( selpro=="san frediano"	) { document.ricerca.aree.selectedIndex=11; } 
var option12 = document.createElement('option'); 
document.ricerca.aree.options[12]=option12;
document.ricerca.aree.options[12].text="Beccaria";
document.ricerca.aree.options[12].value="beccaria";
if ( selpro=="beccaria"	) { document.ricerca.aree.selectedIndex=12; } 
var option13 = document.createElement('option'); 
document.ricerca.aree.options[13]=option13;
document.ricerca.aree.options[13].text="Fortezza";
document.ricerca.aree.options[13].value="fortezza";
if ( selpro=="fortezza"	) { document.ricerca.aree.selectedIndex=13; } 
var option14 = document.createElement('option'); 
document.ricerca.aree.options[14]=option14;
document.ricerca.aree.options[14].text="Gavinana";
document.ricerca.aree.options[14].value="gavinana";
if ( selpro=="gavinana"	) { document.ricerca.aree.selectedIndex=14; } 
		}
if ( regSel == "napoli" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Mergellina";
document.ricerca.aree.options[1].value="mergellina";
if ( selpro=="mergellina"	) { document.ricerca.aree.selectedIndex=1; } 
var option2 = document.createElement('option'); 
document.ricerca.aree.options[2]=option2;
document.ricerca.aree.options[2].text="Decumano maggiore";
document.ricerca.aree.options[2].value="decumano maggiore";
if ( selpro=="decumano maggiore"	) { document.ricerca.aree.selectedIndex=2; } 
var option3 = document.createElement('option'); 
document.ricerca.aree.options[3]=option3;
document.ricerca.aree.options[3].text="Piazza Principe Umberto";
document.ricerca.aree.options[3].value="piazza principe umberto";
if ( selpro=="piazza principe umberto"	) { document.ricerca.aree.selectedIndex=3; } 
var option4 = document.createElement('option'); 
document.ricerca.aree.options[4]=option4;
document.ricerca.aree.options[4].text="Centro";
document.ricerca.aree.options[4].value="centro";
if ( selpro=="centro"	) { document.ricerca.aree.selectedIndex=4; } 
var option5 = document.createElement('option'); 
document.ricerca.aree.options[5]=option5;
document.ricerca.aree.options[5].text="Poggioreale";
document.ricerca.aree.options[5].value="poggioreale";
if ( selpro=="poggioreale"	) { document.ricerca.aree.selectedIndex=5; } 
var option6 = document.createElement('option'); 
document.ricerca.aree.options[6]=option6;
document.ricerca.aree.options[6].text="Piazza Garibaldi";
document.ricerca.aree.options[6].value="piazza garibaldi";
if ( selpro=="piazza garibaldi"	) { document.ricerca.aree.selectedIndex=6; } 
var option7 = document.createElement('option'); 
document.ricerca.aree.options[7]=option7;
document.ricerca.aree.options[7].text="Sant'Antimo";
document.ricerca.aree.options[7].value="sant'antimo";
if ( selpro=="sant'antimo"	) { document.ricerca.aree.selectedIndex=7; } 
var option8 = document.createElement('option'); 
document.ricerca.aree.options[8]=option8;
document.ricerca.aree.options[8].text="Chiaia";
document.ricerca.aree.options[8].value="chiaia";
if ( selpro=="chiaia"	) { document.ricerca.aree.selectedIndex=8; } 
		}
if ( regSel == "venezia" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="San Marco";
document.ricerca.aree.options[1].value="san marco";
if ( selpro=="san marco"	) { document.ricerca.aree.selectedIndex=1; } 
var option2 = document.createElement('option'); 
document.ricerca.aree.options[2]=option2;
document.ricerca.aree.options[2].text="Dorsoduro";
document.ricerca.aree.options[2].value="dorsoduro";
if ( selpro=="dorsoduro"	) { document.ricerca.aree.selectedIndex=2; } 
var option3 = document.createElement('option'); 
document.ricerca.aree.options[3]=option3;
document.ricerca.aree.options[3].text="Cannaregio";
document.ricerca.aree.options[3].value="cannaregio";
if ( selpro=="cannaregio"	) { document.ricerca.aree.selectedIndex=3; } 
var option4 = document.createElement('option'); 
document.ricerca.aree.options[4]=option4;
document.ricerca.aree.options[4].text="Mestre";
document.ricerca.aree.options[4].value="mestre";
if ( selpro=="mestre"	) { document.ricerca.aree.selectedIndex=4; } 
var option5 = document.createElement('option'); 
document.ricerca.aree.options[5]=option5;
document.ricerca.aree.options[5].text="Santa Croce";
document.ricerca.aree.options[5].value="santa croce";
if ( selpro=="santa croce"	) { document.ricerca.aree.selectedIndex=5; } 
		}
if ( regSel == "prato" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Centro storico";
document.ricerca.aree.options[1].value="centro storico";
if ( selpro=="centro storico"	) { document.ricerca.aree.selectedIndex=1; } 
		}
if ( regSel == "lucca" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Centro storico";
document.ricerca.aree.options[1].value="centro storico";
if ( selpro=="centro storico"	) { document.ricerca.aree.selectedIndex=1; } 
var option2 = document.createElement('option'); 
document.ricerca.aree.options[2]=option2;
document.ricerca.aree.options[2].text="San Macario";
document.ricerca.aree.options[2].value="san macario";
if ( selpro=="san macario"	) { document.ricerca.aree.selectedIndex=2; } 
		}
if ( regSel == "catania" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Corso Italia";
document.ricerca.aree.options[1].value="corso italia";
if ( selpro=="corso italia"	) { document.ricerca.aree.selectedIndex=1; } 
var option2 = document.createElement('option'); 
document.ricerca.aree.options[2]=option2;
document.ricerca.aree.options[2].text="Centro storico";
document.ricerca.aree.options[2].value="centro storico";
if ( selpro=="centro storico"	) { document.ricerca.aree.selectedIndex=2; } 
		}
if ( regSel == "palermo" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Centro";
document.ricerca.aree.options[1].value="centro";
if ( selpro=="centro"	) { document.ricerca.aree.selectedIndex=1; } 
		}
if ( regSel == "lecce" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Centro storico";
document.ricerca.aree.options[1].value="centro storico";
if ( selpro=="centro storico"	) { document.ricerca.aree.selectedIndex=1; } 
		}
if ( regSel == "ferrara" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Duomo";
document.ricerca.aree.options[1].value="duomo";
if ( selpro=="duomo"	) { document.ricerca.aree.selectedIndex=1; } 
		}
if ( regSel == "bologna" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Piazza Maggiore";
document.ricerca.aree.options[1].value="piazza maggiore";
if ( selpro=="piazza maggiore"	) { document.ricerca.aree.selectedIndex=1; } 
		}
if ( regSel == "cagliari" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Centro";
document.ricerca.aree.options[1].value="centro";
if ( selpro=="centro"	) { document.ricerca.aree.selectedIndex=1; } 
		}
if ( regSel == "montecatini" ){
var option1 = document.createElement('option'); 
document.ricerca.aree.options[1]=option1;
document.ricerca.aree.options[1].text="Centro";
document.ricerca.aree.options[1].value="centro";
if ( selpro=="centro"	) { document.ricerca.aree.selectedIndex=1; } 
		}
 }