function googleMaps1(startPoint){
  var win = window.open('','map')
  var startPoint = document.getElementById(startPoint).value;
  win.location = 'http://maps.google.it/maps?f=d&hl=it&saddr='+startPoint+'&daddr=Via+Carducci+Lissone+&ie=UTF8&om=1';
}

function googleMaps2(startPoint){
  var win = window.open('','map')
  var startPoint = document.getElementById(startPoint).value;
  win.location = 'http://maps.google.it/maps?f=d&hl=it&saddr='+startPoint+'&daddr=Via+Matteotti+Lissone+&ie=UTF8&om=1';
}

function googleMaps3(startPoint){
 var win = window.open('','map')
 var startPoint = document.getElementById(startPoint).value;
 win.location = 'http://maps.google.it/maps?f=d&hl=it&saddr='+startPoint+'&daddr=Via+Durini+Milano+&ie=UTF8&om=1';
}