function showAddress(lat, lng, loc){
  var latlng = new google.maps.LatLng(lat, lng);
  var options = {
  zoom: 10,
  center: latlng,
  mapTypeId: google.maps.MapTypeId.ROADMAP
  }; 
  var map = new google.maps.Map(document.getElementById('mapa'), options);
    
  var changezoom;      
  switch (loc) {
    case 'street_address':
        changezoom=5;
        break;
    case 'route':
        changezoom=5;
        break;
    case 'sublocality':
        changezoom=5;
        break;
    case 'locality':
        changezoom=3;
        break;
    case 'country':
        changezoom=0;
        break;
    default:
        changezoom=4;
  }
  map.setZoom(map.getZoom() + changezoom); 
  var marker = new google.maps.Marker({
  position: new google.maps.LatLng(lat, lng),
  map: map
  });
            
}