function menuStereofot() {
if(document.getElementById("menuStereoFot").style.visibility == "hidden"){
nascondi();
document.getElementById("menuStereoFot").style.visibility = "visible";
	} else{
	document.getElementById("menuStereoFot").style.visibility = "hidden";
	}
		}
	
function menuInfo() {
if(document.getElementById("menuInfo").style.visibility == "hidden"){
nascondi();
document.getElementById("menuInfo").style.visibility = "visible";
} else{
document.getElementById("menuInfo").style.visibility = "hidden";
}

}

function nascondi() {
document.getElementById('monumenti').style.visibility = "hidden";
document.getElementById('territorio').style.visibility = "hidden";
document.getElementById('servizi').style.visibility = "hidden";
document.getElementById('vie').style.visibility = "hidden";
document.getElementById('botteghe').style.visibility = "hidden";
document.getElementById('porte').style.visibility = "hidden";
document.getElementById("menuStereoFot").style.visibility = "hidden";
document.getElementById("menuInfo").style.visibility = "hidden";
	}

function monumenti(){
nascondi();
document.getElementById('monumenti').style.visibility = "visible";

  map.clearOverlays();
map.setCenter(new GLatLng(41.80922837928007, 15.160961151123047), 15);
map.setMapType(G_SATELLITE_MAP);

// Create a base icon for all of our markers that specifies the
// shadow, icon dimensions, etc.
var baseIcon = new GIcon();
baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
baseIcon.iconSize = new GSize(15, 20);
baseIcon.shadowSize = new GSize(20, 20);
baseIcon.iconAnchor = new GPoint(9, 20);
baseIcon.infoWindowAnchor = new GPoint(9, 2);
baseIcon.infoShadowAnchor = new GPoint(18, 25);

// Creates a marker whose info window displays the letter corresponding
// to the given index.
function createMarker(pointA, index) {
  var icon = new GIcon(baseIcon);
 icon.image = "http://labs.google.com/ridefinder/images/mm_20_green.png";
  var marker = new GMarker(pointA, icon);

  GEvent.addListener(marker, "mouseover", function() {
   marker.openInfoWindowHtml("<table width=200 height=90><tr><TD> <b>" + nomeA[index]);
  });
  return marker;
}

for (var i = 1; i < 10; i++) {
  var puntoA = pointA[i];
  map.addOverlay(createMarker(puntoA, i));
}
}

function territorio(){
nascondi();
document.getElementById('territorio').style.visibility = "visible";

  map.clearOverlays();
map.setCenter(new GLatLng(41.81891993477623, 15.19683837890625), 11);
map.setMapType(G_HYBRID_MAP);

// Create a base icon for all of our markers that specifies the
// shadow, icon dimensions, etc.
var baseIcon = new GIcon();
baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
baseIcon.iconSize = new GSize(15, 20);
baseIcon.shadowSize = new GSize(20, 20);
baseIcon.iconAnchor = new GPoint(9, 20);
baseIcon.infoWindowAnchor = new GPoint(9, 2);
baseIcon.infoShadowAnchor = new GPoint(18, 25);

// Creates a marker whose info window displays the letter corresponding
// to the given index.
function createMarker(pointB, index) {
  var icon = new GIcon(baseIcon);
 icon.image = "http://labs.google.com/ridefinder/images/mm_20_red.png";
  var marker = new GMarker(pointB, icon);

  GEvent.addListener(marker, "mouseover", function() {
   marker.openInfoWindowHtml("<table width=200 height=90><tr><TD> <b>" + nomeB[index]);
  });
  return marker;
}

for (var i = 0; i < 12; i++) {
  var puntoB = pointB[i];
  map.addOverlay(createMarker(puntoB, i));
}

}

function servizi(){
nascondi();
document.getElementById('servizi').style.visibility = "visible";

  map.clearOverlays();
map.setCenter(new GLatLng(41.80922837928007, 15.160961151123047), 15);
map.setMapType(G_HYBRID_MAP);

// Create a base icon for all of our markers that specifies the
// shadow, icon dimensions, etc.
var baseIcon = new GIcon();
baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
baseIcon.iconSize = new GSize(15, 20);
baseIcon.shadowSize = new GSize(20, 20);
baseIcon.iconAnchor = new GPoint(9, 20);
baseIcon.infoWindowAnchor = new GPoint(9, 2);
baseIcon.infoShadowAnchor = new GPoint(18, 25);

// Creates a marker whose info window displays the letter corresponding
// to the given index.
function createMarker(point, index) {
  var icon = new GIcon(baseIcon);
 icon.image = "http://labs.google.com/ridefinder/images/mm_20_yellow.png";
  var marker = new GMarker(point, icon);

  GEvent.addListener(marker, "mouseover", function() {
   marker.openInfoWindowHtml("<table width=200 height=90><tr><TD> <b>" + nome[index]);
  });
  return marker;
}

for (var i = 0; i < 9; i++) {
  var punto = point[i];
  map.addOverlay(createMarker(punto, i));
}
}

function vie(){
nascondi();
document.getElementById('vie').style.visibility = "visible";

  map.clearOverlays();
map.setCenter(new GLatLng(41.804925882225845, 15.158858299255371), 16);
map.setMapType(G_HYBRID_MAP);

// Create a base icon for all of our markers that specifies the
// shadow, icon dimensions, etc.
var baseIcon = new GIcon();
baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
baseIcon.iconSize = new GSize(15, 20);
baseIcon.shadowSize = new GSize(20, 20);
baseIcon.iconAnchor = new GPoint(9, 20);
baseIcon.infoWindowAnchor = new GPoint(9, 2);
baseIcon.infoShadowAnchor = new GPoint(18, 25);

// Creates a marker whose info window displays the letter corresponding
// to the given index.
function createMarker(pointC, index) {
  var icon = new GIcon(baseIcon);
 icon.image = "http://labs.google.com/ridefinder/images/mm_20_green.png";
  var marker = new GMarker(pointC, icon);

  GEvent.addListener(marker, "mouseover", function() {
   marker.openInfoWindowHtml("<table width=200 height=90><tr><TD> <b>" + nomeC[index]);
  });
  return marker;
}

for (var i = 0; i < 10; i++) {
  var puntoC = pointC[i];
  map.addOverlay(createMarker(puntoC, i));
}
}

function botteghe(){
nascondi();
document.getElementById('botteghe').style.visibility = "visible";

  map.clearOverlays();
map.setCenter(new GLatLng(41.80419011030532, 15.158826112747192), 18);
map.setMapType(G_SATELLITE_MAP);

// Create a base icon for all of our markers that specifies the
// shadow, icon dimensions, etc.
var baseIcon = new GIcon();
baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
baseIcon.iconSize = new GSize(20, 20);
baseIcon.shadowSize = new GSize(30, 30);
baseIcon.iconAnchor = new GPoint(9, 20);
baseIcon.infoWindowAnchor = new GPoint(9, 2);
baseIcon.infoShadowAnchor = new GPoint(18, 25);

// Creates a marker whose info window displays the letter corresponding
// to the given index.
function createMarker(pointE, index) {
  var icon = new GIcon(baseIcon);
 icon.image = "http://labs.google.com/ridefinder/images/mm_20_orange.png";
  var marker = new GMarker(pointE, icon);

  GEvent.addListener(marker, "mouseover", function() {
   marker.openInfoWindowHtml("<table width=200 height=90><tr><TD> <b>" + nomeE[index]);
  });
  return marker;
}

for (var i = 0; i < 4; i++) {
  var puntoE = pointE[i];
  map.addOverlay(createMarker(puntoE, i));
}
}

function porte(){
nascondi();
document.getElementById('porte').style.visibility = "visible";

  map.clearOverlays();
map.setCenter(new GLatLng(41.80355829941337, 15.158482789993286), 17);
map.setMapType(G_SATELLITE_MAP);

// Create a base icon for all of our markers that specifies the
// shadow, icon dimensions, etc.
var baseIcon = new GIcon();
baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
baseIcon.iconSize = new GSize(20, 30);
baseIcon.shadowSize = new GSize(20, 20);
baseIcon.iconAnchor = new GPoint(9, 20);
baseIcon.infoWindowAnchor = new GPoint(9, 2);
baseIcon.infoShadowAnchor = new GPoint(18, 25);

// Creates a marker whose info window displays the letter corresponding
// to the given index.
function createMarker(pointF, index) {
  var icon = new GIcon(baseIcon);
 icon.image = "http://labs.google.com/ridefinder/images/mm_20_green.png";
  var marker = new GMarker(pointF, icon);

  GEvent.addListener(marker, "mouseover", function() {
   marker.openInfoWindowHtml("<table width=250 height=90><tr><TD> <b>" + nomeF[index]);
  });
  return marker;
}

for (var i = 0; i < 7; i++) {
  var puntoF = pointF[i];
  map.addOverlay(createMarker(puntoF, i));
}
}