This code:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Google Map API Demo</title>
<style>
body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 6px;
  height: 100%;
  padding: 0;
}
html { 
  height: 100%;
}
a, a:link, a:visited, a:hover, a:active {
  text-decoration: underline;
  cursor: pointer;
  color: #000;
}
a:hover {
  text-decoration: none;
  cursor: pointer;
  color: #555;
}
.Shadow {
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.4);
}
</style>
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBs55G3yMieFPKlyyQS8OxzYc0WAzg_76Y&sensor=false"></script>
<script type="text/javascript" src="https://code.jquery.com/jquery-1.10.2.min.js"></script>

<script type="text/javascript">
var GoogleMap = null,
  GoogleInfoBubble = null,
  GoogleMarkers = new Array;

function PlotAddress(StreetAddress) {
  var Position = null;
  var geocoder = new google.maps.Geocoder();

  geocoder.geocode({ 'address': StreetAddress }, function(results, status) {
    if (status == google.maps.GeocoderStatus.OK) {
      Position = results[0].geometry.location;
      var marker = new google.maps.Marker({
        position: Position,
        map: GoogleMap,
        animation: google.maps.Animation.DROP
      });
      
      marker.hidden = false;
      var ID = GoogleMarkers.push(marker) - 1;
      
      google.maps.event.addListener(marker, 'click', function() {
        var Content = '<table><tr><td nowrap="true">';
        Content += StreetAddress;
        Content += "<div align='center'><a onclick='TogglePin(GoogleMarkers["+ ID +"]);'>Hide Pin</a></div>";
        Content += '</td></tr></table>';
        GoogleInfoBubble.setContent(Content);
        GoogleInfoBubble.open(GoogleMap, marker);
      });
      
      jQuery('#AddedPins').append("<a onclick='TogglePin(GoogleMarkers["+ ID +"]);'>Toggle Pin "+ ID +"</a>, ");

    }
  });
}

function TogglePin(Pin) {
  if(Pin.hidden) {
    Pin.setMap(GoogleMap);
    Pin.hidden = false;
  } else {
    Pin.setMap(null);
    Pin.hidden = true;
  }
}

function ShowHideAll(Which) {
  for (i in GoogleMarkers) {
    GoogleMarkers[i].setMap((Which == 'hide' ? null : GoogleMap));
    GoogleMarkers[i].hidden = (Which == 'hide' ? true : false);
  }
}

/*
 * This function will either add a single button with the nice
 * Google drop shadow, or load up an entire <div> into the
 * Google UI.  If you choose to load an entire <div> this function
 * will replace any %ID% with the word "GoogleMap", this is done
 * to prevent ID tag collision and keep the ID tags unique.
 *
 */
function AddMapUI(Options, OnClick) {
  if(typeof(OnClick) != "function") OnClick = null; // Making sure OnClick is a function.
  
  var MapUI = document.createElement('div');
  MapUI.style.padding = (Options.OutsidePadding ? Options.OutsidePadding : '6px 0px'); // Defaults to 6px top & bottom, 0px left & right

  // Adding the Google Shadow to our UI elements.
  var controlUI = document.createElement('div');
  controlUI.className = 'Shadow';  // Included in style sheet.
  controlUI.style.background = '#FFF';
  controlUI.style.borderStyle = 'solid';
  controlUI.style.borderWidth = '1px';
  controlUI.style.borderColor = 'rgb(113, 123, 135)';
  if(OnClick != null) controlUI.style.cursor = 'pointer';
  if(Options.Center != null) controlUI.style.textAlign = 'center';
  if(Options.Title != null) controlUI.title = Options.Title;
  MapUI.appendChild(controlUI);
  
  // Set CSS for the control interior.
  var controlText = document.createElement('div');
  controlText.style.padding = (Options.InsidePadding ? Options.InsidePadding : '3px 4px'); // Defaults to 3px top & bottom, 4px left & right
  controlText.innerHTML = (Options.Text ? Options.Text : (Options.DivID ? jQuery('#'+ Options.DivID).html().replace(/%ID%/g,'GoogleMap') : 'Unknown' ));
  controlUI.appendChild(controlText);
  
  // Setup the click event listeners
  if(OnClick != null){
    google.maps.event.addDomListener(controlUI, 'click', function() {
      OnClick();
    });
  }
  
  var Where = ( Options.Where == 'TopRight' ? google.maps.ControlPosition.RIGHT_TOP : 
        ( Options.Where == 'BottomRight' ? google.maps.ControlPosition.RIGHT_BOTTOM :
        ( Options.Where == 'MiddleRight' ? google.maps.ControlPosition.RIGHT_CENTER :
          google.maps.ControlPosition.TOP_CENTER )));

  GoogleMap.controls[Where].push(MapUI);
}

jQuery('document').ready(function() {
  var mapOptions = {
    mapTypeControl: false,
    center: new google.maps.LatLng('44.208788', '-73.079395'),
    zoom: 8,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  };
  GoogleMap = new google.maps.Map(document.getElementById("google_map_canvas"), mapOptions);
  
  // Setting this up to use with our markers.
  GoogleInfoBubble = new google.maps.InfoWindow();
  GoogleInfoBubble.Open = false;
});

</script>
</head>

<body>
<div id="GoogleMapsMenu" style="display: none;">
  <strong>My Custom Menu:</strong><br /><br />
  <a OnClick="ShowHideAll('show');">Show Pins</a><br />
  <a OnClick="ShowHideAll('hide');">Hide Pins</a><br />
  <br />
  <div align="center">Map powered by:<br />Google and Adam!</div>
</div>
<div id="menu_header" style="width:800px; background-color:#CCC; padding:5px 0;" align="center">
  <input id="Address" size="40" type="text" value="Starbucks, 10 Hawthorne Street, Williston, VT 05495" /><input OnClick="PlotAddress(jQuery('#Address').val());" value="Plot" type="button" />,
  <a OnClick="AddMapUI({DivID: 'GoogleMapsMenu', Where: 'BottomRight'});">Add Full Menu UI</a>,
  <a href="/tutorials/google-maps/#demos">Return</a>
</div>
<div id="google_map_canvas_parent" style="width:800px; height:600px;"><div id="google_map_canvas" style="width:100%; height:100%;"></div></div>
<div id="AddedPins" style="width:800px;"></div>

</body>
</html>