Google Maps Multiple Markers

HTML

<div>
  <div id="map" style="width: 500px; height: 400px;"></div>

<script src="http://maps.google.com/maps/api/js?sensor=false"></script>
    <script type="text/javascript"  src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=weather"></script>
    <input type="button" value="get location" onclick="getUserLocation()" />
    <div id="locationData">Location data here</div>
    
</div>

JavaScript

var locations = [
    [
        "New Mermaid",
        36.9079,
        -76.199,
        1,
        "Georgia Mason",
        "",
        "Norfolk Botanical Gardens, 6700 Azalea Garden Rd.",
        "coming soon"
    ],
    [
        "1950 Fish Dish",
        36.87224,
        -76.29518,
        2,
        "Terry Cox-Joseph",
        "Rowena's",
        "758 W. 22nd Street in front of Rowena's",
        "found"
    ],
    [
        "A Rising Community",
        36.95298,
        -76.25158,
        3,
        "Steven F. Morris",
        "Judy Boone Realty",
        "Norfolk City Library - Pretlow Branch, 9640 Granby St.",
        "found"
    ],
    [
        "A School Of Fish",
        36.88909,
        -76.26055,
        4,
        "Steven F. Morris",
        "Sandfiddler Pawn Shop",
        "5429 Tidewater Dr.",
        "found"
    ],
    [
        "Aubrica the Mermaid (nee: Aubry Alexis)",
        36.8618,
        -76.203,
        5,
        "Myke Irving/ Georgia Mason",
        "USAVE Auto Rental",
        "Virginia Auto Rental on Virginia Beach Blvd",
        "found"
    ]
]

var getUserLocation = function () {
    console.log("getting location");
    //check if the geolocation object is supported, if so get position
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(displayLocation);
    } else {
        document.getElementById("locationData").innerHTML = "Sorry - your browser doesn't support geolocation!";
    }
};


var displayLocation = function (position) {

    //build text string including co-ordinate data passed in parameter
    var displayText = "User latitude is " + position.coords.latitude + " and longitude is " + position.coords.longitude;

    //display the string for demonstration
    document.getElementById("locationData").innerHTML = displayText;
};

    var map = new google.maps.Map(document.getElementById('map'), {
      zoom: 12,
      // center: new google.maps.LatLng(-33.92, 151.25),
      center: new...