Untitled

<!DOCTYPE html >
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>L3 CARDS</title>
<style>
  /* Always set the map height explicitly to define the size of the div
   * element that contains the map. */
  #map {
    height: 50%;
    width: 50%;
  }
  /* Optional: Makes the sample page fill the window. */
  html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
  }
</style>
</head>

<body>
<div id="map"></div>

<script>
  var customLabel = {
1: {
label: 'A'
},
2: {
label: 'I'
},
3: {
label: 'L'
},
4: {
label: 'R'
},
5: {
label: 'G'
}
};

function initMap() {
var map = new google.maps.Map(document.getElementById('map'), {
      center: new google.maps.LatLng(45.3791021, -122.7613788),
      zoom: 15
    });
var infoWindow = new google.maps.InfoWindow;

      // Change this depending on the name of your PHP or XML file
      downloadUrl('maptest2.php', function(data) {
var xml = data.responseXML;
var markers = xml.documentElement.getElementsByTagName('marker');
Array.prototype.forEach.call(markers, function(markerElem) {
var id = markerElem.getAttribute('id');
var reporttype = markerElem.getAttribute('reporttype');
var propertyname = markerElem.getAttribute('propertyname');
var point = new google.maps.LatLng(
    parseFloat(markerElem.getAttribute('lat')),
    parseFloat(markerElem.getAttribute('lng')));
var infowincontent = document.createElement('div');
var strong = document.createElement('strong');
strong.textContent = propertyname
infowincontent.appendChild(strong);
infowincontent.appendChild(document.createElement('br'));

var text = document.createElement('text');
text.textContent = propertyname
infowincontent.appendChild(text);
var icon = customLabel[reporttype] || {};
var marker = new google.maps.Marker({
  map: map,
  position: point,
  label: icon.label
});
          marker.addListener('click', function() {
            infoWindow.setContent(infowincontent);
            infoWindow.open(map, marker);
          });
        });
      });
    }


  function downloadUrl(url, callback) {
    var request = window.ActiveXObject ?
        new ActiveXObject('Microsoft.XMLHTTP') :
        new XMLHttpRequest;

    request.onreadystatechange = function() {
      if (request.readyState == 4) {
        request.onreadystatechange = doNothing;
        callback(request, request.status);
      }
    };

    request.open('GET', url, true);
    request.send(null);
  }

  function doNothing() {}
</script>
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyAdgJ2anfhIkR3ZgrcLA5MD1RnR0256nK8&callback=initMap">
</script>