function initMap() {
    var map = new google.maps.Map(document.getElementById('map'), {
      zoom: 17,
      center: {lat: -37.8170311, lng: 144.9610213}
    });

    var image = 'https://developers.google.com/maps/documentation/javascript/examples/full/images/beachflag.png';
    var marker = new google.maps.Marker({
      position: {lat: -37.8170311, lng: 144.9610213},
      map: map,
      title: 'Contactpoint'
    });


    var contentString = '<div id="content">'+
        '<div id="siteNotice">'+
        '</div>'+
        '<div class="m_p_title" style="font-family:Open Sans">Contactpoint Pty Ltd</div>'+
        '<div id="bodyContent">'+
        '<p>Level 14, 333 Collins Street, Melbourne VIC 3000</p>'+
        '</div>'+
        '</div>';

    var infowindow = new google.maps.InfoWindow({
      content: contentString
    });

    marker.addListener('mouseover', function() {
      infowindow.open(map, marker);
    });

    marker.addListener('mouseout', function() {
      infowindow.close();
    });
}