$(document).ready(function () {
  googlemap();
});

function googlemap() {

  var latlng = new google.maps.LatLng(48.8222438, 7.764);

    var myOptions = {
      scrollwheel: false,
      zoom: 17,
      center: latlng,
      mapTypeId: google.maps.MapTypeId.HYBRID
    };

    var map = new google.maps.Map(document.getElementById("map"), myOptions);

    var image = 'http://cerbox.com/images/flag';

    var marker = new google.maps.Marker({
      position: latlng, 
      map: map,
      icon: image,
      title:"MédiAlsace"
    });

    var contentString = '<h3>MédiAlsace</h3><p>3, rue Ferme Claus<br/>67500 HAGUENAU</p>';

    var infowindow = new google.maps.InfoWindow({
      content: contentString
    });
    
    google.maps.event.addListener(marker, 'click', function() {
      infowindow.open(map,marker);
    });

}