function initializeJsMp() { var myLatlng = new google.maps.LatLng(48.8414, 2.25305); var myOptions = { zoom: 12, center: myLatlng, mapTypeId: google.maps.MapTypeId.ROADMAP } var map = new google.maps.Map(document.getElementById("venue_gmap"), myOptions); var marker = new google.maps.Marker({ position: myLatlng, title:"Le Parc des Princes" }); // To add the marker to the map, call setMap(); marker.setMap(map); } function loadScriptik() { var script = document.createElement("script"); script.type = "text/javascript"; script.src = "https://maps.google.com/maps/api/js?callback=initializeJsMp&key=AIzaSyA1NR_RmgpTgzBwKwrvt_yGXw5Cw4Kj_io"; document.body.appendChild(script); } window.onload = loadScriptik;