Bei mir klappt es leider nicht.
[karte]<script src='https://maps.googleapis.com/maps/api/js?v=3.exp'></script><div style='overflow:hidden;height:440px;width:700px;'><div id='gmap_canvas' style='height:440px;width:700px;'></div><div><small><a href="http://embedgooglemaps.com">embed google maps</a></small></div><div><small><a href="https://buywebsitetrafficreviews.org/trafficwebsites/">know more about the best traffic sellers!</a></small></div><style>#gmap_canvas img{max-width:none!important;background:none!important}</style></div><script type='text/javascript'>function init_map(){var myOptions = {zoom:10,center:new google.maps.LatLng(51.18913,14.432500000000005),mapTypeId: google.maps.MapTypeId.TERRAIN};map = new google.maps.Map(document.getElementById('gmap_canvas'), myOptions);marker = new google.maps.Marker({map: map,position: new google.maps.LatLng(51.18913,14.432500000000005)});infowindow = new google.maps.InfoWindow({content:'<strong>Title</strong><br>Breitscheidstraße 4, 02625 Bautzen<br>'});google.maps.event.addListener(marker, 'click', function(){infowindow.open(map,marker);});infowindow.open(map,marker);}google.maps.event.addDomListener(window, 'load', init_map);</script>[/karte]