Map not displayed in front end

'+ ' '; infowindow.setContent(contentString); infowindow.setPosition(latlng); infowindow.open(map); markerCluster0 = new MarkerClusterer(map, [], { maxZoom: 12}); var userContactAttrs = 'name,position,address,phone,mobile,fax,email'; for (var i=0; i per arrivare a serravalle "; function computeTotalDistance(result) { var total = 0; var myroute = result.routes[0]; for (i = 0; i Distanza totale: " + total + " km"; }; markerCluster0.addMarkers(clustermarkers0); var toShowLoading = document.getElementById("GMapsLoading"); toShowLoading.style.display = 'none'; }; function PlacemarkByIDShow(p_id, p_action, p_zoom) { alert("This feature is supported only when you enable it in map menu item property!"); } function showPlacemarkPanorama(p_width, p_height, p_pov) { var contentStringStreetView = "" + ' '+ ' '; infowindow.close(); infowindow.setContent(contentStringStreetView); infowindow.open(map); var infowindowpanorama = new google.maps.StreetViewPanorama(document.getElementById("contentStringStreetView"), { navigationControl: true, enableCloseButton: false, addressControl: false, linksControl: false } ); infowindowpanorama.setPosition(infowindow.getPosition()); if (p_pov != "") { infowindowpanorama.setPov(p_pov); } var infowindowListenterHandle = google.maps.event.addListener(infowindow, 'domready', function() { google.maps.event.trigger(infowindowpanorama, 'resize'); google.maps.event.removeListener(infowindowListenterHandle); }); }; function setRouteDestination(p_direction) { routedirection = p_direction; var cur_panel = document.getElementById("GMapFindPanelIcon"); var cur_target = document.getElementById("GMapFindTargetIcon"); var cur_target_text = document.getElementById("GMapFindTargetText"); cur_target_text.innerHTML = ''+infowindow.get("zhgmPlacemarkTitle")+''; if (routedirection == 1) { cur_panel.innerHTML = ''; cur_target.innerHTML = ''; } else { cur_panel.innerHTML = ''; cur_target.innerHTML = ''; } routedestination = infowindow.getPosition(); }; function setRouteDestinationChange() { if (routedirection == 0) { setRouteDestination(1); } else { setRouteDestination(0); } }; function ShowPlacemarkInformation(responseObject, markerObject){ if (responseObject.dataexists == 1) { var map = markerObject.getMap(); var actionbyclick = parseInt(responseObject.actionbyclick); var zoombyclick = parseInt(responseObject.zoombyclick); if (actionbyclick == 0) { if (zoombyclick != 100) { map.setCenter(markerObject.getPosition()); map.setZoom(zoombyclick); } } else if (actionbyclick == 1) { if (zoombyclick != 100) { map.setCenter(markerObject.getPosition()); map.setZoom(zoombyclick); } infowindow.close(); for (i = 0; i */