gistfile1.js

  $(".map-marker").each(function() {                                                                                                                                             
var title = $(this).data("title")                                                                                                                                           
var lat = $(this).data("lat")                                                                                                                                            
    var lng = $(this).data("lng")                                                                                                                                                                                                                                                                                                                             var marker = new google.maps.Marker({                                                                                                                                          
position: new google.maps.LatLng(lat, lng),                                                                                                                            
      map: map,                                                                                                                                                                    
title: title });                                                                                                                                                                                                                                                                                                                                    
    var infowindow = new google.maps.InfoWindow({                                                                                                                                  
content: $(this).html() });                                                                                                                                                                                                                                                                                                                         
    google.maps.event.addListener(marker, "click", function() {                                                                                                              
      infowindow.open(map, marker); });                                                                                                                                      
  });