Korzystam z mapy google z funkcją pokazywania i ukrywania i mam taki kod .xml w którym są lokalizację:
[XML] pobierz, plaintext 
  1. <markers>
  2.  <marker name="Claremont Theatre Club" address="Burwood Dr, Blackpool, Lancashire, FY3 8NS" lng="-3.049690" lat="53.829649" category="theatre" />
  3.  <marker name="Pendle Productions" address="249 Hawes Side La, Blackpool, Lancashire, FY4 4AA" lng="-3.030698" lat="53.794399" category="theatre" />
  4.  <marker name="Tram Shed Theatre" address="7 Moor Pk Av, Blackpool, Lancashire, FY2 0LT" lng="-3.034974" lat="53.845938" category="theatre" />
  5.  <marker name="Thornton Little Theatre" address="Fleetwood Road North, Thornton Cleveleys, FY5 3SZ" lng="-3.010607" lat="53.872058" category="theatre" />
  6.  <marker name="Barbara Jackson Arts" address="Rossall La, Fleetwood, Lancashire, FY7 8JP" lng="-3.033960" lat="53.897928" category="theatre" />
  7.  <marker name="North Shore Golf Club" address="Devonshire Rd, Blackpool, Lancashire, FY2 0RD" lng="-3.043305" lat="53.839898" category="golf" />
  8.  <marker name="St Annes Old Links" address="Highbury Road East, Lytham St. Annes, Lancashire, FY8 2LD" lng="-3.038407" lat="53.762917" category="golf" />
  9.  <marker name="Fairhaven Golf Club" address="Oakwood Av, Lytham St. Annes, Lancashire, FY8 4JU" lng="-2.983218" lat="53.742781" category="golf" />
  10.  <marker name="Green Drive Golf Club" address="Ballam Rd, Lytham St. Annes, Lancashire, FY8 4LE" lng="-2.959530" lat="53.745971" category="golf" />
  11.  <marker name="Fleetwood Golf Club" address="Princes Wy, Fleetwood, Lancashire, FY7 8AF" lng="-3.042973" lat="53.917606" category="golf" />
  12.  <marker name="Knott End Golf Club" address="Wyre Side, Knott End-on-Sea, Poulton-le-Fylde, Lancashire, FY6 0AA" lng="-2.997062" lat="53.923200" category="golf" />
  13.  <marker name="Tourist Information 1" address="1 Clifton St, Blackpool, Lancashire, FY1 1LY" lng="-3.054529" lat="53.818775" category="info" />
  14.  <marker name="Tourist Information 2" address="Thornton-Cleveleys, Lancashire, FY5 1WA" lng="-3.042989" lat="53.876079" category="info" />
  15.  <marker name="Tourist Information 3" address="Victoria Rd West, Thornton-Cleveleys, Lancashire, FY5 1AJ" lng="-3.041668" lat="53.877403" category="info" />
  16.  <marker name="Tourist Information 4" address="St. Annes Rd West, Lytham St. Annes, Lancashire, FY8 1SA" lng="-3.031074" lat="53.752122" category="info" />
  17.  <marker name="Tourist Information 5" address="The Esplanade, Fleetwood, Lancashire, FY7 6DL" lng="-3.006366" lat="53.926970" category="info" />
  18.  <marker name="Tourist Information 6" address="10-12 York St, Blackpool, Lancashire, FY1 5AQ" lng="-3.052919" lat="53.810556" category="info" />
  19. </markers>
[XML] pobierz, plaintext

Mam problem z kodowaniem. Co w takim razie mogę zrobić? Dodawałem:
[XML] pobierz, plaintext 
  1. <?xml version="1.0" encoding="iso-8859-2"?>
[XML] pobierz, plaintext
, ale nic nie pomogło.

Tu zamieszczam kod html/js - może w nim tkwi problem:
[HTML] pobierz, plaintext 
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  2. <html>
  3.   <head>
  4. <meta http-equiv="content-type" content="text/html; charset=iso-8859-2" />
  5. <meta http-equiv="content-language" content="pl" />
  6.     <title>Google Maps</title>
  7.   <script src="klucz api" type="text/javascript"></script>  </head>
  8.   <body onunload="GUnload()">
  9.  
  10.  
  11.   <!-- you can use tables or divs for the overall layout -->
  12.     <table border=1>
  13.       <tr>
  14.         <td>
  15.            <div id="map" style="width: 550px; height: 450px"></div>
  16.         </td>
  17.         <td width = 150 valign="top" style="text-decoration: underline; color: #4444ff;">
  18.            <div id="side_bar"></div>
  19.         </td>
  20.       </tr>
  21.     </table>
  22.     <form action="#">
  23.       Urzędy: <input type="checkbox" id="theatrebox" onclick="boxclick(this,'urzedy')" /> &nbsp;&nbsp;
  24.       Kultura: <input type="checkbox" id="golfbox" onclick="boxclick(this,'kultura')" /> &nbsp;&nbsp;
  25.       Sport: <input type="checkbox" id="golfbox" onclick="boxclick(this,'sport')" /> &nbsp;&nbsp;
  26.       Apteki: <input type="checkbox" id="golfbox" onclick="boxclick(this,'apteki')" /> &nbsp;&nbsp;
  27.       Bankomaty: <input type="checkbox" id="infobox" onclick="boxclick(this,'bankomaty')" /><br />
  28.     </form>  
  29.  
  30.  
  31.     <a href="categories.htm">Back to the tutorial page</a>
  32.  
  33.  
  34.     <noscript><b>JavaScript must be enabled in order for you to use Google Maps.</b> 
  35.       However, it seems JavaScript is either disabled or not supported by your browser. 
  36.       To view Google Maps, enable JavaScript by changing your browser options, and then 
  37.       try again.
  38.     </noscript>
  39.  
  40.  
  41.     <script type="text/javascript">
  42.     //<![CDATA[
  43.  
  44.     if (GBrowserIsCompatible()) {
  45.       var gmarkers = [];
  46.       var gicons = [];
  47.  
  48.       var baseIcon = new GIcon(G_DEFAULT_ICON);
  49.       baseIcon.iconAnchor = new GPoint(9,34);
  50.       baseIcon.iconSize = new GSize(20,34);
  51.       baseIcon.infoWindowAnchor = new GPoint(9,2);
  52.  
  53.  
  54.       gicons["urzedy"] = new GIcon(baseIcon,"/images/logo.png");
  55.       gicons["kultura"] = new GIcon(baseIcon,"colour108.png");
  56.       gicons["sport"] = new GIcon(baseIcon,"colour125.png");
  57.       gicons["apteki"] = new GIcon(baseIcon,"colour125.png");
  58.       gicons["bankomaty"] = new GIcon(baseIcon,"colour125.png");
  59.  
  60.       // A function to create the marker and set up the event window
  61.       function createMarker(point,name,html,category) {
  62.         var marker = new GMarker(point,gicons[category]);
  63.         // === Store the category and name info as a marker properties ===
  64.         marker.mycategory = category;                                 
  65.         marker.myname = name;
  66.         GEvent.addListener(marker, "click", function() {
  67.           marker.openInfoWindowHtml(html);
  68.         });
  69.         gmarkers.push(marker);
  70.         return marker;
  71.       }
  72.  
  73.       // == shows all markers of a particular category, and ensures the checkbox is checked ==
  74.       function show(category) {
  75.         for (var i=0; i<gmarkers.length; i++) {
  76.           if (gmarkers[i].mycategory == category) {
  77.             gmarkers[i].show();
  78.           }
  79.         }
  80.         // == check the checkbox ==
  81.         document.getElementById(category+"box").checked = true;
  82.       }
  83.  
  84.       // == hides all markers of a particular category, and ensures the checkbox is cleared ==
  85.       function hide(category) {
  86.         for (var i=0; i<gmarkers.length; i++) {
  87.           if (gmarkers[i].mycategory == category) {
  88.             gmarkers[i].hide();
  89.           }
  90.         }
  91.         // == clear the checkbox ==
  92.         document.getElementById(category+"box").checked = false;
  93.         // == close the info window, in case its open on a marker that we just hid
  94.         map.closeInfoWindow();
  95.       }
  96.  
  97.       // == a checkbox has been clicked ==
  98.       function boxclick(box,category) {
  99.         if (box.checked) {
  100.           show(category);
  101.         } else {
  102.           hide(category);
  103.         }
  104.         // == rebuild the side bar
  105.         makeSidebar();
  106.       }
  107.  
  108.       function myclick(i) {
  109.         GEvent.trigger(gmarkers[i],"click");
  110.       }
  111.  
  112.  
  113.       // == rebuilds the sidebar to match the markers currently displayed ==
  114.       function makeSidebar() {
  115.         var html = "";
  116.         for (var i=0; i<gmarkers.length; i++) {
  117.           if (!gmarkers[i].isHidden()) {
  118.             html += '<a href="java script:myclick(' + i + ')">' + gmarkers[i].myname + '<\/a><br>';
  119.           }
  120.         }
  121.         document.getElementById("side_bar").innerHTML = html;
  122.       }
  123.  
  124.  
  125.       // create the map
  126.       var map = new GMap2(document.getElementById("map"));
  127.       map.addControl(new GLargeMapControl());
  128.       map.addControl(new GMapTypeControl());
  129.       map.setCenter(new GLatLng(52.078873,21.023884), 14);
  130.  
  131.  
  132.       // Read the data
  133.       GDownloadUrl("categories.xml", function(doc) {
  134.         var xmlDoc = GXml.parse(doc);
  135.         var markers = xmlDoc.documentElement.getElementsByTagName("marker");
  136.  
  137.         for (var i = 0; i < markers.length; i++) {
  138.           // obtain the attribues of each marker
  139.           var lat = parseFloat(markers[i].getAttribute("lat"));
  140.           var lng = parseFloat(markers[i].getAttribute("lng"));
  141.           var point = new GLatLng(lat,lng);
  142.           var address = markers[i].getAttribute("address");
  143.           var name = markers[i].getAttribute("name");
  144.           var html = "<b>"+name+"<\/b><p>"+address;
  145.           var category = markers[i].getAttribute("category");
  146.           // create the marker
  147.           var marker = createMarker(point,name,html,category);
  148.           map.addOverlay(marker);
  149.         }
  150.  
  151.         // == show or hide the categories initially ==
  152.         hide("urzedy");
  153.         hide("kultura");
  154.         hide("sport");
  155.         hide("apteki");
  156.         hide("bankomaty");
  157.         // == create the initial sidebar ==
  158.         makeSidebar();
  159.       });
  160.     }
  161.  
  162.     else {
  163.       alert("Sorry, the Google Maps API is not compatible with this browser");
  164.     }
  165.     // This Javascript is based on code provided by the
  166.     // Community Church Javascript Team
  167.     // http://www.bisphamchurch.org.uk/   
  168.     // http://econym.org.uk/gmap/
  169.  
  170.     //]]>
  171.     </script>
  172.   </body>
  173.  
  174. </html>
[HTML] pobierz, plaintext