//<![CDATA[

   if (GBrowserIsCompatible()) {
     var side_bar_html = "";
     var gmarkers = [];
     var htmls = [];
     // arrays to hold variants of the info window html with get direction forms open
     var to_htmls = [];
     var from_htmls = [];


     // A function to create the marker and set up the event window
     function createMarker(point,name,html) {
       var marker = new GMarker(point);

       var i = gmarkers.length;

       // The info window version with the "to here" form open
       to_htmls[i] =html + '<br>Directions: <b>To here<\/b> - <a href="javascript:fromhere(' + i + ')">From here<\/a>' +
          '<br>Start address:<form action="javascript:getDirections()">' +
          '<input type="text" SIZE=40 MAXLENGTH=40 name="saddr" id="saddr" value="" /><br>' +
          '<INPUT value="Get Directions" TYPE="SUBMIT"><br>' +
          'Walk <input type="checkbox" name="walk" id="walk" /> &nbsp; Avoid Highways <input type="checkbox" name="highways" id="highways" />' +
          '<input type="hidden" id="daddr" value="'+name+"@"+ point.lat() + ',' + point.lng() + 
          '"/>';
       // The info window version with the "from here" form open
       from_htmls[i] = html + '<br>Directions: <a href="javascript:tohere(' + i + ')">To here<\/a> - <b>From here<\/b>' +
          '<br>End address:<form action="javascript:getDirections()">' +
          '<input type="text" SIZE=40 MAXLENGTH=40 name="daddr" id="daddr" value="" /><br>' +
          '<INPUT value="Get Directions" TYPE="SUBMIT"><br>' +
          'Walk <input type="checkbox" name="walk" id="walk" /> &nbsp; Avoid Highways <input type="checkbox" name="highways" id="highways" />' +
          '<input type="hidden" id="saddr" value="'+name+"@"+ point.lat() + ',' + point.lng() +
          '"/>';
       // The inactive version of the direction info
       html = html + '<br>Directions: <a href="javascript:tohere('+i+')">To here<\/a> - <a href="javascript:fromhere('+i+')">From here<\/a>';

       GEvent.addListener(marker, "click", function() {
         marker.openInfoWindowHtml(html);
       });
       // save the info we need to use later for the side_bar
       gmarkers.push(marker);
       htmls[i] = html;
       // add a line to the side_bar html
       side_bar_html += '<a href="javascript:myclick(' + i + ')">' + "Click here for directions" + '<\/a><br>';
       return marker;
     }

     // ===== request the directions =====
     function getDirections() {
       // ==== Set up the walk and avoid highways options ====
       var opts = {};
       if (document.getElementById("walk").checked) {
          opts.travelMode = G_TRAVEL_MODE_WALKING;
       }
       if (document.getElementById("highways").checked) {
          opts.avoidHighways = true;
       }
       // ==== set the start and end locations ====
       var saddr = document.getElementById("saddr").value
       var daddr = document.getElementById("daddr").value
       gdir.load("from: "+saddr+" to: "+daddr, opts);
       for(var i=0; i<gmarkers.length; i++){
       gmarkers[i].closeInfoWindow(htmls[i]);
}
     }


     // This function picks up the click and opens the corresponding info window
     function myclick(i) {
       gmarkers[i].openInfoWindowHtml(htmls[i]);
     }

     // functions that open the directions forms
     function tohere(i) {
       gmarkers[i].openInfoWindowHtml(to_htmls[i]);
     }
     function fromhere(i) {
       gmarkers[i].openInfoWindowHtml(from_htmls[i]);
     }


     // create the map
     var map = new GMap2(document.getElementById("mapHolder"));
     map.addControl(new GLargeMapControl());
     map.addControl(new GMapTypeControl());
     map.setCenter(new GLatLng(55.863765, -4.261767), 15);

     // === create a GDirections Object ===
     var gdir=new GDirections(map, document.getElementById("directions"));

     // === Array for decoding the failure codes ===
     var reasons=[];
     reasons[G_GEO_SUCCESS]            = "Success";
     reasons[G_GEO_MISSING_ADDRESS]    = "Missing Address: The address was either missing or had no value.";
     reasons[G_GEO_UNKNOWN_ADDRESS]    = "Unknown Address:  No corresponding geographic location could be found for the specified address.";
     reasons[G_GEO_UNAVAILABLE_ADDRESS]= "Unavailable Address:  The geocode for the given address cannot be returned due to legal or contractual reasons.";
     reasons[G_GEO_BAD_KEY]            = "Bad Key: The API key is either invalid or does not match the domain for which it was given";
     reasons[G_GEO_TOO_MANY_QUERIES]   = "Too Many Queries: The daily geocoding quota for this site has been exceeded.";
     reasons[G_GEO_SERVER_ERROR]       = "Server error: The geocoding request could not be successfully processed.";
     reasons[G_GEO_BAD_REQUEST]        = "A directions request could not be successfully parsed.";
     reasons[G_GEO_MISSING_QUERY]      = "No query was specified in the input.";
     reasons[G_GEO_UNKNOWN_DIRECTIONS] = "The GDirections object could not compute directions between the points.";

     // === catch Directions errors ===
     GEvent.addListener(gdir, "error", function() {
       var code = gdir.getStatus().code;
       var reason="Code "+code;
       if (reasons[code]) {
         reason = reasons[code]
       } 

       alert("Failed to obtain directions, "+reason);
     });



     // Read the data from example.xml
     var request = GXmlHttp.create();
     request.open("GET", "/xml/markers.xml", true);
     request.onreadystatechange = function() {
       if (request.readyState == 4) {
         var xmlDoc = GXml.parse(request.responseText);
         // obtain the array of markers and loop through it
         var markers = xmlDoc.documentElement.getElementsByTagName("marker");
         
         for (var i = 0; i < markers.length; i++) {
           // obtain the attribues of each marker
           var lat = parseFloat(markers[i].getAttribute("lat"));
           var lng = parseFloat(markers[i].getAttribute("lng"));
           var point = new GLatLng(lat,lng);
           var html = markers[i].getAttribute("html");
           var label = "Where The Monkey Sleeps";
           // create the marker
           var marker = createMarker(point,label,html);
           map.addOverlay(marker);
         }
         // put the assembled side_bar_html contents into the side_bar div
         document.getElementById("side_bar").innerHTML = side_bar_html;
       }
     }
     request.send(null);
   }

   else {
     alert("Sorry, the Google Maps API is not compatible with this browser");
   }


   //]]>