//<![CDATA[

    if (GBrowserIsCompatible()) {
      // this variable will collect the html which will eventually be placed in the side_bar
      var side_bar_html = "";
    
      // arrays to hold copies of the markers and html used by the side_bar
      // because the function closure trick doesnt work there
      var gmarkers = [];
      var htmls = [];
      var i = 0;
      // 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);

        // The info window version with the "Hasta" form open
        to_htmls[i] = html + 'Indicar origen del viaje:<form action="http://maps.google.com/maps" method="get" target="_blank">' +
           '<input type="text" SIZE=30 MAXLENGTH=40 name="saddr" id="saddr" value="" /><br>' +
           '<INPUT value="Calcular Ruta" TYPE="SUBMIT">' +
           '<input type="hidden" name="daddr" value="' + point.lat() + ',' + point.lng() + 
                  // "(" + name + ")" + 
           '"/>';
        
        // The inactive version of the direction info
        html = html + '<br/>Como llegar hasta aquí: <br/><a href="javascript:tohere('+i+')">Pinchar para calcular ruta </a> ';

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


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

      // functions that open the Ruta 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("map"));
	 
	  map.addControl(new GSmallMapControl());
      map.addControl(new GMapTypeControl());
	  //map.addControl(new GOverviewMapControl());
	  //map.addControl(new GScaleControl());
	  //map.addControl(new GHierarchicalMapTypeControl());
	  icon = new GIcon();
	  icon.image = "http://www.asturiasparaisorural.com/gmapico2.png";
	  icon.iconSize = new GSize(21, 34);
	  icon.iconAnchor = new GPoint(21, 34);
	  icon.infoWindowAnchor = new GPoint(10, 15);
				  
      map.setCenter(new GLatLng(43.40,-5.8333333),8);

      // Read the data from marcas.xml
      var request = GXmlHttp.create();
      request.open("GET", "http://www.asturiasparaisorural.com/google/marcas.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 = markers[i].getAttribute("label");
            // create the marker
            var marker = createMarker(point,label,html);
            map.addOverlay(marker);
			//map.addOverlay(new GMarker(map.getCenterLatLng(), icon));
          }
          // put the assembled side_bar_html contents into the side_bar div
         
        }
      }
      request.send(null);
    }

    else {
      alert("Lo sentimos, navegador no es compatible con Google Maps ");
    }

    // This Javascript is based on code provided by the
    // Blackpool Community Church Javascript Team
    // http://www.commchurch.freeserve.co.uk/   
    // http://econym.googlepages.com/index.htm

    //]]>