var map = null;
var geocoder = null;
var xmlhttp = null;
if (window.XMLHttpRequest) {
  xmlhttp = new XMLHttpRequest();
} else if (window.ActiveXObject) {
  xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}


function load(e) 
    {
      if (GBrowserIsCompatible()) 
      {
        map = new GMap2(document.getElementById("map"));
        geocoder = new GClientGeocoder();  
        placeMarkers();
        geocoder.getLatLng("Paris", function(point){map.setCenter(point, 13)}); 
      }
    }
    
    function placeInXmlFile(point)
    {
                   var xml = null;
      if (window.ActiveXObject)
      {
            xml = new ActiveXObject("Microsoft.XMLDOM");
            xml.async = false;
            xml.load("data.xml");               
      }
      else
      {     
            xml = document.implementation.createDocument("","", null);
            xml.async = false;
            xml.load("data.xml");
      }
      var newmarker =  xml.getElementsByTagName("markers")[0]; 
      newtag = xml.createElement("marker");
      newmarker.appendChild(newtag);
      
      newtag.setAttribute("lat", point.y);
      newtag.setAttribute("lng", point.x); 
      newtag.setAttribute("address", address.value); 
      
     xmlhttp.abort();
     var xmlToSave = xml.xml || (new XMLSerializer().serializeToString(xml));
     var xmlcode = encodeURIComponent(xmlToSave);
     alert("yes3");
     var url = "Save.aspx?xml=" + xmlcode;
     xmlhttp.open("GET", url, true);
     xmlhttp.setRequestHeader("Content-Type", "text/xml" );
     xmlhttp.send(null);

     
 }

function placeMarkers(address, e)
{
  GDownloadUrl("data.xml", function(data, responseCode) {
  var xml = GXml.parse(data);
  var markers = xml.documentElement.getElementsByTagName("marker");
  for (var i = 0; i < markers.length; i++) {
   
    point2 = new GLatLng(parseFloat(markers[i].getAttribute("lat")),
                            parseFloat(markers[i].getAttribute("lng")));
                            map.setCenter(point2, 13);
    marker2 = new GMarker(point2);
    map.addOverlay(marker2);
    attr = markers[i].getAttribute("address");
    aurl = "http://www.flickr.com/photos/"+ markers[i].getAttribute("user_id") +"/" + markers[i].getAttribute("photo_id");
    imageurl = "http://static.flickr.com/" + markers[i].getAttribute("server")+ "/" + markers[i].getAttribute("photo_id") +"_" + markers[i].getAttribute("secret") + "_s.jpg";
    
      GEvent.addListener(marker2, "click", (function(marker, pAurl, pAttr, pImageurl) {
        return function() {  marker.openInfoWindowHtml("<a href='" + pAurl +"/'><img alt='" + pAttr + "' src= '" + pImageurl +"'/></a>&nbsp;<span>" + pAttr + "</span>",new GSize(200,200));    }
      })(marker2, aurl, attr, imageurl));  

  }
});
}