window.onload = onPageLoad;
window.onunload = "GUnload()";
function onPageLoad() {   

    if (GBrowserIsCompatible()) {
      var gmarkers = [];
      var htmls = [];
      var i = 0;
      
      // Create some custom icons
	  
      var paradisIcon = new GIcon();
      paradisIcon.image = "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/icon-paradis.png";
      paradisIcon.shadow = "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/icon-paradis-shadow.png";
      paradisIcon.iconSize = new GSize(32, 32);
      paradisIcon.shadowSize = new GSize(59, 32);
      paradisIcon.iconAnchor = new GPoint(5, 34);
      paradisIcon.infoWindowAnchor = new GPoint(20, 2);
      paradisIcon.infoShadowAnchor = new GPoint(14, 25);
      
      var churchIcon = new GIcon();
      churchIcon.image = "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/icon-church.png";
      churchIcon.shadow = "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/icon-church-shadow.png";
      churchIcon.iconSize = new GSize(32, 32);
      churchIcon.shadowSize = new GSize(59, 32);
      churchIcon.iconAnchor = new GPoint(5, 34);
      churchIcon.infoWindowAnchor = new GPoint(20, 2);
      churchIcon.infoShadowAnchor = new GPoint(14, 25);
	  
      var skiIcon = new GIcon();
      skiIcon.image = "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/icon-ski.png";
      skiIcon.shadow = "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/icon-ski-shadow.png";
      skiIcon.iconSize = new GSize(32, 32);
      skiIcon.shadowSize = new GSize(59, 32);
      skiIcon.iconAnchor = new GPoint(5, 34);
      skiIcon.infoWindowAnchor = new GPoint(20, 2);
      skiIcon.infoShadowAnchor = new GPoint(14, 25);
	  
      var snowIcon = new GIcon();
      snowIcon.image = "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/icon-snow.png";
      snowIcon.shadow = "http://www.skiparadis.com/wp-content/themes/skiwparadis.com/gmap/icon-snow-shadow.png";
      snowIcon.iconSize = new GSize(32, 32);
      snowIcon.shadowSize = new GSize(59, 32);
      snowIcon.iconAnchor = new GPoint(5, 34);
      snowIcon.infoWindowAnchor = new GPoint(20, 2);
      snowIcon.infoShadowAnchor = new GPoint(14, 25);
      
      // An array of GIcons, to make the selection easier
      var icons = [];
      icons[0] = paradisIcon;
      icons[1] = churchIcon;
      icons[2] = skiIcon;
      icons[3] = snowIcon;

      // the icon information is passed to this function
      function createMarker(point,name,html,icontype) {
        var marker = new GMarker(point,icons[icontype]);
        GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml(html);
        });
		
        return marker;
      }

      function myclick(i) {
        gmarkers[i].openInfoWindowHtml(htmls[i]);
      }

      var map = new GMap2(document.getElementById("google-map"));
      map.addControl(new GSmallMapControl());
      map.addControl(new GMapTypeControl());
      map.setCenter(new GLatLng(46.47562, 11.77374), 15);


      // Read the data from custom.xml
      var request = GXmlHttp.create();
      request.open("GET", "http://www.skiparadis.com/wp-content/themes/skiparadis.com/gmap/custom.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");
            var icontype = parseInt(markers[i].getAttribute("icontype"));
            // create the marker
            var marker = createMarker(point,label,html,icontype);
            map.addOverlay(marker);
          }
        }
      }
      request.send(null);
    }

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