var startLat=51.3189280;
var startLng=9.4960100;

var iconBlue = new GIcon(); 
iconBlue.image = 'http://labs.google.com/ridefinder/images/mm_20_blue.png';
iconBlue.shadow = 'http://labs.google.com/ridefinder/images/mm_20_shadow.png';
iconBlue.iconSize = new GSize(12, 20);
iconBlue.shadowSize = new GSize(22, 20);
iconBlue.iconAnchor = new GPoint(6, 20);
iconBlue.infoWindowAnchor = new GPoint(5, 1);

var iconRed = new GIcon(); 
iconRed.image = 'http://labs.google.com/ridefinder/images/mm_20_red.png';
iconRed.shadow = 'http://labs.google.com/ridefinder/images/mm_20_shadow.png';
iconRed.iconSize = new GSize(12, 20);
iconRed.shadowSize = new GSize(22, 20);
iconRed.iconAnchor = new GPoint(6, 20);
iconRed.infoWindowAnchor = new GPoint(5, 1);

var customIcons = [];
customIcons["restaurant"] = iconBlue;
customIcons["bar"] = iconRed;

function load(lat,lng,BetriebsNr,Host) {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("map"));
    map.addControl(new GSmallMapControl());
    map.addControl(new GMapTypeControl());
    if (!lat){
      map.setCenter(new GLatLng(51.3189280,9.4960100), 8);
    }else{
      map.setCenter(new GLatLng(lat,lng));
      map.setZoom(12);
    }
      GDownloadUrl("http://"+Host+"/ajax/phpsqlajax_genxml2.php?BetriebsNr="+BetriebsNr, function(data) {
        var xml = GXml.parse(data);
        var markers = xml.documentElement.getElementsByTagName("marker");
        for (var i = 0; i < markers.length; i++) {
          var name = markers[i].getAttribute("name");
          var address = markers[i].getAttribute("address");
          var type = markers[i].getAttribute("type");
          var point = new GLatLng(parseFloat(markers[i].getAttribute("lat")),
                                  parseFloat(markers[i].getAttribute("lng")));
          var marker = createMarker(point, name, address, type);
          map.addOverlay(marker);
        }
      });
  }
}

function createMarker(point, name, address, type) {
  var marker = new GMarker(point, customIcons[type]);
  var html = "<b>" + name + "</b> <br/>" + address;
  GEvent.addListener(marker, 'click', function() {
    marker.openInfoWindowHtml(html);
  });
  return marker;
}

function neuesFenster(name,lat,lng,BetriebsNr,Host) {
  window.open("http://"+Host+"/googlePopUp.php?lat="+lat+"&lng="+lng+"&BetriebsNr="+BetriebsNr,"Anfahrt","width=800,height=600,resizable=0,scrollbars=0,menubar=0,toolbar=0,location=0,status=0" );
}