var vysilace = {};
var cityCircle = {};

function initialize() {
  var latlng = new google.maps.LatLng(50.123661,14.450111);
  var myOptions = {
    zoom: 8,
    center: latlng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  };
  var map = new google.maps.Map(document.getElementById("mapa"), myOptions);
  var georssLayer = new google.maps.KmlLayer('http://www.epraha8.net/public/wifi/praha8-2.kml', { clickable: false });
  georssLayer.setMap(map);

  /*
   * nakreslime kruhy a pripravime info okna
   */
  for (var vysilac in vysilace) {
    var options = {
      strokeColor: "#7dbc00",
      strokeOpacity: 0.8,
      strokeWeight: 1,
      fillColor: "#7dbc00",
      fillOpacity: 0.35,
      map: map,
      radius: 500,
      center: vysilace[vysilac].center,
      content: vysilace[vysilac].content
    };
    cityCircle[vysilac] = new google.maps.Circle(options);
    
    infoWindow = new google.maps.InfoWindow({
      content: 'nahrávám...'
    });

    google.maps.event.addListener(cityCircle[vysilac], 'click', function() {
      infoWindow.setContent( this.content );
      infoWindow.setPosition( this.center );
      infoWindow.open( map );
    });

  }



}