var startlat=51.365691;
var startlng=10.451526;
var startzoom=5;
var map;

var platzmarker=new Array();
var infowindow;
var contentString="";
var markerpic;
var marker=new Array();
function initMap() {
    map = new google.maps.Map(document.getElementById('map'), {
          center: {lat: startlat, lng: startlng},
          zoom: startzoom,
          minZoom:5,
          maxZoom:16,
    });
    markerpic = new google.maps.MarkerImage('/pics/platzneu.png',
          new google.maps.Size(25, 25),
          new google.maps.Point(0,0),
          new google.maps.Point(12,12)
    );
    marker[5]= new google.maps.MarkerImage('/pics/marker9.png', new google.maps.Size( 9, 9),new google.maps.Point(0,0),new google.maps.Point( 9, 9));
    marker[6]= new google.maps.MarkerImage('/pics/marker9.png', new google.maps.Size( 9, 9),new google.maps.Point(0,0),new google.maps.Point( 9, 9));
    marker[7]= new google.maps.MarkerImage('/pics/marker11.png',new google.maps.Size(11,11),new google.maps.Point(0,0),new google.maps.Point(11,11));
    marker[8]= new google.maps.MarkerImage('/pics/marker11.png',new google.maps.Size(11,11),new google.maps.Point(0,0),new google.maps.Point(11,11));
    marker[9]= new google.maps.MarkerImage('/pics/marker13.png',new google.maps.Size(13,13),new google.maps.Point(0,0),new google.maps.Point(13,13));
    marker[10]=new google.maps.MarkerImage('/pics/marker13.png',new google.maps.Size(13,13),new google.maps.Point(0,0),new google.maps.Point(13,13));
    marker[11]=new google.maps.MarkerImage('/pics/marker15.png',new google.maps.Size(15,15),new google.maps.Point(0,0),new google.maps.Point(15,15));
    marker[12]=new google.maps.MarkerImage('/pics/marker15.png',new google.maps.Size(15,15),new google.maps.Point(0,0),new google.maps.Point(15,15));
    marker[13]=new google.maps.MarkerImage('/pics/marker17.png',new google.maps.Size(17,17),new google.maps.Point(0,0),new google.maps.Point(17,17));
    marker[14]=new google.maps.MarkerImage('/pics/marker17.png',new google.maps.Size(17,17),new google.maps.Point(0,0),new google.maps.Point(17,17));
    marker[15]=new google.maps.MarkerImage('/pics/marker19.png',new google.maps.Size(19,19),new google.maps.Point(0,0),new google.maps.Point(19,19));
    marker[16]=new google.maps.MarkerImage('/pics/marker19.png',new google.maps.Size(19,19),new google.maps.Point(0,0),new google.maps.Point(19,19));
    
    infowindow = new google.maps.InfoWindow({content: ''});
    google.maps.event.addListener(map, 'dragend', ladeplaetze);
    google.maps.event.addListener(map, 'zoom_changed', ladeplaetze);
    ladeplaetze();
}
function ladeplaetze() {
 var zoom=map.getZoom();
 if (zoom<5 || zoom>16) {return;}
 markerpic=marker[zoom];
 clearmarker();
 platzmarker[27] = new google.maps.Marker({position: {lat: 48.359043630560485, lng: 13.307383060455322},map: map,icon: markerpic,title: ""});
 platzmarker[27].addListener("click", function() {gen_infowindow("2298","27")});
 platzmarker[35] = new google.maps.Marker({position: {lat: 54.116201, lng: 13.846850000000018},map: map,icon: markerpic,title: ""});
 platzmarker[35].addListener("click", function() {gen_infowindow("2377","35")});
 platzmarker[43] = new google.maps.Marker({position: {lat: 54.40440706407451, lng: 11.178985834121704},map: map,icon: markerpic,title: ""});
 platzmarker[43].addListener("click", function() {gen_infowindow("1887","43")});
 platzmarker[58] = new google.maps.Marker({position: {lat: 54.2428568970338, lng: 11.079923056822735},map: map,icon: markerpic,title: ""});
 platzmarker[58].addListener("click", function() {gen_infowindow("2297","58")});
 platzmarker[59] = new google.maps.Marker({position: {lat: 54.11313789670343, lng: 11.630809307098389},map: map,icon: markerpic,title: ""});
 platzmarker[59].addListener("click", function() {gen_infowindow("1870","59")});
 platzmarker[61] = new google.maps.Marker({position: {lat: 52.65233273411545, lng: 12.431373596191406},map: map,icon: markerpic,title: ""});
 platzmarker[61].addListener("click", function() {gen_infowindow("2251","61")});
 platzmarker[64] = new google.maps.Marker({position: {lat: 54.48769085175292, lng: 11.018085479736328},map: map,icon: markerpic,title: ""});
 platzmarker[64].addListener("click", function() {gen_infowindow("2255","64")});
 platzmarker[95] = new google.maps.Marker({position: {lat: 47.71472817672727, lng: 9.408888816833496},map: map,icon: markerpic,title: ""});
 platzmarker[95].addListener("click", function() {gen_infowindow("2306","95")});
 platzmarker[98] = new google.maps.Marker({position: {lat: 54.15124340741647, lng: 11.71944851422495},map: map,icon: markerpic,title: ""});
 platzmarker[98].addListener("click", function() {gen_infowindow("2330","98")});
 platzmarker[99] = new google.maps.Marker({position: {lat: 51.65980517179337, lng: 6.372692584991455},map: map,icon: markerpic,title: ""});
 platzmarker[99].addListener("click", function() {gen_infowindow("1037","99")});
 platzmarker[101] = new google.maps.Marker({position: {lat: 53.000807, lng: 9.835423999999989},map: map,icon: markerpic,title: ""});
 platzmarker[101].addListener("click", function() {gen_infowindow("2274","101")});
 platzmarker[104] = new google.maps.Marker({position: {lat: 53.37287702017618, lng: 12.76261568069458},map: map,icon: markerpic,title: ""});
 platzmarker[104].addListener("click", function() {gen_infowindow("2023","104")});
 platzmarker[112] = new google.maps.Marker({position: {lat: 51.372688679567005, lng: 13.779856167524377},map: map,icon: markerpic,title: ""});
 platzmarker[112].addListener("click", function() {gen_infowindow("2935","112")});
 platzmarker[130] = new google.maps.Marker({position: {lat: 51.68681, lng: 7.267248},map: map,icon: markerpic,title: ""});
 platzmarker[130].addListener("click", function() {gen_infowindow("2353","130")});
 platzmarker[132] = new google.maps.Marker({position: {lat: 53.306364866424765, lng: 13.00105333328247},map: map,icon: markerpic,title: ""});
 platzmarker[132].addListener("click", function() {gen_infowindow("1983","132")});
 platzmarker[140] = new google.maps.Marker({position: {lat: 53.66895164549257, lng: 7.9152097981242475},map: map,icon: markerpic,title: ""});
 platzmarker[140].addListener("click", function() {gen_infowindow("3004","140")});
 platzmarker[144] = new google.maps.Marker({position: {lat: 50.8779784476158, lng: 14.672927856445312},map: map,icon: markerpic,title: ""});
 platzmarker[144].addListener("click", function() {gen_infowindow("2281","144")});
 platzmarker[147] = new google.maps.Marker({position: {lat: 52.359706583390654, lng: 13.00581693649292},map: map,icon: markerpic,title: ""});
 platzmarker[147].addListener("click", function() {gen_infowindow("1840","147")});
 platzmarker[148] = new google.maps.Marker({position: {lat: 54.531530398508984, lng: 10.000739563784805},map: map,icon: markerpic,title: ""});
 platzmarker[148].addListener("click", function() {gen_infowindow("1839","148")});
 platzmarker[152] = new google.maps.Marker({position: {lat: 54.26502356595628, lng: 11.077094078063965},map: map,icon: markerpic,title: ""});
 platzmarker[152].addListener("click", function() {gen_infowindow("1826","152")});
 platzmarker[155] = new google.maps.Marker({position: {lat: 51.6782502205111, lng: 7.283012866973877},map: map,icon: markerpic,title: ""});
 platzmarker[155].addListener("click", function() {gen_infowindow("1806","155")});
 platzmarker[160] = new google.maps.Marker({position: {lat: 53.283997907856865, lng: 13.431129455566406},map: map,icon: markerpic,title: ""});
 platzmarker[160].addListener("click", function() {gen_infowindow("2373","160")});
 platzmarker[175] = new google.maps.Marker({position: {lat: 47.79655164755936, lng: 7.548980712890625},map: map,icon: markerpic,title: ""});
 platzmarker[175].addListener("click", function() {gen_infowindow("2408","175")});
 platzmarker[188] = new google.maps.Marker({position: {lat: 54.0333846975222, lng: 14.040699005126953},map: map,icon: markerpic,title: ""});
 platzmarker[188].addListener("click", function() {gen_infowindow("2439","188")});
 platzmarker[190] = new google.maps.Marker({position: {lat: 48.41786573915844, lng: 13.127857446670532},map: map,icon: markerpic,title: ""});
 platzmarker[190].addListener("click", function() {gen_infowindow("2442","190")});
 platzmarker[202] = new google.maps.Marker({position: {lat: 51.825646449714824, lng: 14.138975143432617},map: map,icon: markerpic,title: ""});
 platzmarker[202].addListener("click", function() {gen_infowindow("2470","202")});
 platzmarker[219] = new google.maps.Marker({position: {lat: 48.42035273678098, lng: 13.192447562552616},map: map,icon: markerpic,title: ""});
 platzmarker[219].addListener("click", function() {gen_infowindow("2509","219")});
 platzmarker[238] = new google.maps.Marker({position: {lat: 47.47731893121011, lng: 11.052930838098177},map: map,icon: markerpic,title: ""});
 platzmarker[238].addListener("click", function() {gen_infowindow("2570","238")});
 platzmarker[240] = new google.maps.Marker({position: {lat: 54.6095400223536, lng: 13.379459999999995},map: map,icon: markerpic,title: ""});
 platzmarker[240].addListener("click", function() {gen_infowindow("2573","240")});
 platzmarker[242] = new google.maps.Marker({position: {lat: 52.18664572046292, lng: 9.059702599999975},map: map,icon: markerpic,title: ""});
 platzmarker[242].addListener("click", function() {gen_infowindow("2575","242")});
 platzmarker[246] = new google.maps.Marker({position: {lat: 51.687725086884384, lng: 12.799893250787363},map: map,icon: markerpic,title: ""});
 platzmarker[246].addListener("click", function() {gen_infowindow("2579","246")});
 platzmarker[289] = new google.maps.Marker({position: {lat: 54.40470390006677, lng: 11.140135999011251},map: map,icon: markerpic,title: ""});
 platzmarker[289].addListener("click", function() {gen_infowindow("2981","289")});
}
function clearmarker() {
 for (i=0; i<platzmarker.length; i++) {
  if (platzmarker[i]) {
   platzmarker[i].setMap(null);
  }
 }
 platzmarker=new Array();
}
function gen_infowindow(campid,nr) {
 infowindow.setContent(campid);
 infowindow.open(map, platzmarker[nr]);
 var request = $.ajax({
  method: "GET",
  url: "platzinfo.html.php?c="+campid,
  dataType: "html"
 });

 request.done(function( msg ) {
   infowindow.setContent(msg);
   infowindow.open(map, platzmarker[nr]);  
 });
 
 request.fail(function( jqXHR, textStatus ) {
  alert( "Request failed: " + textStatus );
   infowindow.setContent("Fehler: "+textStatus);
   infowindow.open(map, platzmarker[nr]);
 }); 
 
}
//initMap()