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[2] = new google.maps.Marker({position: {lat: 50.99603960672507, lng: 9.269349575042725},map: map,icon: markerpic,title: ""});
 platzmarker[2].addListener("click", function() {gen_infowindow("2208","2")});
 platzmarker[9] = new google.maps.Marker({position: {lat: 47.95936004281732, lng: 7.951151132583618},map: map,icon: markerpic,title: ""});
 platzmarker[9].addListener("click", function() {gen_infowindow("1851","9")});
 platzmarker[10] = new google.maps.Marker({position: {lat: 53.32574, lng: 8.062922999999955},map: map,icon: markerpic,title: ""});
 platzmarker[10].addListener("click", function() {gen_infowindow("2179","10")});
 platzmarker[21] = new google.maps.Marker({position: {lat: 47.86128346755124, lng: 8.223900299999984},map: map,icon: markerpic,title: ""});
 platzmarker[21].addListener("click", function() {gen_infowindow("2992","21")});
 platzmarker[25] = new google.maps.Marker({position: {lat: 47.67649889000556, lng: 12.935757637023926},map: map,icon: markerpic,title: ""});
 platzmarker[25].addListener("click", function() {gen_infowindow("2201","25")});
 platzmarker[26] = new google.maps.Marker({position: {lat: 48.359043630560485, lng: 13.307383060455322},map: map,icon: markerpic,title: ""});
 platzmarker[26].addListener("click", function() {gen_infowindow("2298","26")});
 platzmarker[31] = new google.maps.Marker({position: {lat: 51.901406096382246, lng: 10.326894888360595},map: map,icon: markerpic,title: ""});
 platzmarker[31].addListener("click", function() {gen_infowindow("2975","31")});
 platzmarker[34] = new google.maps.Marker({position: {lat: 54.116201, lng: 13.846850000000018},map: map,icon: markerpic,title: ""});
 platzmarker[34].addListener("click", function() {gen_infowindow("2377","34")});
 platzmarker[40] = new google.maps.Marker({position: {lat: 50.86282558192903, lng: 8.62851619720459},map: map,icon: markerpic,title: ""});
 platzmarker[40].addListener("click", function() {gen_infowindow("2244","40")});
 platzmarker[42] = new google.maps.Marker({position: {lat: 54.40440706407451, lng: 11.178985834121704},map: map,icon: markerpic,title: ""});
 platzmarker[42].addListener("click", function() {gen_infowindow("1887","42")});
 platzmarker[49] = new google.maps.Marker({position: {lat: 50.685133, lng: 6.470260000000053},map: map,icon: markerpic,title: ""});
 platzmarker[49].addListener("click", function() {gen_infowindow("1893","49")});
 platzmarker[55] = new google.maps.Marker({position: {lat: 52.17151032074721, lng: 13.99259090423584},map: map,icon: markerpic,title: ""});
 platzmarker[55].addListener("click", function() {gen_infowindow("1877","55")});
 platzmarker[57] = new google.maps.Marker({position: {lat: 54.11313789670343, lng: 11.630809307098389},map: map,icon: markerpic,title: ""});
 platzmarker[57].addListener("click", function() {gen_infowindow("1870","57")});
 platzmarker[59] = new google.maps.Marker({position: {lat: 52.65233273411545, lng: 12.431373596191406},map: map,icon: markerpic,title: ""});
 platzmarker[59].addListener("click", function() {gen_infowindow("2251","59")});
 platzmarker[62] = new google.maps.Marker({position: {lat: 54.48769085175292, lng: 11.018085479736328},map: map,icon: markerpic,title: ""});
 platzmarker[62].addListener("click", function() {gen_infowindow("2255","62")});
 platzmarker[82] = new google.maps.Marker({position: {lat: 47.98138347165027, lng: 7.881338596343994},map: map,icon: markerpic,title: ""});
 platzmarker[82].addListener("click", function() {gen_infowindow("2264","82")});
 platzmarker[86] = new google.maps.Marker({position: {lat: 47.64714717654511, lng: 13.039140701293945},map: map,icon: markerpic,title: ""});
 platzmarker[86].addListener("click", function() {gen_infowindow("2346","86")});
 platzmarker[93] = new google.maps.Marker({position: {lat: 47.71472817672727, lng: 9.408888816833496},map: map,icon: markerpic,title: ""});
 platzmarker[93].addListener("click", function() {gen_infowindow("2306","93")});
 platzmarker[96] = new google.maps.Marker({position: {lat: 54.15124340741647, lng: 11.71944851422495},map: map,icon: markerpic,title: ""});
 platzmarker[96].addListener("click", function() {gen_infowindow("2330","96")});
 platzmarker[97] = new google.maps.Marker({position: {lat: 51.65980517179337, lng: 6.372692584991455},map: map,icon: markerpic,title: ""});
 platzmarker[97].addListener("click", function() {gen_infowindow("1037","97")});
 platzmarker[98] = new google.maps.Marker({position: {lat: 51.94657294931212, lng: 7.691481113433838},map: map,icon: markerpic,title: ""});
 platzmarker[98].addListener("click", function() {gen_infowindow("2090","98")});
 platzmarker[101] = new google.maps.Marker({position: {lat: 51.235011941306695, lng: 14.699599742889404},map: map,icon: markerpic,title: ""});
 platzmarker[101].addListener("click", function() {gen_infowindow("2012","101")});
 platzmarker[103] = new google.maps.Marker({position: {lat: 53.5927276822763, lng: 6.677509546279907},map: map,icon: markerpic,title: ""});
 platzmarker[103].addListener("click", function() {gen_infowindow("2163","103")});
 platzmarker[104] = new google.maps.Marker({position: {lat: 51.17362574268206, lng: 8.890117406845093},map: map,icon: markerpic,title: ""});
 platzmarker[104].addListener("click", function() {gen_infowindow("2320","104")});
 platzmarker[110] = new google.maps.Marker({position: {lat: 51.372688679567005, lng: 13.779856167524377},map: map,icon: markerpic,title: ""});
 platzmarker[110].addListener("click", function() {gen_infowindow("2935","110")});
 platzmarker[113] = new google.maps.Marker({position: {lat: 51.6864872413563, lng: 11.11141502460633},map: map,icon: markerpic,title: ""});
 platzmarker[113].addListener("click", function() {gen_infowindow("1995","113")});
 platzmarker[116] = new google.maps.Marker({position: {lat: 51.66914840783795, lng: 7.368135452270508},map: map,icon: markerpic,title: ""});
 platzmarker[116].addListener("click", function() {gen_infowindow("1999","116")});
 platzmarker[127] = new google.maps.Marker({position: {lat: 50.78039, lng: 7.798530000000028},map: map,icon: markerpic,title: ""});
 platzmarker[127].addListener("click", function() {gen_infowindow("1978","127")});
 platzmarker[128] = new google.maps.Marker({position: {lat: 53.306364866424765, lng: 13.00105333328247},map: map,icon: markerpic,title: ""});
 platzmarker[128].addListener("click", function() {gen_infowindow("1983","128")});
 platzmarker[131] = new google.maps.Marker({position: {lat: 49.52260824163036, lng: 10.12447605767214},map: map,icon: markerpic,title: ""});
 platzmarker[131].addListener("click", function() {gen_infowindow("2964","131")});
 platzmarker[140] = new google.maps.Marker({position: {lat: 50.8779784476158, lng: 14.672927856445312},map: map,icon: markerpic,title: ""});
 platzmarker[140].addListener("click", function() {gen_infowindow("2281","140")});
 platzmarker[143] = new google.maps.Marker({position: {lat: 52.359706583390654, lng: 13.00581693649292},map: map,icon: markerpic,title: ""});
 platzmarker[143].addListener("click", function() {gen_infowindow("1840","143")});
 platzmarker[144] = new google.maps.Marker({position: {lat: 54.531530398508984, lng: 10.000739563784805},map: map,icon: markerpic,title: ""});
 platzmarker[144].addListener("click", function() {gen_infowindow("1839","144")});
 platzmarker[148] = new google.maps.Marker({position: {lat: 54.26502356595628, lng: 11.077094078063965},map: map,icon: markerpic,title: ""});
 platzmarker[148].addListener("click", function() {gen_infowindow("1826","148")});
 platzmarker[149] = new google.maps.Marker({position: {lat: 49.958847514716254, lng: 6.4238691329956055},map: map,icon: markerpic,title: ""});
 platzmarker[149].addListener("click", function() {gen_infowindow("1792","149")});
 platzmarker[151] = new google.maps.Marker({position: {lat: 51.6782502205111, lng: 7.283012866973877},map: map,icon: markerpic,title: ""});
 platzmarker[151].addListener("click", function() {gen_infowindow("1806","151")});
 platzmarker[152] = new google.maps.Marker({position: {lat: 54.75793313848829, lng: 9.880287291015634},map: map,icon: markerpic,title: ""});
 platzmarker[152].addListener("click", function() {gen_infowindow("2361","152")});
 platzmarker[154] = new google.maps.Marker({position: {lat: 51.87127842023198, lng: 8.672249150000008},map: map,icon: markerpic,title: ""});
 platzmarker[154].addListener("click", function() {gen_infowindow("2987","154")});
 platzmarker[158] = new google.maps.Marker({position: {lat: 52.93166762625555, lng: 9.96497583593748},map: map,icon: markerpic,title: ""});
 platzmarker[158].addListener("click", function() {gen_infowindow("2391","158")});
 platzmarker[163] = new google.maps.Marker({position: {lat: 47.842121161269915, lng: 8.936594724655151},map: map,icon: markerpic,title: ""});
 platzmarker[163].addListener("click", function() {gen_infowindow("2400","163")});
 platzmarker[167] = new google.maps.Marker({position: {lat: 47.809227668524144, lng: 8.969693183898926},map: map,icon: markerpic,title: ""});
 platzmarker[167].addListener("click", function() {gen_infowindow("2394","167")});
 platzmarker[169] = new google.maps.Marker({position: {lat: 47.79655164755936, lng: 7.548980712890625},map: map,icon: markerpic,title: ""});
 platzmarker[169].addListener("click", function() {gen_infowindow("2408","169")});
 platzmarker[171] = new google.maps.Marker({position: {lat: 53.71332031361948, lng: 11.809272766113281},map: map,icon: markerpic,title: ""});
 platzmarker[171].addListener("click", function() {gen_infowindow("2411","171")});
 platzmarker[173] = new google.maps.Marker({position: {lat: 51.78513919625788, lng: 6.634454727172852},map: map,icon: markerpic,title: ""});
 platzmarker[173].addListener("click", function() {gen_infowindow("2413","173")});
 platzmarker[179] = new google.maps.Marker({position: {lat: 52.93393192090926, lng: 8.403942664418082},map: map,icon: markerpic,title: ""});
 platzmarker[179].addListener("click", function() {gen_infowindow("2938","179")});
 platzmarker[180] = new google.maps.Marker({position: {lat: 52.43361815585654, lng: 13.769302368164062},map: map,icon: markerpic,title: ""});
 platzmarker[180].addListener("click", function() {gen_infowindow("2433","180")});
 platzmarker[181] = new google.maps.Marker({position: {lat: 49.18920754058869, lng: 11.124393322753917},map: map,icon: markerpic,title: ""});
 platzmarker[181].addListener("click", function() {gen_infowindow("2522","181")});
 platzmarker[182] = new google.maps.Marker({position: {lat: 54.0333846975222, lng: 14.040699005126953},map: map,icon: markerpic,title: ""});
 platzmarker[182].addListener("click", function() {gen_infowindow("2439","182")});
 platzmarker[184] = new google.maps.Marker({position: {lat: 48.41786573915844, lng: 13.127857446670532},map: map,icon: markerpic,title: ""});
 platzmarker[184].addListener("click", function() {gen_infowindow("2442","184")});
 platzmarker[187] = new google.maps.Marker({position: {lat: 47.82179974391735, lng: 8.162670135498047},map: map,icon: markerpic,title: ""});
 platzmarker[187].addListener("click", function() {gen_infowindow("2451","187")});
 platzmarker[189] = new google.maps.Marker({position: {lat: 48.43532, lng: 13.10916999999995},map: map,icon: markerpic,title: ""});
 platzmarker[189].addListener("click", function() {gen_infowindow("2454","189")});
 platzmarker[196] = new google.maps.Marker({position: {lat: 51.825646449714824, lng: 14.138975143432617},map: map,icon: markerpic,title: ""});
 platzmarker[196].addListener("click", function() {gen_infowindow("2470","196")});
 platzmarker[199] = new google.maps.Marker({position: {lat: 53.48794116269024, lng: 13.09341827695198},map: map,icon: markerpic,title: ""});
 platzmarker[199].addListener("click", function() {gen_infowindow("2940","199")});
 platzmarker[200] = new google.maps.Marker({position: {lat: 50.81434126647787, lng: 9.517979621887207},map: map,icon: markerpic,title: ""});
 platzmarker[200].addListener("click", function() {gen_infowindow("2479","200")});
 platzmarker[207] = new google.maps.Marker({position: {lat: 51.49549222130398, lng: 11.68421745300293},map: map,icon: markerpic,title: ""});
 platzmarker[207].addListener("click", function() {gen_infowindow("2495","207")});
 platzmarker[212] = new google.maps.Marker({position: {lat: 49.217351826393724, lng: 11.668928861618042},map: map,icon: markerpic,title: ""});
 platzmarker[212].addListener("click", function() {gen_infowindow("2504","212")});
 platzmarker[213] = new google.maps.Marker({position: {lat: 48.42035273678098, lng: 13.192447562552616},map: map,icon: markerpic,title: ""});
 platzmarker[213].addListener("click", function() {gen_infowindow("2509","213")});
 platzmarker[215] = new google.maps.Marker({position: {lat: 51.61813344941726, lng: 12.339242677365062},map: map,icon: markerpic,title: ""});
 platzmarker[215].addListener("click", function() {gen_infowindow("2937","215")});
 platzmarker[218] = new google.maps.Marker({position: {lat: 51.7619707504521, lng: 8.691305529470984},map: map,icon: markerpic,title: ""});
 platzmarker[218].addListener("click", function() {gen_infowindow("2523","218")});
 platzmarker[229] = new google.maps.Marker({position: {lat: 50.82448563183537, lng: 10.608915056622322},map: map,icon: markerpic,title: ""});
 platzmarker[229].addListener("click", function() {gen_infowindow("2565","229")});
 platzmarker[230] = new google.maps.Marker({position: {lat: 49.81202001879978, lng: 6.43137999999999},map: map,icon: markerpic,title: ""});
 platzmarker[230].addListener("click", function() {gen_infowindow("2566","230")});
 platzmarker[236] = new google.maps.Marker({position: {lat: 52.18664572046292, lng: 9.059702599999975},map: map,icon: markerpic,title: ""});
 platzmarker[236].addListener("click", function() {gen_infowindow("2575","236")});
 platzmarker[237] = new google.maps.Marker({position: {lat: 53.08274911161188, lng: 9.176580983328222},map: map,icon: markerpic,title: ""});
 platzmarker[237].addListener("click", function() {gen_infowindow("2576","237")});
 platzmarker[240] = new google.maps.Marker({position: {lat: 51.687725086884384, lng: 12.799893250787363},map: map,icon: markerpic,title: ""});
 platzmarker[240].addListener("click", function() {gen_infowindow("2579","240")});
 platzmarker[249] = new google.maps.Marker({position: {lat: 54.08254014990279, lng: 13.899351592973503},map: map,icon: markerpic,title: ""});
 platzmarker[249].addListener("click", function() {gen_infowindow("2600","249")});
 platzmarker[250] = new google.maps.Marker({position: {lat: 51.36424211092921, lng: 8.72732742620235},map: map,icon: markerpic,title: ""});
 platzmarker[250].addListener("click", function() {gen_infowindow("2617","250")});
 platzmarker[254] = new google.maps.Marker({position: {lat: 53.02413718767446, lng: 9.859425144982879},map: map,icon: markerpic,title: ""});
 platzmarker[254].addListener("click", function() {gen_infowindow("2636","254")});
 platzmarker[260] = new google.maps.Marker({position: {lat: 49.11703549891621, lng: 9.383536616428412},map: map,icon: markerpic,title: ""});
 platzmarker[260].addListener("click", function() {gen_infowindow("2988","260")});
 platzmarker[264] = new google.maps.Marker({position: {lat: 53.048024643467, lng: 8.463270960296654},map: map,icon: markerpic,title: ""});
 platzmarker[264].addListener("click", function() {gen_infowindow("2846","264")});
 platzmarker[267] = new google.maps.Marker({position: {lat: 51.49853674630145, lng: 13.985073639440884},map: map,icon: markerpic,title: ""});
 platzmarker[267].addListener("click", function() {gen_infowindow("2856","267")});
 platzmarker[268] = new google.maps.Marker({position: {lat: 51.49018001995724, lng: 14.036590000000047},map: map,icon: markerpic,title: ""});
 platzmarker[268].addListener("click", function() {gen_infowindow("2857","268")});
 platzmarker[269] = new google.maps.Marker({position: {lat: 54.41409965149986, lng: 10.24827503044969},map: map,icon: markerpic,title: ""});
 platzmarker[269].addListener("click", function() {gen_infowindow("2859","269")});
 platzmarker[270] = new google.maps.Marker({position: {lat: 47.62486002103011, lng: 7.66141612963861},map: map,icon: markerpic,title: ""});
 platzmarker[270].addListener("click", function() {gen_infowindow("2862","270")});
 platzmarker[275] = new google.maps.Marker({position: {lat: 53.9468581454243, lng: 13.857116057373124},map: map,icon: markerpic,title: ""});
 platzmarker[275].addListener("click", function() {gen_infowindow("2867","275")});
 platzmarker[276] = new google.maps.Marker({position: {lat: 47.60987421739717, lng: 10.446952199999942},map: map,icon: markerpic,title: ""});
 platzmarker[276].addListener("click", function() {gen_infowindow("2895","276")});
 platzmarker[278] = new google.maps.Marker({position: {lat: 49.97071239788303, lng: 12.444762793194514},map: map,icon: markerpic,title: ""});
 platzmarker[278].addListener("click", function() {gen_infowindow("2902","278")});
 platzmarker[279] = new google.maps.Marker({position: {lat: 50.82799521645138, lng: 10.649408652282792},map: map,icon: markerpic,title: ""});
 platzmarker[279].addListener("click", function() {gen_infowindow("2907","279")});
 platzmarker[280] = new google.maps.Marker({position: {lat: 49.275811341692176, lng: 7.722954577070595},map: map,icon: markerpic,title: ""});
 platzmarker[280].addListener("click", function() {gen_infowindow("2911","280")});
 platzmarker[284] = new google.maps.Marker({position: {lat: 54.40470390006677, lng: 11.140135999011251},map: map,icon: markerpic,title: ""});
 platzmarker[284].addListener("click", function() {gen_infowindow("2981","284")});
 platzmarker[286] = new google.maps.Marker({position: {lat: 52.36451742059459, lng: 13.375475999999988},map: map,icon: markerpic,title: ""});
 platzmarker[286].addListener("click", function() {gen_infowindow("2998","286")});
 platzmarker[287] = new google.maps.Marker({position: {lat: 50.70095049760948, lng: 13.355603569311532},map: map,icon: markerpic,title: ""});
 platzmarker[287].addListener("click", function() {gen_infowindow("3002","287")});
}
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()