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[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[32] = new google.maps.Marker({position: {lat: 51.901406096382246, lng: 10.326894888360595},map: map,icon: markerpic,title: ""});
 platzmarker[32].addListener("click", function() {gen_infowindow("2975","32")});
 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[41] = new google.maps.Marker({position: {lat: 50.86282558192903, lng: 8.62851619720459},map: map,icon: markerpic,title: ""});
 platzmarker[41].addListener("click", function() {gen_infowindow("2244","41")});
 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[51] = new google.maps.Marker({position: {lat: 50.685133, lng: 6.470260000000053},map: map,icon: markerpic,title: ""});
 platzmarker[51].addListener("click", function() {gen_infowindow("1893","51")});
 platzmarker[57] = new google.maps.Marker({position: {lat: 52.17151032074721, lng: 13.99259090423584},map: map,icon: markerpic,title: ""});
 platzmarker[57].addListener("click", function() {gen_infowindow("1877","57")});
 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[84] = new google.maps.Marker({position: {lat: 47.98138347165027, lng: 7.881338596343994},map: map,icon: markerpic,title: ""});
 platzmarker[84].addListener("click", function() {gen_infowindow("2264","84")});
 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[105] = new google.maps.Marker({position: {lat: 53.5927276822763, lng: 6.677509546279907},map: map,icon: markerpic,title: ""});
 platzmarker[105].addListener("click", function() {gen_infowindow("2163","105")});
 platzmarker[107] = new google.maps.Marker({position: {lat: 50.89409001953657, lng: 14.771669999999972},map: map,icon: markerpic,title: ""});
 platzmarker[107].addListener("click", function() {gen_infowindow("2016","107")});
 platzmarker[111] = new google.maps.Marker({position: {lat: 51.372688679567005, lng: 13.779856167524377},map: map,icon: markerpic,title: ""});
 platzmarker[111].addListener("click", function() {gen_infowindow("2935","111")});
 platzmarker[115] = new google.maps.Marker({position: {lat: 51.6864872413563, lng: 11.11141502460633},map: map,icon: markerpic,title: ""});
 platzmarker[115].addListener("click", function() {gen_infowindow("1995","115")});
 platzmarker[119] = new google.maps.Marker({position: {lat: 51.66914840783795, lng: 7.368135452270508},map: map,icon: markerpic,title: ""});
 platzmarker[119].addListener("click", function() {gen_infowindow("1999","119")});
 platzmarker[130] = new google.maps.Marker({position: {lat: 50.78039, lng: 7.798530000000028},map: map,icon: markerpic,title: ""});
 platzmarker[130].addListener("click", function() {gen_infowindow("1978","130")});
 platzmarker[131] = new google.maps.Marker({position: {lat: 53.306364866424765, lng: 13.00105333328247},map: map,icon: markerpic,title: ""});
 platzmarker[131].addListener("click", function() {gen_infowindow("1983","131")});
 platzmarker[134] = new google.maps.Marker({position: {lat: 49.52260824163036, lng: 10.12447605767214},map: map,icon: markerpic,title: ""});
 platzmarker[134].addListener("click", function() {gen_infowindow("2964","134")});
 platzmarker[140] = new google.maps.Marker({position: {lat: 53.424764954404104, lng: 10.294875549598714},map: map,icon: markerpic,title: ""});
 platzmarker[140].addListener("click", function() {gen_infowindow("2385","140")});
 platzmarker[141] = new google.maps.Marker({position: {lat: 51.94209558149765, lng: 9.510555267333984},map: map,icon: markerpic,title: ""});
 platzmarker[141].addListener("click", function() {gen_infowindow("2384","141")});
 platzmarker[143] = new google.maps.Marker({position: {lat: 50.8779784476158, lng: 14.672927856445312},map: map,icon: markerpic,title: ""});
 platzmarker[143].addListener("click", function() {gen_infowindow("2281","143")});
 platzmarker[146] = new google.maps.Marker({position: {lat: 52.359706583390654, lng: 13.00581693649292},map: map,icon: markerpic,title: ""});
 platzmarker[146].addListener("click", function() {gen_infowindow("1840","146")});
 platzmarker[147] = new google.maps.Marker({position: {lat: 54.531530398508984, lng: 10.000739563784805},map: map,icon: markerpic,title: ""});
 platzmarker[147].addListener("click", function() {gen_infowindow("1839","147")});
 platzmarker[151] = new google.maps.Marker({position: {lat: 54.26502356595628, lng: 11.077094078063965},map: map,icon: markerpic,title: ""});
 platzmarker[151].addListener("click", function() {gen_infowindow("1826","151")});
 platzmarker[152] = new google.maps.Marker({position: {lat: 49.958847514716254, lng: 6.4238691329956055},map: map,icon: markerpic,title: ""});
 platzmarker[152].addListener("click", function() {gen_infowindow("1792","152")});
 platzmarker[154] = new google.maps.Marker({position: {lat: 51.6782502205111, lng: 7.283012866973877},map: map,icon: markerpic,title: ""});
 platzmarker[154].addListener("click", function() {gen_infowindow("1806","154")});
 platzmarker[155] = new google.maps.Marker({position: {lat: 52.91863889022924, lng: 10.127731561660767},map: map,icon: markerpic,title: ""});
 platzmarker[155].addListener("click", function() {gen_infowindow("2360","155")});
 platzmarker[156] = new google.maps.Marker({position: {lat: 54.75793313848829, lng: 9.880287291015634},map: map,icon: markerpic,title: ""});
 platzmarker[156].addListener("click", function() {gen_infowindow("2361","156")});
 platzmarker[158] = new google.maps.Marker({position: {lat: 51.87127842023198, lng: 8.672249150000008},map: map,icon: markerpic,title: ""});
 platzmarker[158].addListener("click", function() {gen_infowindow("2987","158")});
 platzmarker[162] = new google.maps.Marker({position: {lat: 52.93166762625555, lng: 9.96497583593748},map: map,icon: markerpic,title: ""});
 platzmarker[162].addListener("click", function() {gen_infowindow("2391","162")});
 platzmarker[168] = new google.maps.Marker({position: {lat: 47.842121161269915, lng: 8.936594724655151},map: map,icon: markerpic,title: ""});
 platzmarker[168].addListener("click", function() {gen_infowindow("2400","168")});
 platzmarker[173] = new google.maps.Marker({position: {lat: 47.809227668524144, lng: 8.969693183898926},map: map,icon: markerpic,title: ""});
 platzmarker[173].addListener("click", function() {gen_infowindow("2394","173")});
 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[177] = new google.maps.Marker({position: {lat: 53.71332031361948, lng: 11.809272766113281},map: map,icon: markerpic,title: ""});
 platzmarker[177].addListener("click", function() {gen_infowindow("2411","177")});
 platzmarker[179] = new google.maps.Marker({position: {lat: 51.78513919625788, lng: 6.634454727172852},map: map,icon: markerpic,title: ""});
 platzmarker[179].addListener("click", function() {gen_infowindow("2413","179")});
 platzmarker[185] = new google.maps.Marker({position: {lat: 52.93393192090926, lng: 8.403942664418082},map: map,icon: markerpic,title: ""});
 platzmarker[185].addListener("click", function() {gen_infowindow("2938","185")});
 platzmarker[186] = new google.maps.Marker({position: {lat: 52.43361815585654, lng: 13.769302368164062},map: map,icon: markerpic,title: ""});
 platzmarker[186].addListener("click", function() {gen_infowindow("2433","186")});
 platzmarker[187] = new google.maps.Marker({position: {lat: 49.18920754058869, lng: 11.124393322753917},map: map,icon: markerpic,title: ""});
 platzmarker[187].addListener("click", function() {gen_infowindow("2522","187")});
 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[193] = new google.maps.Marker({position: {lat: 47.82179974391735, lng: 8.162670135498047},map: map,icon: markerpic,title: ""});
 platzmarker[193].addListener("click", function() {gen_infowindow("2451","193")});
 platzmarker[195] = new google.maps.Marker({position: {lat: 48.43532, lng: 13.10916999999995},map: map,icon: markerpic,title: ""});
 platzmarker[195].addListener("click", function() {gen_infowindow("2454","195")});
 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[205] = new google.maps.Marker({position: {lat: 53.48794116269024, lng: 13.09341827695198},map: map,icon: markerpic,title: ""});
 platzmarker[205].addListener("click", function() {gen_infowindow("2940","205")});
 platzmarker[206] = new google.maps.Marker({position: {lat: 50.81434126647787, lng: 9.517979621887207},map: map,icon: markerpic,title: ""});
 platzmarker[206].addListener("click", function() {gen_infowindow("2479","206")});
 platzmarker[214] = new google.maps.Marker({position: {lat: 51.49549222130398, lng: 11.68421745300293},map: map,icon: markerpic,title: ""});
 platzmarker[214].addListener("click", function() {gen_infowindow("2495","214")});
 platzmarker[219] = new google.maps.Marker({position: {lat: 49.217351826393724, lng: 11.668928861618042},map: map,icon: markerpic,title: ""});
 platzmarker[219].addListener("click", function() {gen_infowindow("2504","219")});
 platzmarker[220] = new google.maps.Marker({position: {lat: 48.42035273678098, lng: 13.192447562552616},map: map,icon: markerpic,title: ""});
 platzmarker[220].addListener("click", function() {gen_infowindow("2509","220")});
 platzmarker[221] = new google.maps.Marker({position: {lat: 50.149941719026295, lng: 7.6949058000000115},map: map,icon: markerpic,title: ""});
 platzmarker[221].addListener("click", function() {gen_infowindow("2984","221")});
 platzmarker[222] = new google.maps.Marker({position: {lat: 51.61813344941726, lng: 12.339242677365062},map: map,icon: markerpic,title: ""});
 platzmarker[222].addListener("click", function() {gen_infowindow("2937","222")});
 platzmarker[242] = new google.maps.Marker({position: {lat: 49.47328370315823, lng: 8.191636637280226},map: map,icon: markerpic,title: ""});
 platzmarker[242].addListener("click", function() {gen_infowindow("2548","242")});
 platzmarker[248] = new google.maps.Marker({position: {lat: 50.37208001917694, lng: 7.607169999999996},map: map,icon: markerpic,title: ""});
 platzmarker[248].addListener("click", function() {gen_infowindow("2554","248")});
 platzmarker[253] = new google.maps.Marker({position: {lat: 50.82448563183537, lng: 10.608915056622322},map: map,icon: markerpic,title: ""});
 platzmarker[253].addListener("click", function() {gen_infowindow("2565","253")});
 platzmarker[254] = new google.maps.Marker({position: {lat: 49.81202001879978, lng: 6.43137999999999},map: map,icon: markerpic,title: ""});
 platzmarker[254].addListener("click", function() {gen_infowindow("2566","254")});
 platzmarker[260] = new google.maps.Marker({position: {lat: 52.18664572046292, lng: 9.059702599999975},map: map,icon: markerpic,title: ""});
 platzmarker[260].addListener("click", function() {gen_infowindow("2575","260")});
 platzmarker[261] = new google.maps.Marker({position: {lat: 53.08274911161188, lng: 9.176580983328222},map: map,icon: markerpic,title: ""});
 platzmarker[261].addListener("click", function() {gen_infowindow("2576","261")});
 platzmarker[264] = new google.maps.Marker({position: {lat: 51.687725086884384, lng: 12.799893250787363},map: map,icon: markerpic,title: ""});
 platzmarker[264].addListener("click", function() {gen_infowindow("2579","264")});
 platzmarker[265] = new google.maps.Marker({position: {lat: 51.06777411965805, lng: 7.382460400000014},map: map,icon: markerpic,title: ""});
 platzmarker[265].addListener("click", function() {gen_infowindow("2580","265")});
 platzmarker[273] = new google.maps.Marker({position: {lat: 54.08254014990279, lng: 13.899351592973503},map: map,icon: markerpic,title: ""});
 platzmarker[273].addListener("click", function() {gen_infowindow("2600","273")});
 platzmarker[275] = new google.maps.Marker({position: {lat: 51.36424211092921, lng: 8.72732742620235},map: map,icon: markerpic,title: ""});
 platzmarker[275].addListener("click", function() {gen_infowindow("2617","275")});
 platzmarker[279] = new google.maps.Marker({position: {lat: 53.02413718767446, lng: 9.859425144982879},map: map,icon: markerpic,title: ""});
 platzmarker[279].addListener("click", function() {gen_infowindow("2636","279")});
 platzmarker[286] = new google.maps.Marker({position: {lat: 49.11703549891621, lng: 9.383536616428412},map: map,icon: markerpic,title: ""});
 platzmarker[286].addListener("click", function() {gen_infowindow("2988","286")});
 platzmarker[289] = new google.maps.Marker({position: {lat: 53.048024643467, lng: 8.463270960296654},map: map,icon: markerpic,title: ""});
 platzmarker[289].addListener("click", function() {gen_infowindow("2846","289")});
 platzmarker[292] = new google.maps.Marker({position: {lat: 51.49853674630145, lng: 13.985073639440884},map: map,icon: markerpic,title: ""});
 platzmarker[292].addListener("click", function() {gen_infowindow("2856","292")});
 platzmarker[293] = new google.maps.Marker({position: {lat: 51.49018001995724, lng: 14.036590000000047},map: map,icon: markerpic,title: ""});
 platzmarker[293].addListener("click", function() {gen_infowindow("2857","293")});
 platzmarker[294] = new google.maps.Marker({position: {lat: 54.41409965149986, lng: 10.24827503044969},map: map,icon: markerpic,title: ""});
 platzmarker[294].addListener("click", function() {gen_infowindow("2859","294")});
 platzmarker[296] = new google.maps.Marker({position: {lat: 47.62486002103011, lng: 7.66141612963861},map: map,icon: markerpic,title: ""});
 platzmarker[296].addListener("click", function() {gen_infowindow("2862","296")});
 platzmarker[301] = new google.maps.Marker({position: {lat: 53.9468581454243, lng: 13.857116057373124},map: map,icon: markerpic,title: ""});
 platzmarker[301].addListener("click", function() {gen_infowindow("2867","301")});
 platzmarker[302] = new google.maps.Marker({position: {lat: 47.60987421739717, lng: 10.446952199999942},map: map,icon: markerpic,title: ""});
 platzmarker[302].addListener("click", function() {gen_infowindow("2895","302")});
 platzmarker[304] = new google.maps.Marker({position: {lat: 49.97071239788303, lng: 12.444762793194514},map: map,icon: markerpic,title: ""});
 platzmarker[304].addListener("click", function() {gen_infowindow("2902","304")});
 platzmarker[305] = new google.maps.Marker({position: {lat: 50.82799521645138, lng: 10.649408652282792},map: map,icon: markerpic,title: ""});
 platzmarker[305].addListener("click", function() {gen_infowindow("2907","305")});
 platzmarker[306] = new google.maps.Marker({position: {lat: 49.275811341692176, lng: 7.722954577070595},map: map,icon: markerpic,title: ""});
 platzmarker[306].addListener("click", function() {gen_infowindow("2911","306")});
 platzmarker[307] = new google.maps.Marker({position: {lat: 47.95143447803154, lng: 10.286899130045413},map: map,icon: markerpic,title: ""});
 platzmarker[307].addListener("click", function() {gen_infowindow("2913","307")});
 platzmarker[310] = new google.maps.Marker({position: {lat: 54.40470390006677, lng: 11.140135999011251},map: map,icon: markerpic,title: ""});
 platzmarker[310].addListener("click", function() {gen_infowindow("2981","310")});
 platzmarker[312] = new google.maps.Marker({position: {lat: 52.36451742059459, lng: 13.375475999999988},map: map,icon: markerpic,title: ""});
 platzmarker[312].addListener("click", function() {gen_infowindow("2998","312")});
}
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()