// map markers
    var map;
    var markers = [];
    
    // main markers
    markers[1] = [];
    
    var markers_id = [];
    var markers_list = [];
    var markers_title = [];
    var markers_source = [];
    var topRight;
    var bottomLeft;
    var scale;
    var image1;
          
    // markers in arrays
    markers_source[1] = [50.682,14.5401,1];
    markers_title[1] = '';
    markers_id[1] = '23';
    markers_source[2] = [50.6143,14.4495,1];
    markers_title[2] = '';
    markers_id[2] = '65';
    markers_source[3] = [50.8283,14.6953,1];
    markers_title[3] = '';
    markers_id[3] = '42';
    markers_source[4] = [50.8572,14.5819,1];
    markers_title[4] = '';
    markers_id[4] = '114';
    markers_source[5] = [50.7488,14.6598,1];
    markers_title[5] = '';
    markers_id[5] = '53';
    markers_source[6] = [50.7917,14.4892,1];
    markers_title[6] = '';
    markers_id[6] = '52';
    markers_source[7] = [50.7356,14.5812,1];
    markers_title[7] = '';
    markers_id[7] = '48';
    markers_source[8] = [50.7772,14.6329,1];
    markers_title[8] = '';
    markers_id[8] = '12';
    markers_source[9] = [50.9115,14.6182,1];
    markers_title[9] = '';
    markers_id[9] = '47';
    markers_source[10] = [50.8567,14.56,1];
    markers_title[10] = '';
    markers_id[10] = '41';
    markers_source[11] = [50.7651,15.0582,1];
    markers_title[11] = '';
    markers_id[11] = '66';
    markers_source[12] = [50.7704,14.4965,1];
    markers_title[12] = '';
    markers_id[12] = '54';
    markers_source[13] = [50.8084,14.6774,1];
    markers_title[13] = '';
    markers_id[13] = '58';
    markers_source[14] = [50.6785,14.5397,1];
    markers_title[14] = '';
    markers_id[14] = '18';
    markers_source[15] = [50.8558,14.3566,1];
    markers_title[15] = '';
    markers_id[15] = '162';
    markers_source[16] = [50.6169,14.4878,1];
    markers_title[16] = '';
    markers_id[16] = '87';
    markers_source[17] = [50.8274,14.6988,1];
    markers_title[17] = '';
    markers_id[17] = '89';
    markers_source[18] = [50.6535,14.7352,1];
    markers_title[18] = '';
    markers_id[18] = '82';
    markers_source[19] = [50.8641,14.4534,1];
    markers_title[19] = '';
    markers_id[19] = '84';
    markers_source[20] = [50.6848,14.6452,1];
    markers_title[20] = '';
    markers_id[20] = '116';
    markers_source[21] = [50.74,14.2996,1];
    markers_title[21] = '';
    markers_id[21] = '88';
    markers_source[22] = [,,1];
    markers_title[22] = '';
    markers_id[22] = '146';
    markers_source[23] = [50.8724,14.3191,1];
    markers_title[23] = '';
    markers_id[23] = '102';
    markers_source[24] = [50.7671,15.0525,1];
    markers_title[24] = '';
    markers_id[24] = '81';
    markers_source[25] = [50.7435,14.8415,1];
    markers_title[25] = '';
    markers_id[25] = '97';
    markers_source[26] = [50.8169,14.9688,1];
    markers_title[26] = '';
    markers_id[26] = '90';
    markers_source[27] = [50.7971,15.1399,1];
    markers_title[27] = '';
    markers_id[27] = '99';
    markers_source[28] = [50.7709,15.0567,1];
    markers_title[28] = '';
    markers_id[28] = '100';
    markers_source[29] = [50.0297,14.6016,1];
    markers_title[29] = '';
    markers_id[29] = '111';
    markers_source[30] = [50.7688,15.06,1];
    markers_title[30] = '';
    markers_id[30] = '98';
    markers_source[31] = [50.565,14.6684,1];
    markers_title[31] = '';
    markers_id[31] = '101';
    markers_source[32] = [50.2395,14.3099,1];
    markers_title[32] = '';
    markers_id[32] = '72';
    markers_source[33] = [49.9762,14.3932,1];
    markers_title[33] = '';
    markers_id[33] = '140';
    markers_source[34] = [50.0617,14.3982,1];
    markers_title[34] = '';
    markers_id[34] = '108';
    markers_source[35] = [50.7771,14.6427,1];
    markers_title[35] = '';
    markers_id[35] = '75';
    markers_source[36] = [50.7576,14.5556,1];
    markers_title[36] = '';
    markers_id[36] = '76';
    markers_source[37] = [50.6806,14.5462,1];
    markers_title[37] = '';
    markers_id[37] = '131';
    markers_source[38] = [51.013,14.353,1];
    markers_title[38] = '';
    markers_id[38] = '115';
    markers_source[39] = [50.7733,15.0521,1];
    markers_title[39] = '';
    markers_id[39] = '96';
    markers_source[40] = [50.6693,15.2979,1];
    markers_title[40] = '';
    markers_id[40] = '133';
    markers_source[41] = [50.5705,14.648,1];
    markers_title[41] = '';
    markers_id[41] = '69';
    markers_source[42] = [50.0916,14.4737,1];
    markers_title[42] = '';
    markers_id[42] = '142';
    markers_source[43] = [50.7769,14.6282,1];
    markers_title[43] = '';
    markers_id[43] = '13';
    markers_source[44] = [50.7779,15.0809,1];
    markers_title[44] = '';
    markers_id[44] = '124';
    markers_source[45] = [,,1];
    markers_title[45] = '';
    markers_id[45] = '170';
    markers_source[46] = [,,1];
    markers_title[46] = '';
    markers_id[46] = '166';
    markers_source[47] = [50.7313,14.1933,1];
    markers_title[47] = '';
    markers_id[47] = '159';
    markers_source[48] = [50.7711,15.0868,1];
    markers_title[48] = '';
    markers_id[48] = '154';
    markers_source[49] = [50.7797,15.1722,1];
    markers_title[49] = '';
    markers_id[49] = '150';
    markers_source[50] = [50.4225,14.4637,1];
    markers_title[50] = '';
    markers_id[50] = '155';
    markers_source[51] = [50.074,14.4062,1];
    markers_title[51] = '';
    markers_id[51] = '118';
    markers_source[52] = [50.0761,14.4239,1];
    markers_title[52] = '';
    markers_id[52] = '120';
    markers_source[53] = [50.0759,14.4502,1];
    markers_title[53] = '';
    markers_id[53] = '165';
    markers_source[54] = [50.0401,14.5059,1];
    markers_title[54] = '';
    markers_id[54] = '141';
    markers_source[55] = [50.0875,14.4534,1];
    markers_title[55] = '';
    markers_id[55] = '119';
    markers_source[56] = [50.5847,14.342,1];
    markers_title[56] = '';
    markers_id[56] = '158';
    markers_source[57] = [50.7228,15.1546,1];
    markers_title[57] = '';
    markers_id[57] = '149';
    markers_source[58] = [50.5012,14.8042,1];
    markers_title[58] = '';
    markers_id[58] = '137';
    markers_source[59] = [50.0403,14.5092,1];
    markers_title[59] = '';
    markers_id[59] = '145';
    markers_source[60] = [50.0772,14.8806,1];
    markers_title[60] = '';
    markers_id[60] = '153';
    markers_source[61] = [,,1];
    markers_title[61] = '';
    markers_id[61] = '171';
    markers_source[62] = [,,1];
    markers_title[62] = '';
    markers_id[62] = '172';
    markers_source[63] = [,,1];
    markers_title[63] = '';
    markers_id[63] = '185';
    markers_source[64] = [,,1];
    markers_title[64] = '';
    markers_id[64] = '187';
    markers_source[65] = [,,1];
    markers_title[65] = '';
    markers_id[65] = '188';
    markers_source[66] = [,,1];
    markers_title[66] = '';
    markers_id[66] = '189';
    markers_source[67] = [,,1];
    markers_title[67] = '';
    markers_id[67] = '190';
    markers_source[68] = [,,1];
    markers_title[68] = '';
    markers_id[68] = '186';
    markers_source[69] = [,,1];
    markers_title[69] = '';
    markers_id[69] = '184';
    markers_source[70] = [,,1];
    markers_title[70] = '';
    markers_id[70] = '179';
    markers_source[71] = [,,1];
    markers_title[71] = '';
    markers_id[71] = '193';
    markers_source[72] = [,,1];
    markers_title[72] = '';
    markers_id[72] = '180';
    markers_source[73] = [,,1];
    markers_title[73] = '';
    markers_id[73] = '181';
    markers_source[74] = [,,1];
    markers_title[74] = '';
    markers_id[74] = '182';
    markers_source[75] = [,,1];
    markers_title[75] = '';
    markers_id[75] = '194';
    markers_source[76] = [,,1];
    markers_title[76] = '';
    markers_id[76] = '195';
    markers_source[77] = [,,1];
    markers_title[77] = '';
    markers_id[77] = '196';
    markers_source[78] = [,,1];
    markers_title[78] = '';
    markers_id[78] = '183';
    markers_source[79] = [,,1];
    markers_title[79] = '';
    markers_id[79] = '197';
    markers_source[80] = [,,1];
    markers_title[80] = '';
    markers_id[80] = '198';
    markers_source[81] = [,,1];
    markers_title[81] = '';
    markers_id[81] = '199';
    markers_source[82] = [,,1];
    markers_title[82] = '';
    markers_id[82] = '200';
    markers_source[83] = [,,1];
    markers_title[83] = '';
    markers_id[83] = '201';
    markers_source[84] = [,,1];
    markers_title[84] = '';
    markers_id[84] = '202';
    markers_source[85] = [,,1];
    markers_title[85] = '';
    markers_id[85] = '203';
    markers_source[86] = [,,1];
    markers_title[86] = '';
    markers_id[86] = '204';
    markers_source[87] = [,,1];
    markers_title[87] = '';
    markers_id[87] = '205';
    markers_source[88] = [,,1];
    markers_title[88] = '';
    markers_id[88] = '206';
    markers_source[89] = [,,1];
    markers_title[89] = '';
    markers_id[89] = '218';
    markers_source[90] = [,,1];
    markers_title[90] = '';
    markers_id[90] = '207';
    markers_source[91] = [,,1];
    markers_title[91] = '';
    markers_id[91] = '208';
    markers_source[92] = [,,1];
    markers_title[92] = '';
    markers_id[92] = '209';
    markers_source[93] = [,,1];
    markers_title[93] = '';
    markers_id[93] = '210';
    markers_source[94] = [,,1];
    markers_title[94] = '';
    markers_id[94] = '211';
    markers_source[95] = [,,1];
    markers_title[95] = '';
    markers_id[95] = '212';
    markers_source[96] = [50.5075,14.0302,1];
    markers_title[96] = '';
    markers_id[96] = '213';
    markers_source[97] = [,,1];
    markers_title[97] = '';
    markers_id[97] = '214';
    markers_source[98] = [,,1];
    markers_title[98] = '';
    markers_id[98] = '215';
    markers_source[99] = [,,1];
    markers_title[99] = '';
    markers_id[99] = '216';
    markers_source[100] = [,,1];
    markers_title[100] = '';
    markers_id[100] = '217';
    markers_source[101] = [,,1];
    markers_title[101] = '';
    markers_id[101] = '219';
    markers_source[102] = [,,1];
    markers_title[102] = '';
    markers_id[102] = '220';
    
    function initialize() {
      
      // set map
      var styles = [
        { "stylers": [
          { "lightness": -67 },
          { "saturation": 54 },
          { "hue": "#002bff" }
        ] 
        },{
          "featureType": "road",
          "elementType": "geometry",
          "stylers": [
            { "saturation": 87 }
          ]
        },{
          "elementType": "labels.text.fill",
          "stylers": [
            { "color": "#E8E1D6" }
          ]
        }
      ];
      
      var styledMap = new google.maps.StyledMapType(styles,
        {name: "Styled Map"});
       
       var map_canvas = document.getElementById('map_canvas');
       var map_options = {
         center: new google.maps.LatLng(50.761393, 14.581604),
         zoom: 10,
         mapTypeId: google.maps.MapTypeId.ROADMAP,
         draggable: false,
         scrollwheel: false,
         disableDoubleClickZoom: true //,
         // zoomControl: false
       };
       var map = new google.maps.Map(map_canvas, map_options);
       
       map.mapTypes.set('map_style', styledMap);
       map.setMapTypeId('map_style');
       
      
      // pois markers
      var anchorTop = 45;
      var anchorLeft = 45;
      var originTop = 0;
      var originLeft = 0;
      
      image1 = new google.maps.MarkerImage('http://www.pivovarcvikov.cz/pcs/marker_restaurant.png',
        new google.maps.Size(50, 50),
        new google.maps.Point(originLeft,originTop),
        new google.maps.Point(anchorLeft,anchorTop)
      );
      
      for (var key in markers_source) {
        var marker = new google.maps.Marker({
          position: new google.maps.LatLng(markers_source[key][0], markers_source[key][1]),
          map: map,
          title: markers_title[key],
          icon: image1
        });
      }
    
    }
    
    google.maps.event.addDomListener(window, 'load', initialize);