function initialize() {
  var myOptions = {
    zoom: 6,
    center: new google.maps.LatLng(51.42318929025317,14.249267578125),
    mapTypeId: google.maps.MapTypeId.ROADMAP
  }

  map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

  var marker1 = new google.maps.Marker({
              position: new google.maps.LatLng(51.760729,14.327488),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Cottbus'
          });var marker2 = new google.maps.Marker({
              position: new google.maps.LatLng(51.568986,14.377526),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Spremberg'
          });var marker3 = new google.maps.Marker({
              position: new google.maps.LatLng(51.519328,14.007591),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Senftenberg'
          });var marker4 = new google.maps.Marker({
              position: new google.maps.LatLng(51.635256,13.712485),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Finsterwalde'
          });var marker5 = new google.maps.Marker({
              position: new google.maps.LatLng(51.457202,13.517934),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Elsterwerda'
          });var marker6 = new google.maps.Marker({
              position: new google.maps.LatLng(51.69099,13.22915),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Herzberg'
          });var marker7 = new google.maps.Marker({
              position: new google.maps.LatLng(51.733311,14.63801),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Forst'
          });var marker8 = new google.maps.Marker({
              position: new google.maps.LatLng(51.9522404,14.7148187),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Guben'
          });var marker9 = new google.maps.Marker({
              position: new google.maps.LatLng(51.941311,13.88106),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Lübben'
          });var marker10 = new google.maps.Marker({
              position: new google.maps.LatLng(52.5234051,13.4113999),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Berlin'
          });var marker11 = new google.maps.Marker({
              position: new google.maps.LatLng(51.33967311,12.3713639),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Leipzig'
          });var marker12 = new google.maps.Marker({
              position: new google.maps.LatLng(51.482166,11.965814),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Halle'
          });var marker13 = new google.maps.Marker({
              position: new google.maps.LatLng(50.832503,12.924694),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Chemnitz'
          });var marker14 = new google.maps.Marker({
              position: new google.maps.LatLng(49.45052,11.08048),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Nürnberg'
          });var marker15 = new google.maps.Marker({
              position: new google.maps.LatLng(48.1391265,11.5801863),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'München'
          });var marker16 = new google.maps.Marker({
              position: new google.maps.LatLng(50.1114451,8.6806154),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Frankfurt am Main'
          });var marker17 = new google.maps.Marker({
              position: new google.maps.LatLng(50.7327045,7.0963113),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Bonn'
          });var marker18 = new google.maps.Marker({
              position: new google.maps.LatLng(50.9406645,6.9599115),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Köln'
          });var marker19 = new google.maps.Marker({
              position: new google.maps.LatLng(51.2249429,6.7756524),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Düsseldorf'
          });var marker20 = new google.maps.Marker({
              position: new google.maps.LatLng(53.553813,9.991586),
              map: map,
              icon: 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png',            
              title: 'Hamburg'
          });
}