function initialize() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("map_canvas"));
    map.setCenter(new GLatLng(42.69088969601617, 23.337085247039795), 16);

    // Add 10 markers to the map at random locations
    var latlng = new GLatLng(42.69088969601617, 23.337085247039795);
    map.addOverlay(new GMarker(latlng));
  
map.setUIToDefault();  
  }
}