var marker;

function setLocation( e ) {
  closeMapPopup();

  var lonlat = getEventPosition(e);

  $("#latitude").val(lonlat.lat);
  $("#longitude").val(lonlat.lon);

  if (marker) {
    removeMarkerFromMap(marker);
  }

  marker = addMarkerToMap(lonlat, null, I18n.t('diary_entry.edit.marker_text'));
}

function openMap() {
  $("#map").show();
  $("#usemap").hide();

  var params = $("#map").data();
  var centre = new OpenLayers.LonLat(params.lon, params.lat);
  var map = createMap("map");

  setMapCenter(centre, params.zoom);

  if ($("#latitude").val() && $("#longitude").val()) {
    marker = addMarkerToMap(centre, null, I18n.t('diary_entry.edit.marker_text'));
  }

  map.events.register("click", map, setLocation);
}