Openstreetmapru bookmarklet sources

(function() {
  var url, latlon, lat, lon, isYandex, zoom, map;

  url = decodeURIComponent(window.location);

  // Common style
  lat = (lat = /(?:lat|latitude|\Wlt)[^\d-]+([\d.-]*)/.exec(url)) == null ? lat : lat[1];
  lon = (lon = /(?:lon|lng|long|longitude|\Wln)[^\d-]+([\d.-]*)/.exec(url)) == null ? lon : lon[1];
  zoom = (zoom = /(?:zoom|\Wz)\D*([\d.]*)/.exec(url)) == null ? '14' : zoom[1];

  // Google and Yandex style
  if (!(lat && lon)) {
    latlon = (latlon = /ll=([\d.,-]*)/.exec(url)) == null ? latlon : latlon[1].split(',');

    if (latlon && latlon.length > 1) {
      isYandex = /\/\/[^\/]*yandex/.test(url) | 0;
      lon = latlon[1 - isYandex];
      lat = latlon[isYandex];
    }
  }

  // Openstreetmap new style
  if (!(lat && lon)) {
    latlon = /(\d+)\/(-?\d+\.\d+)\/(-?\d+\.\d+)/.exec(url);
    if (latlon) {
      lat = latlon[2];
      lon = latlon[3];
      zoom = latlon[1];
    }
  }

  // 2Gis style
  if (!(lat && lon)) {
    latlon = /(-?\d+\.\d+),(-?\d+\.\d+)\/zoom\/(\d+)/.exec(url);
    if (latlon) {
      lat = latlon[2];
      lon = latlon[1];
      zoom = latlon[3];
    }
  }

  // Vkontakte
  if (!(lat && lon)) {
    map = window.placeMap || (window.cur ? window.cur.placeMap : null);
    if (map) {
      latlon = map.getCenter();
      lat = latlon.lat;
      lon = latlon.lon;
      zoom = map.getZoom();
    }
  }

  // Bing
  if (!(lat && lon)) {
    map = window.map;
    if (map && map.get_center && map.get_zoomLevel) {
      latlon = map.get_center();
      lon = latlon.longitude;
      lat = latlon.latitude;
      zoom = map.get_zoomLevel();
    }
  }

  if (!(lat && lon)) return;

  window.location = 'http://openstreetmap.ru/#zoom=' + zoom + '&lat=' + lat + '&lon=' + lon;
})();