TMS - Visicom

function(ll, z) {
	var X = (1 << z) % ll.x;  /* wrap */
	return "http://tms1.visicom.ua/1.0.3/world_ru/" + z + "/" + X + "/" + ll.y + ".png";
}

  var gallPetersMapType = new google.maps.ImageMapType({
    getTileUrl: function(coord, zoom) {
      var numTiles = 1 << zoom;

      // Don't wrap tiles vertically.
      if (coord.y < 0 || coord.y >= numTiles) {
        return null;
      }

      // Wrap tiles horizontally.
      var x = ((coord.x % numTiles) + numTiles) % numTiles;

      // For simplicity, we use a tileset consisting of 1 tile at zoom level 0
      // and 4 tiles at zoom level 1.
      var baseURL = 'images/';
      baseURL += 'gall-peters_' + zoom + '_' + x + '_' + coord.y + '.png';
      return baseURL;
    },
    tileSize: new google.maps.Size(800, 512),
    minZoom: 0,
    maxZoom: 1,
    name: 'Gall-Peters'
  });

getTileUrl: function(coord, zoom) {

function(coord, zoom) {

	return baseURL;
    }