function demoParcels() {
    var ckey = "FVv7W5Az99"
    var tileurl = "reportallusa.com/dyn/tile.py"
    var tile_map_url = tileurl + "?map=siteroot/Base_Layers.map&layer=Parcels&mode=tile&tilemode=gmap&tile=${x}+${y}+${z}&client=" + ckey;
    new L.TileLayer(tile_map_url).addTo(map)
}