Sven Geggus schrieb: > function Lon2Merc(lon) { > return 20037508.34 * lon / 180; > } > > function Lat2Merc(lat) { > var PI = 3.14159265358979323846; > lat = Math.log(Math.tan( (90 + lat) * PI / 360)) / (PI / 180); > return 20037508.34 * lat / 180; > } Ich liebe MagicNumbers :-)