[Openstreetmap] coordinate conversion

[Lars Aronsson]

What kind of coordinates are these? They are for places Norway and 
seem to work with a map at www.avinet.no.  How can they be 
converted to plain old latitude and longitude?

261607,6649854
13547,6644309
-41015,6626227
262161,6649033
261957,6649713
-31606,6733971
262412,6649785
260670,6649550
269914,7040767
236738,6677407


-- 
  Lars Aronsson (lars at aronsson.se)
  Aronsson Datateknik - http://aronsson.se