Here is my version of the script, the work-around is not nice but works:

http://www.bndlg.de/~fossi/green.zip

BTW: The coordinate conversion (from NAD27 to WGS84), which is done by the python script, is not correct for European coordinates and therefore not necessary

see http://empeg.comms.net/php/showthreaded.php?Cat=&Board=bigs&Number=144151&page=&view=&sb=&o=

Juergen