Dear Alex
im so happy to fin you
and great thanks for jnxtoimg
witch works very fine

dir C:\Maps\jnx2img\
jnx2img.cmd c:\Maps\test_map.jnx c:\Maps\test_map.img

but , please,i dont know and dont find
the script to do it on a directory for
lot of jnx .....

i have tried and tried without success
lot of thanks