writing captcha image file

[amaltasb at gmail.com]

I get this msg:
Traceback (most recent call last):
  File "/usr/local/apache/cgi-bin/newuser.cgi", line 61, in ?
    cstatus = im.save(file_name,'JPEG')
  File "/usr/local/lib/python2.4/PIL/Image.py", line 1299, in save
    fp = __builtin__.open(fp, "wb")
IOError: [Errno 13] Permission denied:
'/usr/local/apache/htdocs/captcha/t13uum15a2jgfj2sqg.jpg'