def isSafe( fileName ):
   #cgi path # sisennä: 3 välilyöntiä
   exeFolder, scriptName = os.path.split(os.path.abspath(__file__))
   if "../" in html_page:
      print "Error: You cannot put ../ to the file path." # sisennä: 6 välilyöntiä
      return False
   if len( fileName ) > 40:
      print "Error: Too long file name."
      return False
   if scriptName in fileName:
      print "Error: Cannot have script name in this parameter."
      return False
   return True