#!/Library/Frameworks/Python.framework/Versions/Current/bin/python
# L-22 MCS 275 Wed 3 Mar 2010 : login_form.py
import cgi
form = cgi.FieldStorage()
print "Content-Type: text/plain\n"
error = False
try:
   n = form['login'].value
except KeyError:
   print "please enter your name"
   error = True
try:
   p = form['password'].value
except KeyError:
   print "please enter a password"
   error = True

if not error:
   if eval(form['new'].value):
      print 'welcome new user ' + n
   else:
      print 'welcome back ' + n