--- Session.py_que_estoy_utilizando	Mon Jun 17 08:20:00 2002
+++ Session.py	Tue Jun 18 18:53:32 2002
@@ -49,6 +49,7 @@
 from DateTime import DateTime
 import threading,time
 from Shared.DC.ZRDB.TM import TM
+from DocumentTemplate.DT_Var import url_quote_plus
 
 import sys
 from ZPublisher import Client
@@ -386,6 +387,24 @@
             origURL=REQUEST['URL']+'/'+string.join(TRNS, '/')
         else:
             origURL=REQUEST['URL']
+
+        # Form detection
+        # If the session is created by a form, with get method,
+        # data forms are maintained, putting them on the redirect
+        # url.
+        form_parms=''
+        if REQUEST.form and REQUEST.environ['REQUEST_METHOD']=='GET':
+           first_time=1
+           for form_var in REQUEST.form.keys():
+               if first_time:
+                  separ_char='?'
+               else:
+                  separ_char='&'
+               form_parms= ( form_parms+
+                       '%s%s=%s'%(separ_char, url_quote_plus(form_var), 
+                                 url_quote_plus(REQUEST.form[form_var])  )
+                            )
+               first_time=0
         
         session=SessionInstance(_randomID(),self.timeout)
         if hasattr(self,'onSessionStartup'):
@@ -393,9 +412,9 @@
             self.onSessionStartup(self,REQUEST)
             
         self._sessions[session.id]=session
-        newurl="%s/%s%s"%(self.absolute_url(),
+        newurl="%s/%s%s%s"%(self.absolute_url(),
                            session.id,
-                           origURL[len(self.absolute_url()):])
+                           origURL[len(self.absolute_url()):], form_parms)
         session.set('SESSIONROOT', "%s/%s"%(self.absolute_url(),session.id) )
 
         raise 'Redirect',newurl