diff --git a/addons/account/models/account_bank_statement.py b/addons/account/models/account_bank_statement.py
index 5942dfb98f9..e69364d5ed3 100644
--- a/addons/account/models/account_bank_statement.py
+++ b/addons/account/models/account_bank_statement.py
@@ -240,7 +240,7 @@ class AccountBankStatement(models.Model):
                     raise UserError(_('All the account entries lines must be processed in order to close the statement.'))
                 moves = (moves | st_line.journal_entry_ids)
             if moves:
-                moves.post()
+                moves.filtered(lambda m: m.state != 'posted').post()
             statement.message_post(body=_('Statement %s confirmed, journal items were created.') % (statement.name,))
         statements.link_bank_to_partner()
         statements.write({'state': 'confirm', 'date_done': time.strftime("%Y-%m-%d %H:%M:%S")})
diff --git a/addons/pos_mercury/data/pos_mercury_demo.xml b/addons/pos_mercury/data/pos_mercury_demo.xml
index 5ff1a0d70e4..b242868f8df 100644
--- a/addons/pos_mercury/data/pos_mercury_demo.xml
+++ b/addons/pos_mercury/data/pos_mercury_demo.xml
@@ -5,8 +5,8 @@
       <!-- This is a test account for testing with test cards and cannot be used in a live environment -->
       <record id="pos_mercury_configuration" model="pos_mercury.configuration">
         <field name="name">Mercury Demo</field>
-        <field name="merchant_id">334160</field>
-        <field name="merchant_pwd">81303DUR</field>
+        <field name="merchant_id">755847002</field>
+        <field name="merchant_pwd">xyz</field>
       </record>
     </data>
 </odoo>
diff --git a/addons/pos_mercury/models/pos_mercury_transaction.py b/addons/pos_mercury/models/pos_mercury_transaction.py
index cca78872ac5..4d8da0b9a98 100644
--- a/addons/pos_mercury/models/pos_mercury_transaction.py
+++ b/addons/pos_mercury/models/pos_mercury_transaction.py
@@ -63,7 +63,11 @@ class MercuryTransaction(models.Model):
             'SOAPAction': 'http://www.mercurypay.com/CreditTransaction',
         }
 
-        r = urllib2.Request('https://w1.mercurypay.com/ws/ws.asmx', data=xml_transaction, headers=headers)
+        url = 'https://w1.mercurypay.com/ws/ws.asmx'
+        if self.env['ir.config_parameter'].sudo().get_param('pos_mercury.enable_test_env'):
+            url = 'https://w1.mercurycert.net/ws/ws.asmx'
+
+        r = urllib2.Request(url, data=xml_transaction, headers=headers)
         try:
             u = urllib2.urlopen(r, timeout=65)
             response = werkzeug.utils.unescape(u.read())
diff --git a/addons/website/controllers/main.py b/addons/website/controllers/main.py
index d0483ada943..3e115b02a25 100644
--- a/addons/website/controllers/main.py
+++ b/addons/website/controllers/main.py
@@ -110,7 +110,10 @@ class Website(Home):
         }
         # /page/website.XXX --> /page/XXX
         if page.startswith('website.'):
-            return request.redirect('/page/' + page[8:], code=301)
+            url = '/page/' + page[8:]
+            if request.httprequest.query_string:
+                url += '?' + request.httprequest.query_string
+            return request.redirect(url, code=301)
         elif '.' not in page:
             page = 'website.%s' % page