minor fixes

modules/creditmutuel/browser.py

@@ -79,6 +79,9 @@ class CreditMutuelBrowser(LoginBrowser):
     __states__ = ['currentSubBank']
 
     def do_login(self):
+        # Clear cookies.
+        self.do_logout()
+
         self.login.go()
 
         if not self.page.logged:

modules/creditmutuel/pages.py

@@ -42,7 +42,7 @@ class LoginPage(HTMLPage):
     REFRESH_MAX = 10.0
 
     def login(self, login, passwd):
-        form = self.get_form(nr=0)
+        form = self.get_form(xpath='//form[contains(@name, "ident")]')
         form['_cm_user'] = login
         form['_cm_pwd'] = passwd
         form.submit()