function generateUserMenu()
    {
        $menu = HtmlPage::generateSubMenu();
        $menu .= '
            <li ' . ($this->startswith($this->id, 'exercises/my_propose_list') ? 'class= "active"' : '') . '><a href="' . RessourceManager::getInnerUrl('exercises/my_propose_list') . '/">' . _('My proposed exercises') . '</a></li>

            ';
        return $menu;
    }
 function generateSubMenu()
 {
     $menu = HtmlPage::generateSubMenu();
     $menu .= '
         <li ' . ($this->startswith($this->id, 'documentation/installation') ? 'class= "active"' : '') . '><a href="' . RessourceManager::getInnerUrl('documentation/installation/index') . '/">' . _('Installation') . '</a></li>
         <li ' . ($this->startswith($this->id, 'documentation/use') ? 'class= "active"' : '') . '><a href="' . RessourceManager::getInnerUrl('documentation/use/index') . '/">' . _('Use perroquet') . '</a></li>
         <li ' . ($this->startswith($this->id, 'documentation/help') ? 'class= "active"' : '') . '><a href="' . RessourceManager::getInnerUrl('documentation/help/index') . '/">' . _('Help tools') . '</a></li>
         <li ' . ($this->startswith($this->id, 'documentation/repositories') ? 'class= "active"' : '') . '><a href="' . RessourceManager::getInnerUrl('documentation/repositories/index') . '/">' . _('Reporitories') . '</a></li>
         <li ' . ($this->startswith($this->id, 'documentation/exercise_creation') ? 'class= "active"' : '') . '><a href="' . RessourceManager::getInnerUrl('documentation/exercise_creation/index') . '/">' . _('Exercise creation') . '</a></li>
         <li ' . ($this->startswith($this->id, 'documentation/development') ? 'class= "active"' : '') . '><a href="' . RessourceManager::getInnerUrl('documentation/development/index') . '/">' . _('Development') . '</a></li>
         ';
     return $menu;
 }