function delete_courses_from_shop()
{
JRequest::checkToken() or jexit('Invalid Token');
$cid = JRequest::getVar('cid', array(), 'post', 'array');
if (count($cid) < 1) {
JError::raiseError(500, JText::_('Select an item to delete'));
}
JoomdleHelperShop::delete_courses($cid);
$this->setRedirect('index.php?option=com_joomdle&view=shop');
}