function down_position_image($id, $bannercat_id, $step = 1)
{
$o = new banner();
$o->get_by_id($id);
if (!$o->exists()) {
show_404("Không tìm thấy");
}
for ($i = 0; $i < $step; $i++) {
$o->down_position();
}
// flash_message('warning','Không th? thay d?i v? trí du?c n?a ');
redirect($this->admin . 'bannercats/list_image/' . $bannercat_id);
}
function delete_image($id)
{
$banner = new banner($id);
if (!$banner->exists()) {
show_404();
}
$bannercat_id = $banner->bannercat_id;
$banner->delete();
redirect($this->admin_url . "bannercats/list_image/" . $bannercat_id);
}
