$form->addInput(array('type'=>'hidden','name'=>'id','value'=>$group_id));
$form->addInput(array('type'=>'submit','name'=>'btn_delete','value'=>$i18n->get('label.delete')));
$form->addInput(array('type'=>'submit','name'=>'btn_cancel','value'=>$i18n->get('button.cancel')));
if ($request->isPost()) {
if ($request->getParameter('btn_delete')) {
$form->addInput(array('type'=>'hidden','name'=>'id','value'=>$group_id));
$form->addInput(array('type'=>'submit','name'=>'btn_delete','value'=>$i18n->get('label.delete')));
$form->addInput(array('type'=>'submit','name'=>'btn_cancel','value'=>$i18n->get('button.cancel')));
if ($request->isPost()) {
if ($request->getParameter('btn_delete')) {