$form->addInput(array('type'=>'hidden','name'=>'browser_today','value'=>'')); // User current date, which gets filled in on btn_login click.
$form->addInput(array('type'=>'submit','name'=>'btn_login','onclick'=>'browser_today.value=get_date()','value'=>$i18n->getKey('button.login')));
$form->addInput(array('type'=>'hidden','name'=>'browser_today','value'=>'')); // User current date, which gets filled in on btn_login click.
$form->addInput(array('type'=>'submit','name'=>'btn_login','onclick'=>'browser_today.value=get_date()','value'=>$i18n->getKey('button.login')));