public function executeAutoComplete()
{
if ($this->getRequestParameter('requester_a')) {
$this->key = $this->getRequestParameter('requester_a');
} elseif ($this->getRequestParameter('requester_p')) {
$this->key = $this->getRequestParameter('requester_p');
}
$this->keyword = $this->key;
$this->requesters = RequesterPeer::getByFirstLetter($this->keyword);
}