/**
	* NotifyAdmin
	* Notifies the administrator when a user has exceeded their quota
	*
	* @param Int $userid The userid the notification is for
	* @param Int $size_difference The number of emails the user has exceeded their limit by
	* @param Int $queuetime The time the queue was created at
	* @param String $langvar The langvar to use to describe which limit has been exceeded. This langvar is returned by the CheckUserStats/ReCheckuserStats functions.
	* @param Boolean $stopped_send Specify true if the send has been halted, false if the send is continuing
	*
	* @see Stats_API::ReCheckUserStats
	* @see Stats_API::CheckUserStats
	*
	* @return Void Returns nothing
	*/
	function NotifyAdmin($userid, $size_difference, $queuetime, $langvar, $stopped_send=false)
	{
		$user = GetUser($userid);
		$user_queuetime = AdjustTime($queuetime, false, GetLang('UserDateFormat'));

		require_once(IEM_PATH . '/ext/interspire_email/email.php');

		$email_api = new Email_API();

		$email_api->Set('Subject', GetLang('User_OverQuota_Subject'));

		$username = $user->Get('username');
		if ($user->fullname) {
			$username = $user->fullname;
			$email_api->Set('FromName', $user->fullname);
		} else {
			$email_api->Set('FromName', GetLang('SendingSystem'));
		}

		if ($user->emailaddress) {
			$email_api->Set('FromAddress', $user->emailaddress);
		} else {
			$email_api->Set('FromAddress', GetLang('SendingSystem_From'));
		}

		$over_size = number_format($size_difference, 0, GetLang('NumberFormat_Dec'), GetLang('NumberFormat_Thousands'));

		$extra_mail = '';
		if ($stopped_send) {
			$extra_mail = GetLang('User_OverQuota_StoppedSend');
		}

		$message = sprintf(GetLang('User_OverQuota_Email'), $username, $user->Get('emailaddress'), $user_queuetime, GetLang('User_'.$langvar), $over_size, $extra_mail);

		$email_api->Set('Multipart', false);

		$email_api->AddBody('text', $message);

		$email_api->ClearAttachments();
		$email_api->ClearRecipients();

		$email_api->AddRecipient(SENDSTUDIO_EMAIL_ADDRESS, '', 't');

		$email_api->Send();

		$email_api->ForgetEmail();

		// now send the user notification.

		$email_api->Set('Subject', GetLang('User_OverQuota_Subject'));

		$email_api->Set('FromName', '');

		$email_api->Set('FromAddress', SENDSTUDIO_EMAIL_ADDRESS);

		$message = sprintf(GetLang('User_OverQuota_ToUser_Email'), $user_queuetime, GetLang('User_'.$langvar), $over_size, $extra_mail);

		$email_api->Set('Multipart', false);

		$email_api->AddBody('text', $message);

		$email_api->ClearAttachments();
		$email_api->ClearRecipients();

		$email_api->AddRecipient($user->emailaddress, '', 't');

		$email_api->Send();

		$email_api->ForgetEmail();
	}