/**
* Checks if a URL is a Flash file
*
* @param string
* @return URL
*/
function validateHash($hash)
{
$retval = false;
$session =& JFactory::getSession();
MailtoHelper::cleanHashes();
$mailto_links = $session->get('com_mailto.links', array());
if (isset($mailto_links[$hash])) {
$retval = $mailto_links[$hash]->link;
}
return $retval;
}
