Hi Fizzy,
here it is:
function SpellCheck()
{
global $txt, $context;
// A list of "words" we know about but pspell doesn't.
$known_words = array('smf', 'php', 'mysql', 'www', 'http', 'Everest', 'Denali', 'Kili', 'Vinson', 'McKinley', 'Elbrus', 'Kilimanjaro', 'Carstensz', 'Kosciuszko', 'Aconcagua');
loadTemplate('Post');
loadLanguage('Post');