fixed again xD
this time set de vars the form espect to, so it hides de form and shows de welcome back
# Require user to be registered and logged in before allowing posting
# 30 second hack by Brian C. Lane - www.libertynews.org
get_currentuserinfo();
if( empty($user_nickname) && empty($user_email) )
_e('Sorry, you must login before posting.');
else if ('open' == $post->comment_status) {
$comment_author_email = $user_email;
$comment_author = $user_nickname;
kada
shouting in the dark.