Annoying problem with PHP from nested MC

Hello there!
I’m having a very annoying problem. I have my main site, and on this this site, there’s a contact-button. This button attaches a contact_mc (with attachMovie). So… the contact section loads, and within this MC, i have a mail button. This mailbutton tells a movieclip with an empty first frame, to play from frame 2. At last we are at the mailform. I followed this tutorial: http://www.kirupa.com/developer/actionscript/flash_php_email.htm and somehow i can’t get it to work. I tried direct targeting from the submit-button as thus:

on(release){
_level0.NAV_MC.current_mc.bg_mail.mailForm.loadVariables(“email.php”,“POST”);
}

Is there a problem with PHP-mail-forms from within nested MC’s. BTW, when i say nested MC’s, i don’t load them externally. They are within the main movie, exported for actionscript. I work in flashCS3 in a AS2 environment. ANY help is recieved with ‘hats off’ and ‘crowdwaves’…

cheers

Mikz