[TYPO3-dev] other pid for alt_doc.php?

[Christian Opitz - Netzelf]

Hi,

i'm writing an extension that creates a module in tools. In this module 
i want to let users create and edit records from a table of this extension.

For now this works fine with:
$returnUrl  = 
t3lib_extMgm::extRelPath('formhandlergui').'Classes/Controller/Module/index.php';
$returnUrl  = urlencode($returnUrl);
$createlink = 
$GLOBALS['BACK_PATH'].'alt_doc.php?returnUrl='.$returnUrl.'&edit[tx_formhandlergui_forms]['.$pid.']=new';

$buttons['save'] .= '<a 
href="'.$createlink.'"><img'.t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'], 
'gfx/new_el.gif', '').' alt="Create" /></a>';

As far as i know alt_doc.php needs the pid-parameter for new records. 
But i'm not sure if i really want/need to relate a record in my table to 
a page because it has no influence on how my extension works.

Does anyone know if i can tell alt_doc.php to use another table than 
pages as relational table or does this somehow conflict with TYPO3? If 
not is there another possibility to simply load a TCEForm for a table in 
TCA?

Btw: In my module class in the function getButtons() i tried to add the 
button above with $buttons['new'] but so it doesnt show - is there 
something else i have to do to add a button via this array?

Thanks a lot and cheers,

Christian