public function _replyToGetCapabilityForForm($sCapability)
{
$_aParameters = func_get_args() + array('', '', '');
$_sPageSlug = $this->oUtil->getAOrB($_aParameters[1], $_aParameters[1], $this->oProp->getCurrentPageSlug());
$_sTabSlug = $this->oUtil->getAOrB($_aParameters[2], $_aParameters[2], $this->oProp->getCurrentTabSlug($_sPageSlug));
$_sTabCapability = $this->_getInPageTabCapability($_sTabSlug, $_sPageSlug);
$_sPageCapability = $this->_getPageCapability($_sPageSlug);
$_aCapabilities = array_filter(array($_sTabCapability, $_sPageCapability)) + array($this->oProp->sCapability);
return $_aCapabilities[0];
}