iam stuck with my modification

[MrNase]

I think i got it...

// ############################### start do set on frontpage ###############################


 if ($_POST['onfrontpage'] != $threadinfo['onfrontpage'])
 { 
	if($threadinfo['onfrontpage'] == '1') {
		$value = '0';
	}
	else {
		$value = '1';
	}
	
 	$DB_site->query("UPDATE " . TABLE_PREFIX . "thread SET onfrontpage = $value WHERE threadid = $threadid");
 
 	$_REQUEST['forceredirect'] = 1;
 	$url = "showthread.php?$session[sessionurl]t=$threadid";
 	eval(print_standard_redirect('redirect_openclose'));
 
 }