[Tommy Boy]

If I'm not mistaken, you forgot to add:

PHP Code:

$sendtoforumchecked = ($sendtoforum) ? "checked" : ""; 


Right after:

PHP Code:

    $parseurlchecked=iif($parseurl,"checked","");
    $emailchecked=iif($email,"checked","");
    $disablesmilieschecked=iif(!$allowsmilie,"checked","");
    $signaturechecked=iif($signature,"checked",""); 


In both newthread.php and newreply.php. Without those lines, the checkbox will be cleared when you preview the post.

BTW: Any idea why the following line does NOT work?

PHP Code:

$sendtoforumchecked=iif($sendtoforum,"checked","");