if (scalar($page->param) > 1) {
    $Xtable = getXTableName($mtype, $dbh);
    $page->param('items.media_type', $mtype);

#This is it:
    writeElems('items', $page, $dbh);
    writeElems($Xtable, $page, $dbh) if $Xtable;

    $page->delete('items.media_type');
}