if ($level>$lastlevel) $toc.="<ul>";
$idnum[$level]++;
$id = implode("_", array_slice($idnum,1,$level));
if ($level>$lastlevel) $toc.="<ul>";
$idnum[$level]++;
$id = implode("_", array_slice($idnum,1,$level));
$toc .= "<li><a href='{$href}'>".strip_tags($line)."</a></li>";
$line = "<a name='{$id}'></a>".$line;
$lastlevel = $level;
$toc .= "<li><a href='{$href}'>".strip_tags($line)."</a></li>";
$line = "<a name='{$id}'></a>".$line;
$lastlevel = $level;