updated initial posting:
1. New spoiler graphic.
2. Updated spoiler code, now uses the style for forum buttons.
3. Added regex entries for scripts/activetopics.inc.php to filter out all spoiler entries from the activetopics.
Also, if you want to display [spoiler] instead of no spoiler text, in the new entries in the activetopics.inc.php simply put in:
$post_body = preg_replace('/\[spoiler\](.*?)\[\/spoiler\]/si', '[spoiler]', $post_body);
$post_body = preg_replace('/<div class="ubbcode-block"><div class="ubbcode-header">(.*?)<\/div><div class="ubbcode-body"><div style="display: none;">(.*?)<\/div><\/div><\/div>/si', '[spoiler]', $post_body);
instead of
$post_body = preg_replace('/\[spoiler\](.*?)\[\/spoiler\]/si', '', $post_body);
$post_body = preg_replace('/<div class="ubbcode-block"><div class="ubbcode-header">(.*?)<\/div><div class="ubbcode-body"><div style="display: none;">(.*?)<\/div><\/div><\/div>/si', '', $post_body);