Sorry this is not really NOAH classifieds related, but on PinoyProf .com, which SEF component are they using?
When we use J!'s default SEF component, AkoComment is not outputting the correct URL (not appending the ItemID...). For example, on your site:
JOOMLA QUICK START GUIDE news item:
article link: http://www.joomlahacks.com/content/view/109/64/write comment link: http://www.joomlahacks.com/content/view/109/Same thing happens on my site.
article link: http://www.kaitech.hk/content/view/41/63/ (check out the nice .. laptops!!

)
write comment link: http://www.kaitech.hk/content/view/41/