How to display Next Item and Previous Items in OSCLASS Classified websites?

  If you are running a classified website using OSCLASS CMS with some of the default themes available, you might have noticed that there is not NEXT and PREVIOUS links when an item is viewed. So, the visitor will have to either go back to home or click on related listings, tags etc. if available to view other listings. The NEXT and PREVIOUS links are desired on the item page.