plz i want to make tabs like this website

http://traveline.idea-sys.net/CSP/Default.aspx?A=2&P=50 --> (M/S Darakum - Description / GalleryDeck / Plan)

when i saved the page it shows the tabs working but not correctly .. so can anyone help me i making the tabs working without the need to reload the page (using AJAX)

Pease if anyone have an idea .. plz answer me