how come there is a scroll-bar?

dear sir,

I am trying to use your dhtml tabber

here is the code

How come there is a scroll bar appears on the top?

I am not familar with this system so I don’t really know where to remove it.

Thank you very much

There is any unwanted scrollbars uppears , while checking the same code ( sample attached )
If you mean “tab level” scrollers - they appear automatically , when size of tabs greater than size of visible space and can be disabled by  

    tabbar.enableScroll(false); (65.3 KB)