[TYPO3-english] Going around on one image

[Nicole]

Okay, I have found a mistake: old js-files of an other 
lightbox-extention has been included.

Now the lightbox works but by text-with-picture-elements with 1 picture 
it gets funny. I have 1 picture in that element. Activating the lightbox 
works, but there are the arrows shown to get to the next/previous 
lightbox-image. There are no other images in the ligthbox. By clicking 
an arrow the lightbox loads and shows the picture again.

How can I turn off the arrows when there is just one picture in the 
lightbox?

Thank you!
Nicole