tinynavNaN Issue with lightbox

Hi tinynavNaN pops up when clicking on image and out again, using lightbox. Here's is a image of the issues: https://docs.google.com/file/d/0B3yAeIFCvYbyVENJcFI5d2N4R1U/edit?usp=sharing Here's is the link to the pages shown on the image: http://piet-momberg.dk/artikler/digital-infoboard/ Regards, Piet Momberg