Currently Being ModeratedFeb 6, 2013 9:33 AM (in response to Iainsmummy)
Toolbar > Shapes > Line (first) > Inspector > Graphic > Line > Dashed > 0.25pt
I suggest you make them short and just appearing near the edge of the paper where you want them.
Currently Being ModeratedFeb 7, 2013 5:45 AM (in response to PeterBreis0807)
Thank you Peter, sometimes the most obvious answer is the simplest one (and vice versa) - I just could not see the wood for the trees.