Hide external link from auto-nav3 users found helpful
If you ever need to hide an external link, from within your sitemap, click on the Page Search tab and find the name of your external link. Click on it and you'll have all the same options as a regular page.
Hope that helps
From the Sitemap, click Properties -> Custom Attributes Tab -> Scroll down and find the box for "Exclude from Nav [ ] Yes". Check it.
In fact I am only presented with 3 options, namely:
- Open Link in New Window
Are we missing something?