Editing Navigation Bar

I am trying to update the navigation block on this site: http://www.citiblocs.com/ . cant seem to find how to get into EDIT this.

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mikefatty replied on at Permalink Reply
Not sure what u mean, but have u tried to go to Dashboard/sitemap?

guythomas replied on at Permalink Reply
If the navigation bar is not directly editable in the c5 interface, it has probably been hard coded into the theme.
Try looking in the themes/theme_name/elements/header.php file. That would be the most appropriate place to put it.

MarjorieBernstein replied on at Permalink Reply
I modified the titles in the sitemap: http://www.citiblocs.com/index.php/dashboard/sitemap... . How do I regenerate or rebuild the site?