(prs 505) set next page on keybinding for any key it doesn't run on menus

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Your model / PRS+ version?
prs 505 / default repositoy

What steps will reproduce the problem?
1.Set next page on keybinding for any key (all moment or only on menus)
2.Press the key selected
3.It doesn't run

What is the expected output? What do you see instead?
When the key was pressed the action next page should pass to the next page (on 
menus), during reading works ok.

Original issue reported on code.google.com by [email protected] on 15 Oct 2012 at 3:04