(if window-system
    (progn
      (require 'tabbar)
      (require 'ide-skel)

      (global-set-key [f10] 'ide-skel-toggle-left-view-window)
      (global-set-key [f11] 'ide-skel-toggle-bottom-view-window)
      (global-set-key [f12] 'ide-skel-toggle-right-view-window)
      (global-set-key [C-prior] 'tabbar-backward)
      (global-set-key [C-next] 'tabbar-forward)))