(chain ($ document)
        (ready
          (lambda ()
            (chain ($ ".link-header")
                   (click
                     (lambda ()
                       (chain ($ this)
                              (siblings ".link-content")
                              (each (lambda ()
                                      (if (= (chain ($ this) (css "max-height")) "0px")
                                        (chain ($ this)
                                               (css "max-height" (@ this scroll-height)))
                                        (chain ($ this)
                                               (css "max-height" "0px"))))))
                       (chain ($ this)
                              (parent)
                              (toggle-class "closed"))))))))