protected Content getNavShowLists(DocPath link) {
        DocLink dl = new DocLink(link, path.getPath(), null);
        Content framesContent = getHyperLink(dl, framesLabel, "", "_top");
        Content li = HtmlTree.LI(framesContent);
        return li;
    }
protected Content getNavShowLists ( DocPath link ) { DocLink dl = new DocLink ( link , path . getPath ( ) , null ) ; Content framesContent = getHyperLink ( dl , framesLabel , "" , "_top" ) ; Content li = HtmlTree . LI ( framesContent ) ; return li ; }
Get "FRAMES" link, to switch to the frame version of the output.

@param link File to be linked, "index.html"
@return a content tree for the link