Some documents containing additional information have no navigation bar. Use the browser's -button to jump back to the previous accessed document. Directory browsing For some purposes it may be convinient to use the HTML-browser for browsing directories. Simply type the name of the directory in the 'open location' box. This lists all files contained in the current directory and also the names of subdirectories.
Some links lead to directory listings.
In these cases also the back- button leads to the previous document. Some quicklooks are animated. Mostly the animated GIF was used, which is directly displayed in advanced HTML-browsers. The GIF animations are repeated infinitely until the button of your browser is pressed. It may be necessary to the animations before printing the page.