Example 6
6a. http://www.wiscocomputing.com/articles/protect_web_sites.htm.
6b. http://webdesign.about.com/od/advancedcss/qt/block_print.htm.
6c. http://css-tricks.com/almanac/properties/u/user-select/.
6d. http://www.stramaxon.com/2012/07/disable-right-click-without-using.html.