http://stackoverflow.com/questions/37378820/refreshing-div-with-ajax-causes-checkbox-to-loose-value?noredirect=1#comment62269547_37378820
jQuery 1.5.2, HTML, CSS, JavaScript
jQuery 1.10.1, HTML, CSS, JavaScript
http://stackoverflow.com/questions/14970556/how-do-i-randomize-the-order-of-the-images/22187089#22187089