var link = document.createElement('link');
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = base_url + 'static/js/lightbox/css/lightbox.css';
head.insertBefore(link, null);

var fileLoadingImage = base_url + "static/js/lightbox/images/loading.gif";
var fileBottomNavCloseImage = base_url + "static/js/lightbox/images/quitter.gif";
var fileBottomNavSuivantImage = base_url + "static/js/lightbox/images/suivant.gif";
var fileBottomNavPrecedantImage = base_url + "static/js/lightbox/images/precedant.gif";
var fileBottomNavPlayImage = base_url + "static/js/lightbox/images/jouer.gif";
var fileBottomNavStopImage = base_url + "static/js/lightbox/images/stop.gif";