div#freeze{position:fixed; -moz-opacity:0.9; -khtml-opacity: 0.9; opacity: 0.9;}
div#comment_form{position:fixed; width:100%; height:100%;}
p.diaporama_mention_photo{ -khtml-opacity: 0.8; opacity: 0.8;}
.profile_unvalidated{ -khtml-opacity: 0.4; opacity: 0.4;}