$(document).ready(function() {
	  if($.browser.msie && $.browser.version < 7){
		 $("#contenu > div.new").append("<img src='/upload/images/new.gif' alt='' class='new-img' />");
	  }else{
		 $("#contenu > div.new").append("<img src='/upload/images/new.png' alt='' class='new-img' />");
	  }
});