HabrJS

javascript:var c=$$('li.comment_holder'),ms=[];c.each(function(i){i.d=i.getChildren('.entry-content')[0].getChildren('.entry-content-only')[0];i.m=parseInt(i.getChildren('.msg-meta')[0].getElements('li.mark span')[0].innerHTML.replace('–','-'));ms.push(i.m);});ms=ms.sort(function(a,b){return a-b});var l=parseInt(ms.length*0.05);var max=ms[ms.length-l];c.each(function(i){if(i.m<max)i.d.addClass('bad5');});