// ==UserScript==
// @name           wykop comment mark
// @namespace      wnc
// @include        http://www.wykop.pl/link/*
// ==/UserScript==

function wnc_get_max_id()
{
  var max = 0;
  var wnc_liarr=document.getElementsByTagName("li");
  for (wnc_li in wnc_liarr) 
  {
  	if (wnc_liarr[wnc_li].id && wnc_liarr[wnc_li].id.indexOf('comment-') == 0)
  	{
			wnc_id = /comment-(\d+)/.exec(wnc_liarr[wnc_li].id);
			if (max < wnc_id[1]) max = wnc_id[1];
		}
  }
  return max;
}
if (wnc_max = wnc_get_max_id())
{
	document.getElementById('comment-'+wnc_max).style.backgroundColor="#AABBBB";
}