function alternateInlineCommentColors() {
  var obj = document.getElementById("blog-commentinline");
  if (!obj) return;
  var str = obj.innerHTML;
  var sAgent = navigator.userAgent.toLowerCase();
  var searchStr = '<div class="comment">';
  if (sAgent.indexOf("msie") != -1) searchStr = '<DIV class=comment>';
  if (sAgent.indexOf("opera") != -1) searchStr = '<DIV class="comment">';
  var i = 0;
  var x = '';
  while (str.indexOf(searchStr) != -1) {
    x = (i % 2 == 0) ? 'pari' : 'dispari';
    str = str.replace(searchStr, '<div class="comment '+x+'">');
    i++;
  }
  return str;
}