function replyTo(author) {
    var inReplyTo=author+', ';
      var myField;
        if (document.getElementById('comment') && document.getElementById('comment').type == 'textarea') {
        myField = document.getElementById('comment');
      } else {
        return false;
      }
      if (document.selection) {
        myField.focus();
        sel = document.selection.createRange();
        sel.text = inReplyTo;
        myField.focus();
      }
      else if (myField.selectionStart || myField.selectionStart == '0') {
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        var cursorPos = endPos;
        myField.value = myField.value.substring(0, startPos)
                + inReplyTo
                + myField.value.substring(endPos, myField.value.length);
        cursorPos += inReplyTo.length;
        myField.focus();
        myField.selectionStart = cursorPos;
        myField.selectionEnd = cursorPos;
      }
      else {
        myField.value += inReplyTo;
        myField.focus();
      }
    }