LoopTag iteratorTag = (LoopTag)findAncestorWithClass(
this, LoopTag.class);
if (iteratorTag == null) {
throw new JspTagException("<even> must be nested within a LoopTag");
}
int count = iteratorTag.getLoopStatus().getCount();
return (count % 2 == 0) ? EVAL_BODY_INCLUDE : SKIP_BODY;