[Semediawiki-user] results with alternating row colour

[Philip T. <ph...@tr...>]

hi,

i am trying to get semantic mediawiki's result format template to 
generate alternating row colors (white and grey) with CSS.
http://www.episodewiki.com/House -> section "recent episodes"
edit link: 
http://www.episodewiki.com/index.php?title=House&action=edit&section=5

currently i am using the result format "template", and use metadata of 
the queried pages to generate different li classes.

template url: 
http://www.episodewiki.com/index.php?title=Template:Recent_episodes&action=edit
template code:
"
*<li class="ep{{{7}}}">*<div class="b1">{{{2}}}</div><div 
class="b2">{{{3}}}</div><div class="b3">[[{{{4}}}]]</div>
<div class="b4">{{#if: {{{5}}} | <div 
class="trailer">[[{{{4}}}|Trailer]]</div> |  }}</div>
<div class="b5">{{{6}}}</div></li>
"
but that's such a dirty solution and is not applicable to other sections 
like "House News" , and i was hoping you guys can help me out.

the question is: how do i get semantic mediawiki to output alternating 
li classes?
result 1: <li class="even">...
result 2: <li class="odd">...
result 3: <li class="even">...
...

i think the solution might be something along the lines of using 
parserfunctions in the template, but i don't know how.
is it possible to initialize a counter while looping through the results?
f.i.
if result = 1 then even
if result = 2 then odd
if result= 3 then even...


Thanks,
Philip T.

PS.: i don't want to use CCS pseudo-selectors because of compatibility 
issues.