<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $('ul.image-list li:even').addClass('even'); $('ul.image-list li:odd').addClass('odd'); }); </script>
-- no conflict version<script type="text/javascript"> jQuery.noConflict(); jQuery(document).ready(function() { jQuery('ul.image-list li:even').addClass('even'); jQuery('ul.image-list li:odd').addClass('odd'); }); </script>