var pageLinks;
var thumbNails;
function setNearbyListingsLink(page, pageLinks) {
    pageLinks.each(function (s) { s.removeClassName('active'); });
    pageLinks[page].addClassName('active');
}

Event.observe(document, 'dom:loaded', function () {
    pageLinks = $$('div.paging  > a');
    thumbNails = $$('span.previous_next  > a');
});