MariusButuc

function urlencode($url) {
    return encodeURIComponent($url);
}
function urldecode($url) {
    return decodeURIComponent($url.replace(/\+/g,  " "));
}
function createURL() {
    var q = ($F('q') != '') ? $F('q') : 'twitter';
    var since_id = $$('a.avatar')[0].readAttribute('href').split('/')[5];
    var url = 'http://search.twitter.com/search.atom?q=' + q + '&since_id=' + since_id;
    return url;
}
document.observe("dom:loaded", function() {
    /*
    var q = ($F('q') != '') ? $F('q') : 'twitter';
    var since_id = $$('a.avatar')[0].readAttribute('href').split('/')[5];
    var url = 'http://search.twitter.com/search.atom?q=' + q + '&since_id=' + since_id;
    */
    /*
    var encodedURL = $$('link[rel="refresh"]')[0].readAttribute('href');
    var url = urldecode(encodedURL);
    */
    var poller = new Ajax.PeriodicalUpdater('tweets', 'latestTweets.php', {
        method: 'get',
        insertion: 'top',
        frequency: 5,
        decay: 2,
        parameters: {
            url: createURL()
        }
    });
});