var dummy = 0;

function twitterSearch() {
        var exists_script = document.getElementById("tw_id");
        if(exists_script) {
            document.getElementsByTagName('head')[0].removeChild(exists_script);
        }
        var script = document.createElement("script");
        script.id = "tw_id";
        script.src = "http://search.twitter.com/search.json?q=%e3%82%ab%e3%83%a9%e3%82%aa%e3%82%b1&lang=ja&rpp=4&dum="+dummy+"&callback=twitterCallback";
        dummy = dummy + 1;
        script.type = "text/javascript";
        document.getElementsByTagName('head')[0].appendChild(script);
        setTimeout('twitterSearch()',6000);
}
function twitterCallback(e) {
    if( e && e.results ){
        var html;
        var txt;
        for (var i = 0, len = e.results.length; i < len; i++) {

            if (e.results[i].text.length > 38) {
                txt = e.results[i].text.substr(0,38) + '...';
            } else {
                txt = e.results[i].text;
            }
            html = "<img src=\"" + e.results[i].profile_image_url + "\" width=\"48\" /> "+ "<a href=\""+'http://twitter.com/' + e.results[i].from_user +'' + "\"> " + e.results[i].from_user + "</a>"+ " : " + txt;
             document.getElementById("twitter_li_" + i).innerHTML = html;
        }
e = null;
    }
}

twitterSearch();