var twitter_id = 'roku_family'; 
var twitter_count = 5; //表示数
var twitter_elem_id = 'twitter_data';

window.onload = function() {
var url = 'http://twitter.com/statuses/user_timeline/'
+ twitter_id
+ '.json?callback=twitterCallback&count='
+ twitter_count;
var script = document.createElement('script');
script.setAttribute('src', url);
document.body.appendChild(script);
}
function twitterCallback(obj){
var html = "";
for(var i=0 ; i<twitter_count && i<obj.length ; i++){
html += "<span><a href='http://twitter.com/" + twitter_id + "/status/"
+ obj[i].id + "'>" + obj[i].text + "</a></span>";
}
document.getElementById(twitter_elem_id).innerHTML = html;
}