gistfile1.js

    var Tweet = Class.create({
      initialize: function(data) {
        this.date = data.created_at;
        this.fromUser = data.from_user;
        this.text = data.text;
        this.imageSource = data.profile_image_url;
        this.id = data.id;
      },
 
      toElement: function() {
        return new Element("div", { className: "tweet" }).insert(
          new Element("img", { src: this.imageSource })
        ).insert(
          new Element("p").insert(
            new Element("a", { href: "http://twitter.com/" + this.fromUser }).update(this.fromUser)
          ).insert(" " + this.text + ", ").insert(
            new Element("a", { href: "http://twitter.com/" + this.fromUser + "/statuses/" + this.id }).update("#")
          )
        );
      }
    });