jQuery(function($){
        var options = {
          username: "dpi3d",
          page: 1,
          count: 1,
          loading_text: "loading ..."
        };

        var widget = $("#paging .widget"),
          next = $("#paging .next"),
          prev = $("#paging .prev");

        var enable = function(el, yes) {
          yes ? $(el).removeAttr('disabled') :
                $(el).attr('disabled', true);
        };

        var stepClick = function(incr) {
          return function() {
            options.page = options.page + incr;
            enable(this, false);
            widget.tweet(options);
          };
        };

        next.bind("checkstate", function() {
          enable(this, widget.find("li").length == options.count)
        }).click(stepClick(1));

        prev.bind("checkstate", function() {
          enable(this, options.page > 1)
        }).click(stepClick(-1));

        widget.tweet(options).bind("loaded", function() { next.add(prev).trigger("checkstate"); });
      });