jQuery(function($){
var options = {
username: "roamware",
page: 1,
avatar_size: 32,
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"); });
});