Accessing scrumy.com REST API with jquery

scrumy-rest-api-sample.js

var scrumyname = $.trim($('#scrumyname')[0].value);
var usrpwd64 = base64.encode(scrumyname + ':' + $('#scrumypwd')[0].value);
var currenturl = 'http://scrumy.com/api/scrumies/' + scrumyname + '/sprints/current.json';
alert('accessing ' + currenturl);
$.ajax({
    url: currenturl,
    beforeSend: function(req) {
        req.setRequestHeader("Origin", document.location.protocol + "//" + document.location.host);
        req.setRequestHeader("Authorization", "Basic " + usrpwd64);
    },
    success: function(data, textStatus, req) {
        if (!data.sprint) {
            alert('error loading current sprint');
        } else {
            var sprint = data.sprint;
            var list = '<ul>';
            if (!sprint.stories || sprint.stories.length == 0) {
                list += '<li><i>no stories</i></li>';
            } else {
                for (var i = 0; i < sprint.stories.length; i++) {
                    var story = sprint.stories[i].story;
                    list += '<li>' + story.title + '</li>';
                }
            }
            list += '</ul>';
            $('#sprintstoriestitle').show();
            $('#sprintstories').html(list);
        }
    },
    error: function(req, textStatus, error) {
        alert('error: ' + textStatus + ' ' + error);
    }
});