mobile.js

        /**
         * Pop the history stack and run the load function for the page
         * requested
         *
         */
        that.backward = function() {
            var new_page;
            console.log('BACKWARD');
            console.log(that.history);
            console.log(that.history.length);

            if (that.history.length > 0) {
                console.log(that.history);

                page = that.history.pop();
                $.mobile.pageLoading();

                $.mobile.changePage(page.id, 'slide', back=false, changeHash=false);

                new_page.load(page.data);

                $.mobile.pageLoading(true);

            } else {
                console.log('back too far, should hopefully be at home page');
                // the default page to load is the home page?
                new_page = $b.pages.home;
                that.manual(new_page, true);
            }

        };

        return that;
    };