jQuery(function($) { 

        $('.gallery_demo_unstyled').addClass('gallery_demo'); // adds new class name to maintain degradability
        
        $('ul.gallery_demo').galleria({
                history   : false, // deactivates the history object for bookmarking, back-button etc.
                clickNext : false, // helper for making the image clickable. Let's not have that in this example.
                insert    : undefined // the containing selector for our main image. 
            }); 

});