jQuery(function($) {
                  
      $('.gallery_demo_unstyled').addClass('gallery_demo'); // adds new class name to maintain degradability

      $('ul.gallery_demo').galleria({
history   : true, // activates the history object for bookmarking, back-button etc.
clickNext : true, // helper for making the image clickable
insert    : '#main_image', // the containing selector for our main image
onImage   : function(image,caption,thumb) { // let's add some image effects for demonstration purposes

// fade in the image & caption
if(! ($.browser.mozilla && navigator.appVersion.indexOf("Win")!=-1) ) { // FF/Win fades large images terribly slow
image.css('display','none').fadeIn(1000);
}
caption.css('display','none').fadeIn(1000);

// fetch the thumbnail container
var _li = thumb.parents('li');

// fade out inactive thumbnail
_li.siblings().children('img.selected').fadeTo(500,0.3);

// fade in active thumbnail
thumb.fadeTo('fast',1).addClass('selected');

      // add a title for the clickable image
      image.attr('title','Next image >>','width', '640', 'height', '480');
      },
onThumb : function(thumb) { // thumbnail effects goes here

             // fetch the thumbnail container
             var _li = thumb.parents('li');

             // if thumbnail is active, fade all the way.
             var _fadeTo = _li.is('.active') ? '1' : '0.3';

             // fade in the thumbnail when finnished loading
             thumb.css({display:'none',opacity:_fadeTo}).fadeIn(1500);

             // hover effects
             thumb.hover(
                   function() { thumb.fadeTo('fast',1); },
                   function() { _li.not('.active').children('img').fadeTo('fast',0.3); } // don't fade out if the parent is active
                   )
          }
});
});