jQuery(function ($) {
    $('ul.gallery').galleria({
        history: false,
        clickNext: true,
        insert: '#main_image',
        onImage: function (image, caption, thumb) {

            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 >>');
        },
        onThumb: function (thumb) {
            // 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
			)
        }
    });
});