Galleria.loadTheme('src/themes/classic/galleria.classic.js');
$('#galleria').galleria({
    image_crop: true,
    transition: 'fade',
    thumbnails: true,
    data_config: function(img) {
        return {
        	title: $(img).next('.titel').html(),
			description: $(img).next('.titel').next().html()
		};
	} 
});